List of publication of

 

Prof. Dr. M. H. Elnagdi (M. Sc.; D.Sc.)

 

1963

 

1. A. Mustafa, W. Asker, A. H. Harhash, N. A. L. Kassab and M. H. Elnagdi, (1963) «Reaction with 4-substituted isoxazolin-5-one II». Tetrahedron, 20, 1133-1140.

 

1965

 

2. A. Mustafa, W. Asker, A. H. Harhash, N. A. Messiha and M. H. Elnagdi, (1965) «Reaction with 1,2,3-trione-2-arylhydrazones». Tetrahedron, 21, 217-255.

 

1971

 

3. A. Mustafa, W. Asker, A. H. Harhash, M. H. Elnagdi and F. A. El-All, (1971) «Reactionen mit D2-thiazolinone (5), I: Verhalten von 2-alkoxy und 2-alkylmercapto derivaten gegenuber aminen und Grignard reagenzen». Liebigs Ann. Chem., 748, 70-78.

 

4. A. Mustafa, A. H. Harhash, M. H. Elnagdi and F. A. El-All, (1971) «Reactionen mit D2-thiazolinone (5), II: Umlagerung von 4-arylazo-2-benzylmercapto-D2-thiazolinonen (5) in 1,2,4-triazole derivaten». Liebigs Ann. Chem., 748, 79-87.

5. W. Asker, M. H. Elnagdi and H. M. Fahmy, (1971) «The behaviour of some 4-hydroxy-1-thiocumarins towards amines and phenylhydrazine». J. Prakt. Chem, 313, 715-721.

6. A. H. Harhash, M. H. Elnagdi and E. A. Hafez, (1971) «Reaction with 2-thiazolin-5-ones III. The behaviour of 4-arylazo-2-alkyloxy-2-thiazolin-5-ones towards amines and Grignard reagents». J. Prakt. Chem, 313, 706-714.

 

1972

 

 H. Elnagdi and H. M. Fahmy, (1972) «Reactivity of 4-arylazo-1,2-diphenyl-pyrazolidin-3,5-diones towards some nucleophilic reagents». Indian J. Chem, 10, 461-463.

 

8. A. H. Harhash, M. H. Elnagdi and E. A. Hafez, (1972) «Behaviour of some 4-substituted 3-pyrazolin-5-ones toward Grignard reagents and hydrazines». Indian J. Chem, 10, 45-47.

 

9. A. H. Harhash, M. H. Elnagdi and N. S. T. Hussein, (1972) «The behaviour of 4-acyl-2-isoxazolin-5-ones towards organomagnesium compounds, aromatic alhdehydes and amines». Egypt.J. Chem., 15, 201-212.

10. A. H. Harhash, M. E. E. Sobhy, M. H. Elnagdi and K. M. Foad, (1972) «Cyanoethylation of some 4-thiazolidinones». Egypt.J. Chem., 15, 11-21.

 

11. M. H. Elnagdi, N. A. L. Kassab, M. E. E. Sobhy and M. U. Wahby (1972) «Reactions with the arylhydrazones of some cyanoketones with Grignard reagents». J. Prakt. Chem, 314, 815-827.

 

12. N. A. L. Kassab, M. H. Elnagdi, N. A. Messiha and H. A. K. Ead, (1972) «Reactions with 5-substituted Thiazolidinthiones». J. Prakt. Chem, 314, 799-805.

 

1973

 

13. M. H. Elnagdi and S. O. Abdoula, (1973) «Reactions with arylhydrazones of some a-cycloketones». J. Prakt. Chem, 315, 1009-1016.

 

14. M. H. Elnagdi and M. Ohta, (1973) «Behaviour of 2-pyrazolin-5-ones toward activated double bond systems: Cyanoethylation of 2-pyrazolin-5-ones». Bull. Chem. Soc. Japan, 46, 3818-3821.

 

15. M. H. Elnagdi and M. Ohta, (1973) «Studies on 3,5-pyrazolidinedione IV: Addition of 4-arylazo-3,5-pyrazolidinones to ethyl acrylate». Bull. Chem. Soc. Japan, 46, 1830-1833.

 

16. A. H. Harhash, A. K. Mansour, M. H. Elnagdi and M. R. H. Elmoghayer, (1973) «Reactions with the arylhydrazones of some a,b-diketoesters». J. Prakt. Chem, 315, 235-243.

 

17. A. H. Harhash, M. H. Elnagdi and A. S. El-Snnib, (1973) «Reactions with 2-thiazolin-5-ones IV: Action of amines on 4-substituted 2-alkoxy and 2-benzylmercapto-2-thiazolin-5-ones». J. Prakt. Chem, 315, 211-220.

 

18. A. H. Harhash, M. H. Elnagdi and S. O. Abdoula, (1973) «Reactions with b-aryl-a-mercaptoacrylic acids, Part I: Synthesis of some heterocyclic sulphur compounds». Indian J. Chem, 11, 128-130.

 

19. M. H. Elnagdi, A. S. Shawali and M. R. El-Okbi, (1973) «Reactions with 3,5-pyrazolidindione, Part II: Behaviour of 4-arylazo-1-phenylpyraazolidin-3,5-dione toward Grignard reagents, amines and diazomethane». Indian J. Chem, 11, 219-221.

 

20. A. H. Harhash, M. H. Elnagdi, N. T. Hussein and H. M. Fahmy, (1973) «Reaction Grignard reagents with benzoyl and ethoxycarbonyl-3-phenyl-2-isoxazolin-5-ones». Indian J. Chem, 11, 1-3.

 

21. N. A. L. Kassab, M. H. Elnagdi, and M. A. R. Rad, (1973) «Reactions with 5-substituted 4-arylimino-2-thiazolidinones». J. Prakt. Chem, 315, 265-273.

 


 

1974

 

22. M. H. Elnagdi, (1974) «Reactions with b-cycanoethylhydrazine 1: A route for the preparation of pyrazolo[1,5-c]pyrimidines and pyrrolo[1,2-b]pyrazoles».
 Tetrahedron, 30, 2791-2796.

 

23. M. H. Elnagdi, N. A. L. Kassab, H. M. Fahmy and F. A. El-All, (1974) «Reactions with 3,5-pyrazolidine diones III: Cyanoethylation of some 4-arylazo derivatives of 3,5-pyrazolidine diones and 3-amino-2-pyrazolin-5-ones». J. Prakt. Chem, 316, 177-184.

 

24. M. H. Elnagdi, M. R. H. Elmoghayer and D. H. Fleita, (1974) «Reactions with 2-arylhydrazono-3-oxo-3-phenylproionitriles». J. Prakt. Chem, 316, 975-980.

 

25. M. A. E Khalifa and M. H. Elnagdi, (1974) «Synthesis of some new 2-hydroxt-4,6-dimethyl-3-propionylpyridines». Indian J. Chem, 12, 46-47.

 

1975

 

26. M. H. Elnagdi, D. H. Fleita, and M. R. H. Elmoghayer (1975) «Reactions with b-cyanoethylhydrazine II: Synthesis of some 4,5,6,7-tetrahydropyrazolo[1,5-c] pyrimi-dine derivatives». Tetrahedron, 31, 63-67.

 

27. M. H. Elnagdi, H. M. Fahmy, M. R. H. Elmoghayer and M. A. M. Ilias (1975) «Pyrimidine derivatives and related compounds I: Synthesis of some 2,3-disubstituted 4,5,6,7-tetrahydropyrazolo[1,5-c]pyrimidine derivatives».

Z. Natur-forsch, 30b, 77-78.

 

28. M. H. Elnagdi, M. M. M. Sallam, and M. A. M. Ilias (1975) «Pyrimidine derivatives and related compounds II: Synthesis of some derivatives of pyrimido [1,2:2`,3`]pyrazolo[1,5-c] pyrimidines. A new ring systems». Helv. Chem. Acta., 58, 1944-1949.

 

29. M. H. Elnagdi, M. R. H. Elmoghayer, E. A. Hafez and H. H. Almina, (1975) «Reaction of 2-arylhydrazono-3-oxonitriles with hydroxylamine. Synthesis of 3-amino-4-arylazoisoxazoles». J. Org. Chem., 40, 2604-2607.

 

30. A. H. Harhash, M. H. Elnagdi, M. E. E. Sobhy and K. M. F. Foda, (1975) «Synthesis of some new condensed imidazo[2,1-b]thiazoles and thiazolo[3,2-a] pyrimidine». Indian J. Chem, 13, 238-240.

 

31. H. M. Sammour, M. M. Fahmy and M. H. Elnagdi, (1975) «Further investigation on the structure of the arylhydrazones of a-cycanoketones: Electroreduction of 3-phenyl-2,3-diketopropionitrile-2-phenylhydrazone». J. Prakt. Chem, 317, 257-264.

 

32. M. M. M. Sallam, M. H. Elnagdi, and M. H. Abdel Hady (1975) «Reactions with benzo[b]thiophene-2,3-diones I: Synthesis of 2,3-dihydroxy 2,3-diaryl alkyl benzo [b]thiophene derivatives ». Helv. Chem. Acta., 58, 1940-1944.

33. A. H. Harhash, M. H. Elnagdi, N. A. L. Kassab and A. M. Negem, (1975) «Reaction with 4-substituted-2-isoxazolin-5-ones ». J. Chem. and  Engineering data, 20, 120-122.

 

34. A. H. Harhash, M. H. Elnagdi, and A. A A. Elbanani, (1975) «Cleavage of azoles I: Synthesis of some triazolyloxazolines and triazolylbenzoxazones ». Tetrahedron, 37, 25-29.

 

1976

 

35. M. H. Elnagdi, H. M. Fahmy, E. M. Zayed and M. A. M. Ilias, (1976) «Pyrimidine derivatives and related compounds III: Synthesis of some pyrazolo[1,5-a]pyrimidine and pyrazolo[3,4-d]pyrimidine derivatives ». Z. Naturforsch., 31b, 795-800.

 

36. M. H. Elnagdi, M. R. H. Elmoghayer, D. H. Fleita, E. A. Hafez, and H. M. Fahmy, (1976) «Pyrimidine derivatives and related compounds IV: A route for the synthesis of pyrazolo[3,4-e]triazine, pyrazolo[3,4-d]pyrimidine and pyrazolo[1,5-c] triazines». J. Org. Chem., 41, 3781-3784.

 

37. M. H. Elnagdi, M. R. H. Elmoghayer, and D. H. Fleita, (1976) «Reactivity of a-cyanochelkones as Michael acceptors» Indian J. Chem, 14, 422-424.

 

38. A. H. Harhash, M. H. Elnagdi, and A. A. Elbanani, (1976) «Synthesis and reaction of 4-arylidene-2,3-phenylethyl-2-oxazolin-5-ones» Indian J. Chem, 14, 567-570.

 

39. A. H. Harhash, M. H. Elnagdi, and F. A. El-All, (1976) «Convertion of 4-arylazo-2-alkoxy-2-thiazolin-5-ones into triazolyloxazolines and triazolylbenzoylazones» Indian J. Chem, 14b, 744-746.

 

40. M. Z. Elbsabee, M. H. Elnagdi, and G. M. Hajbeshy, (1976) «The polarographic behaviour of some arylhydrazonoazoles». J. Prakt. Chem, 318, 658-662.

 

41. M. H. Elnagdi, M. M. M. Sallam, H. M. Fahmy, S. A. M. Ibraheim and M. A. M. Ilias, (1976) «Reactions with the arylhydrazones of a-cyanoketones: The structure of 2-arylhydrazone-3-ketimino nitriles ». Helv. Chem. Acta., 59, 550-557.

 

42. M. H. Elnagdi, H. M. Fahmy, and M. A. Morsi, (1976) «Polarographic activity of the arylhydrazones of a-cyanoketones as a criterion of their acidity». J. Electroanal. Chem., 68, 237-242.

 

43. M. S. El-Basiouny, M. H. Elnagdi, and A. R. Ismail, (1976) «Thermometric method for the estimation of the rate of dissolution of steel in nitric acid: A limitation». Corrosion Journal, 11, 210-211.

 

1977

 

44. M. H. Elnagdi, E. M. Kandeel and K. U. Sadek, (1977) «Pyrimidine derivatives and related compounds V: Synthesis of some isoxazolo[2,3-a]pyrimidines, A new ring system». Z. Naturforsch., 32b, 314-317.

 

45. M. H. Elnagdi, E. M. Kandeel, E. M. Zayed and Z. E. Kandeel, (1977) «Pyrimidine derivatives and related compounds VI: A novel synthesis of 3,5-diaceta-midopyrazole and 2-aminopyrazolo[1,5-c]pyrimidine» J. Heterocyclic. Chem., 14, 155-157.

 

46. M. H. Elnagdi, E. M. Zayed, E. M. Kandeel and H. M. Fahmy, (1977) «Pyrimidine derivatives and related compounds VII: Synthesis of some new pyrazolo[1,5-a]triazines, pyrazolo[3,4-c]triazines, pyrazolo[1,5-c]pyrimidines and pyrazolo[3,4-b] pyranes». Z. Naturforsch., 32b, 430-433.

 

47. M. H. Elnagdi, H. M. Fahmy, M. R. H. Elmoghayer and A. M. Negm, (1977) «Pyrimidine derivatives and related compounds IX: Preparation of 5-aminopyrazolo [1,5-c]pyrimidines, and of oxazolo[4,5:5,6]pyrazolo[1,5-a]pyrimidines, a new ring system». Z. Naturforsch., 32b, 1478-1481.

 

48. M. H. Elnagdi, E. M. Kandeel and M. R. H. Elmoghayer, (1977) «Studies on 3,5-diaminopyrazolones: Chemical behaviour of 4-phenylazo-3,5-diaminopyrazoles». Z. Naturforsch., 32b, 307-310.

 

49. M. H. Elnagdi, M. R. H. Elmoghayer, E. M. Kandeel and M. K. A. Ibrahim (1977) «Reactrions with heterocyclic diazonium salts: Synthesis of some new pyrazolo[1,5-c]triazines, and 1,2,4-triazolo[1,5-c]triazines».J. Heterocyclic. Chem., 14, 221-230.

 

50. M. R. H. Elmoghayer, M. H. Elnagdi, M. K. A. Ibrahim and M. M. M. Sallam, (1977) «Reactrions with carbo(heterohydrazonyl)halides I: Chemistry of carbo-(3-phenylpyrazol-5-dihydrazonoyl)halides».

 

51. M. H. Elnagdi, E. M.Zayed, H. M. Fahmy, M. A. E. Khalifa and S. Amer (1977) « The reaction of ethyl phenylthiocarbamoyl acetates with hydrazines» Gazz. Chem.Ital., 107, 555-557.

 

52. M. T. Elzimity, E. M. Kandeel, S. El-Morsy and M. H. Elnagdi, (1977) «Synthesis of 6-and 1-nitro-1,2-dioxo-4-thioindeno[2,3-d]pyrimidines». Z. Naturforsch., 32b, 698-700.

 

53. M. A. Morsi, M. A. El-Sabee and M. H. Elnagdi, (1977) «Structure and polarographic behaviour of 3,5-diamino-4-arylazopyrazoles». Mansoura Univ. Bull., 5, 198-208.

 

54. M. H. Elnagdi and H. M. Fahmy, (1977) « Effect of substituents on the polarographic behaviour of a-arylhydrazononitriles: Further evidence for the mechanism of polarographic reduction of a-arylhydrazononitriles».

55. H. M. Fahmy, M. A. Morsi and M. H. Elnagdi, (1977) « Effect of substituents on the acidity of a-arylhydrazononitriles: Further evidence for the structure of a-arylhydrazononitriles in alkaline media». Gazz. Chem.Ital., 107, 565-566.

 

1978

 

56. M. H. Elnagdi, E. M. Kandeel, E. M. Zayed and Z. E. Kandeel, (1978) «Pyrimidine derivatives and related compounds VIII: Routes for the synthesis of 3,5-diaminopyrazoles, 2-amino pyrazolo[1,5-a] pyrimidines, and 5-amino pyrazolo [1,5-a] pyrimidines». J. Prakt. Chem, 320, 533-538.

 

57. H. M. Fahmy, E. M. Kandeel, E. R. Elsayed and M. H. Elnagdi, (1978) «Reactrions with heterocyclic amidines I: Cyanoethylation reaction of cyclic amidine,» J. Heterocyclic. Chem., 15, 1393-1393.

 

58. M. H. Elnagdi, M. R. H. Elmoghayer, H. M. Fahmy, M. K. A. Ibrahim and H. H. Alnima (1978) «Reactrions with heterocyclic diazonium salts: Synthesis of some new pyrazolo[1,5-c]triazines, and 1,2,4-triazolo[1,5-c]triazines» Z. Naturforsch., 33b, 216-219.

 

59. H. M. Fahmy and M. H. Elnagdi, (1978) «Polarographic behaviour of some a-phenylhydrazone b-ketonitriles». Electrochem. Acta., 32, 255-260.

 

 

 

 

1979

 

60. M. H. Elnagdi, H. M. Fahmy, M. R. H. Elmoghayer and E. M. Kandeel, (1979) «Reactrions with heterocyclic amidines II: the behaviour of cyclic amidine towards ethoxycarbonyl and aroyl isothiocyanates». J. Heterocyclic. Chem., 16, 61-63.

 

61. M. H. Elnagdi, E. M. Kandeel and K. U. Sadek, (1979) «Reactrions with cyclic amidines III: Synthesis of some new fused pyrazole derivatives». Z. Naturforsch., 34b, 275-279.

 

62. M. H. Elnagdi, M. R. H. Elmoghayer, A. E. F. G. Hammam and S. A. Khallaf, (1979) «The reaction of malononitrile with thioglycallic acid: A novel procedure for the synthesis of thiazolone derivatives». J. Heterocyclic Chem., 15, 1541-1543.

 

63. G. Cauquis, H. M. Fahmy, G. Pierre and M. H. Elnagdi, (1979) «Electrochemical behaviour of heterocyclic amidinesI: Anodic oxidation of 2-amino 5-ethoxycarbonyl-4-methyltriazole». J. Heterocyclic Chem., 16, 413-414.

 

64. G. Cauquis, H. M. Fahmy, G. Pierre and M. H. Elnagdi, (1979) «Electrochemical oxidation of substituted thiazoles, 2-amino 4-ethoxycarbonyl-5-methyltriazole and N-ethoxycarbonyl-N`-(4- ethoxycarbonyl-5-methyltriazole-2-yl)thiourea». Electro-chem. Acta., 24, 391-394.

65. M. H. Elnagdi, H. M. Fahmy, E. A. Hafez, M. R. H. Elmoghayer and S. A. R. Amer, (1979) «Pyrimidine derivatives and related compounds: A novel synthesis of pyrimidines, pyrazolo[4,3-d] pyrimidines, and isoxazolo[4,3-d] pyrimidines». J. Heterocyclic. Chem., 16, 1109.

 

66. M. H. Elnagdi, (1979) «Iron (III)-cyanobenzylacetanilide complex and its utility for spectrophotometric determination of iron (III)». Annali. di Chimical, 69, 217.

 

1980

 

67. E. A. Hafez, M. A. E. Khalifa, S. K. A. Guda and M. H. Elnagdi, (1980) «Reactrions with the arylhydrazonomesoxalonitrile: The synthesis of azoles and azolines». Z. Naturforsch., 35b, 485-489.

 

68. M. H. Elnagdi, E. A. Hafez and H. A. El-Faham, (1970) «Reactrions with heterocyclic amidines VIII: Synthesis of some new imidazo[1,2-b]pyrazole derivatives». J. Heterocyclic. Chem., 17, 73-76.

 

69. H. M. Fahmy, A. H. Badran and M. H. Elnagdi, (1980) «Synthesis of some azopyrazole dyes». J. Chem. Tech. Biotechnol., 30, 390-395.

 

70. H. M. Fahmy, L. I Ibrahim and M. H. Elnagdi, (1980) «The structure of 4-arylazo-3-amino-2-pyrazolin-5-ones». Indian J. Chem, 19b, 644-648.

 

71. E. M. Kandeel, K. U. Sadek and M. H. Elnagdi, (1980) «Reactrions with the arylhydrazones of some a-cyanoketones». Z. Naturforsch., 35b, 91-94.

 

72. M. H. Elnagdi, M. R. H. Elmoghayer, H. A. El-Faham, and M. M. Sallam, (1980) «Reactrions with heterocyclic amidines VI: Synthesis and chemistry of pyrazol-5-yland 1,2,4-triazol-5-yl hydrazonyl chlorides». J. Heterocyclic. Chem., 17, 209-212.

 

73. M. M. Shoukry, A. E. S. Mohgoub and M. H. Elnagdi, (1980) «a-Cyano-benzoylacetanilide as indicator for titration of iron (III) ions with EDTA». Anali. d.i Chimio., 315-327.

 

74. M. M. Shoukry, A. E. S. Mohgoub and M. H. Elnagdi, (1980) «Metal chelates of pyridin-2-ylthiourea». J. Inorganic and Nucl., 42, 1171-1176.

 

1981

 

75. M. H. Elnagdi, E. M. Zayed, M. A. E. Khalifa and S. A. Ghozlan, (1981) «Reactrions with heterocyclic amidines VII: Synthesis of some new pyrazolo[1,5-c] 1,2,4-triazines, pyrazolo[1,5-a]1,3,5-triazines and pyrazolo[1,5-c]pyrimidines». Monotaschefte fur Chemie., 112, 245-251.

 

76. M. H. Elnagdi and H. Womhoff,(1981) «A novel synthesis of azolopyrimidines». Chemistry Letters, 419-422.

77. M. H. Elnagdi and H. Womhoff,(1981) «Heterocyclic b-enaminoesters, 28: the reaction of heterocyclic b-enaminoesters and b-enaminonitriles with cyclic amidines: A simple route to azolopyrimodines». J. Heterocyclic. Chem., 18, 1287-1292.

 

78. M. H. Elnagdi, M. A. E. Khalifa, M. K. A. Ibraheim and M. R. H. Elmoghayer, (1981) «The reaction of nitriles with mercaptoacetic acid: A new synthesis of thiazole derivatives». J. Heterocyclic. Chem., 18, 877-879.

 

79. M. R. H. Elmoghayer, M. K. Ibraheim, A. Elghandour and M. H. Elnagdi, (1981) «A novel synthesis of thiazolo[2,3-c]pyridine derivatives». Synthesis, 635-638.

 

80. S. Abdou, H. M. Fahmy, K. U. Sadek and M. H. Elnagdi, (1981) «Activated nitriles in heterocyclic synthesis: A novel synthesis of pyrano[2,3-c]pyrazoles». Heterocycles, 16, 2177-2180.

 

81. M. S. El-Basiouny, M. H. Elnagdi, and A. R. Ismail, (1981) «Einflus von benzal sulfonsauere derivated auf die aufflusungs-gesschwindigreit von elsen in solpetesquer: Grenzen der anwendbarkeit thermometriocher verforen zum messen von korrosionsges-3-chwindigkeiten». Heterocycles, 35, 482-484.

 

82. H. M. Fahmy, M. H. Elnagdi, Z. E. Kandeel and G. Pierre, (1981) «Optimum condition for the electrochemical synthesis of aminomalononitrile». J. Chem. Tech. Biotechnol., 31, 688-692.

 

83. M. A. Morsi, H. M. Fahmy, M. H. Elnagdi, and M. A. Azzim (1981) «Effect of ring type on ionisation of the hydrazone linkage in aqueous media». Rev. Port. Quin., 23, 37.

 

1982

 

84. M. H. Elnagdi, E. M. Zayedand and S. Abdou, (1982) «Chemistry of heterocyclic diazo compounds». Heterocycles, 19, 559-587.

 

85. M. H. Elnagdi, A. H. Elfahham, M. R. H. Elmoghayer, K. U. Sadek and G. E. H. Elgemeie, (1982) «Reactions with heterocyclic diazonium salts: Novel synthesis of pyrazolo[4,3-c]pyridazines, and of pyrazolo[4,3-c]pyrazoles». J. Chem. Soc. Perkin 1, 989-991.

 

86. H. E. El-Kashef, K. U. Sadek, M. H. Elnagdi and H. H. Alnima (1982) «Reactrions with heterocyclic diazonium salts: Synthesis of several new fused azolotriazine derivatives». J. Chem & Engineering Data, 27, 103-104.

 

87. A. H. Elfahham, G. E. H. Elgemeie, K. U. Sadek and M. H. Elnagdi (1982) «The reaction of nitrile imine with amino- and oxo-substituted azoles». Chem Letters, 119-122.

88. A. H. Elfahham, G. E. H. Elgemeie, K. U. Sadek and M. H. Elnagdi (1982) «Novel synthesis of pyrazolo[5,1-c]-1,2,4-triazoles, imidazo[1,2-b]pyrazoles and 1,2,4-triazolo[4,3-c]benzimidazoles, reaction of nitrile imines with amino and oxo-substituted diazoles». .J. Chem. Soc. Perkin 1, 2663-2666.

 

89. M. H. Elnagdi, H. A. Elfahham, S. A. S. Ghozlan and G. E. H. Elgemeie, (1982) «Activated nitriles in heterocyclic synthesis: A new procedure for synthesis of pyrimidine derivatives».J. Chem. Soc. Perkin 1, 2667-2670.

 

90. M. R. H. Elmoghayer, M. A. Khalifa, M. K. Ibraheim and M. H. Elnagdi, (1982) «Reactions with heterocyclic b-enaminoesters: A novel synthesis of 2-amino-3-ethoxycarbonyl-(4H)-pyrans». Monotaschefte fur Chemie., 113, 53-57.

 

91. H. A. F. Daboun, S. E. Abdou, M. M. Hussien and M. H. Elnagdi, (1982) «Activated nitriles in heterocyclic synthesis: Novel synthesis of pyrrolo[1,2-c] imidazoles and pyrazino[2,3-d]imidazole derivatives». Synthesis, 502-504.

 

92. B. Y. Riad, A. H. El-fahham, and M. H. Elnagdi, (1982) «Activated nitriles in heterocyclic synthesis: A novel synthesis of pyrrolo[5,6:3,4]pyrano[5,4-b]isoxazoles». Heterocycles, 19, 2252-2255.

 

93. B. Y. Riad, F. A. Khalifa, F. M. A. Galil and M. H. Elnagdi, (1982) «A novel synthesis of 4-hydroxy- and 4-aminopyranopyrazoles». Heterocycles, 19, 1637-1640.

 

94. F. M. Abdel-Galil B. Y. Riad, S. M. Sherif and M. H. Elnagdi, (1982) «Activated nitriles in heterocyclic synthesis: A novel synthesis of 4-hydroxy-2-aminoquin-olines». Chem. Letters, 1123-1126.

 

95. H. M. Fahmy, N. M. Abed, R. M. Mohareb and M. H. Elnagdi, (1982) «Activated nitriles in heterocyclic synthesis: Novel synthesis of pyridazines, pyridines and isoxazoles». Synthesis, 490-493.

 

96. S. Abdou, H. M. Fahmy, M. M. Khater and M. H. Elnagdi, (1982) «Activated nitriles in heterocyclic synthesis: Synthesis of several new coumarin derivatives». Monotaschefte fur Chemie., 113, 985-991.

 

97. A. Nada, H. A. El-fahham, N. R. Mohamed and M. H. Elnagdi, (1982) «Activated nitriles in heterocyclic synthesis: A novel synthesis of 1,2,4-triazolo-3-yl nitriles». J. Heterocyclic. Chem., 19, 7457-7459.

 

98. H. M. Fahmy, M. K. Ibraheim, K. Abdulhamid and M. H. Elnagdi, (1982) «Reactions with heterocyclic amidines X: Synthesis of new azolylthiourea derivatives». Arch. Pharm. (Weinheim), 315, 791-797.

99. H. M. Fahmy, M. El-Hasami, S. El-Gamal and M. H. Elnagdi, (1982) «Synthesis and dyeing characteristics of some new arylazopyrazole derivatives». J. Chem. Tech. Biotechnol., 32, 1042-1048.

 

100. H. M. Fahmy, H. Daboun, M. M. Hussein and M. H. Elnagdi, (1982) «Polarographic reduction of some oxazolones at the dropping mercury electrode». J. Chem. Tech. Biotechnol., 32, 389-395.

 

101. M. A. Morsi, H. M. Fahmy, M. H. Elnagdi and M. A. Azzem (1982) «Effect of ring type on ionization of the hydrazone linkage in aqueous media». J. Electroanal. Chem., 133, 269-274.

 

102. M. M. Shoukry, A. Kh. Ghoneim, E. M. Shoukry and M. H. Elnagdi, (1982) «Metal chelates of an antipyrine derivative». Synthe React. Inorgan. Met. Org. Chem., 72, 875-825.

 

103. E. M. Zayed, M. A. El-Khalifa, S. A. Ghozlan and M. H. Elnagdi, (1982) «Chemical behaviour of 2-amino-4H-pyran». Rev. Port. Quin., 24, 133-135.

 

1983

 

104. M. H. Elnagdi, H. A. El-fahham and G. E. H. Elgemeie, (1983) «Utility of a,b-unsaturated nitriles in heterocyclic synthesis».Heterocycles, 20, 519-550.

 

105. H. A. El-fahham, F. M. Abdel-Galil, Y. R. Rizk Ibraheim and M. H. Elnagdi, (1983) «Activated nitriles in heterocyclic chemistry: A novel synthesis of pyrazolo[1,5-a]pyrimidines and pyrano[2,3-a]pyrazoles». J. Heterocyclic Chem., 20, 667-670.

 

106. K.U. Sadek, Aboul Fatouh E. Morad, A. E. Abdelhafeez and M. H. Elnagdi, (1983) «Activated nitriles in heterocyclic synthesis: Synthesis and reactivity of 4-oxo-4,5-dihydro-1,3-thiazol-2-acetamide». Synthesis, 739-741.

 

107. G. E. H. Elgemeie, S. A. Elees, I Elsakka and M. H. Elnagdi, (1983) «Activated nitriles in heterocyclic synthesis: The reaction of cinnamonitrile derivatives with active methylene reagents». Z. Naturforsch., 38b, 639-642.

 

108. G. E. H. Elgemeie, H. A. El-fahham, S. M. E. Hasaon and M. H. Elnagdi, (1983) «Activated nitriles in heterocyclic synthesis: The reaction of nitriles with mercaptocinamic acid». Z. Naturforsch., 38b, 781-785.

 

109. F. M. Abelrazek, Z. E. Kandeel, K. M. Hilmy and M. H. Elnagdi, (1983) «Activated nitriles in heterocyclic synthesis: The reaction of trichloroacetonitrile with 1,2-diamines, methyl anthranilate and methyl slicylate». Chem. & Industry (London), 11, 439.

110. N. S. Girgis, G. E. H. Elgemeie, G. A. M. Nawar M. H. Elnagdi, (1983) «a,b-Unsaturated nitriles in heterocyclic synthesis: The reaction of b-(2-furanyl) and b-(2-thienyl)-acrylonitrile with active methylene reagents». Leibig. Ann. Chem., 1468-1475.

 

111. M. R. H. Elmoghayer, M. K. Ibraheim, I. El-Saka, A. H. H. Elghandour and M. H. Elnagdi, (1983) «Pyrimidine derivatives and related compounds XI: Synthesis of some new mercaptopyrazolo[1,5-a]pyrimidines, and mercaptopyrazolo[1,5-c] triazine». Arch. Pharm. (Weinheim), 316, 697-702.

 

112. E M. Kandeel, V. B. Baghos, R. M. Mohareb and M. H. Elnagdi, (1983) «Synthesis of new 2-aminopyrazolo[1,5-c]pyrimidines, and 2-aminopyrazolo[1,2-c] triazine». Arch. Pharm. (Weinheim), 316, 717-722.

 

113. E M. Zayed, M. A. El-Khalifa, L. I. Ibraheim and M. H. Elnagdi, (1983) «Reactions with heterocyclic enamines: Synthesis of isoxazole derivatives». Arch. Pharm. (Weinheim), 316, 705-710.

 

114. H. A. El-fahham, I. El-Sakka, N. R. Mohamed and M. H. Elnagdi, (1983) «Reactions with heterocyclic arylazo compounds: Synthesis of new azoloyl-imidazolones». Arch. Pharm. (Weinheim), 316, 792-795.

 

115. E M. Kandeel, M. K. Ibraheim, K. U. Sadek and M. H. Elnagdi, (1983) «Reactions with arylhydrazones of a-cyanoketones: Synthesis of new a-arylhydrazononitriles». Arch. Pharm. (Weinheim), 316, 977-984.

 

116. E. A. Hafez, N. M. Abed, I. A. Elsakka and M. H. Elnagdi,(1983) «Reactrions with heterocyclic diazonium salts: Synthesis of several new azoarylhydrazones» J. Heterocyclic. Chem., 20, 285-288.

 

117. S. A. S. Ghozlan, E. M.Zayed, and M. H. Elnagdi, (1983) «Reactrions with heterocyclic enamines: Synthesis of new fused pyrazole derivatives» Gazz. Chem .Ital., 113, 219-227.

 

118. M. A. E. Khalifa, E. M.Zayed, M. H. Mohamed and M. H. Elnagdi,(1983) «Activated nitriles in heterocyclic synthesis: A novel synthesis of pyrazine derivatives» J. Heterocyclic. Chem., 20, 1571-1573.

 

119. E M. Kandeel, H.H. S. Alnima and M. H. Elnagdi,(1983) «Synthesis and chemical reactivity of benzimidazo-2-ylhydrazonyl chlorides». Polish. J. Chem., 57, 327-331.

 

120. M. A. El-Khalifa, G. H. Tommen, R. M. Abdel-Motaleb and M. H. Elnagdi, (1983) «Synthesis of azoloyl ketone and arylazoacetic acid derivatives: Reaction of 4-arylazo-2-oxazolin-5-ones with active methylene components».Heterocycles, 20, 45-49.

121. M. H. Elnagdi, F. M. Abdel-Galil and B. Y. Raid, (1983) «Recent developments in chemistry of 3(5)-aminopyrazoles».Heterocycles, 20, 2437-2470.

 

122. M. A. Morsi, E. M.Zayed, L. I. Ibraheim and M. H. Elnagdi, (1983) «Chemistry of arylhydrazononitriles. Spectrophotometric and polarographic reduction of 3-oxo-2-phenylhydrazonopropionitriles» Annali di Chimica, 73, 213-227.

 

123. M. M. Shoukry, A. Kh. Ghoneim, E. M. Shoukry and M. H. Elnagdi, (1983) «a-Ethoxycarbonylcyanoacetanilide as analitical reagent for iron» Annali di Chimica, 73.

 

124. M. R. H. Elmoghayer, M. K. Ibraheim, M. M. M. Ramiz and M. H. Elnagdi, (1983) «Activated nitriles in heterocyclic synthesis: A novel synthesis of pyrroloes and 1,2,4-triazolo3-yl nitriles». Z. Naturforsch., 38b, 764-768.

 

 

 

1984

 

125. A. E. Mourad, K. U. Sadek, N. Shehata, and M. H. Elnagdi, (1984) «Pyrimidine derivatives and related compounds: Synthesis of new 3-(2,3-dimethyl-5-oxo-1-phenylpyrazolin-4-yl)-azopyrazolo[1,5-a]pyrimidines». Arch. Pharm. (Weinheim), 317, 280-288.

 

126. A. A. El-Agamey, I. A. Elsakka, Z. E. Kandeel and M. H. Elnagdi, (1984) «Activated nitriles in heterocyclic synthesis: Studies on the chemistry of antipyrin-4-yl-acetonitrile». Arch. Pharm. (Weinheim), 317, 289-293.

 

127. F. A. A. El-All, M. M. Hussein, M. H. Elnagdi and G. E. H. Elgemeie, (1984) «Studies on 5-aminoisoxazole derivatives: Synthesis of some new fused isoxazoles». Monotaschefte fur Chemie., 115, 573-579.

 

128. K. U. Sadek, E. A. Hafez, A. E. Mourad and M. H. Elnagdi, (1984) «Activated nitriles in heterocyclic synthesis: The reaction of substituted cinnamonitriles with 2-functionally substituted methyl-2-thiazolin-4-one derivatives». Z. Naturforsch., 39b, 824-828.

 

129. Z. E. Kandeel, K. M. H. Hilmy, N. A. Ismail and M. H. Elnagdi, (1984) «Activated nitriles in heterocyclic synthesis: Novel synthesis of pyrimidine and pyridine derivatives». J. Prakt. Chem, 326, 248-252.

 

130. G. E. H. Elgemeie, E. A. Hafez, M. H. Elnagdi and G. A. M. Nawar (1984) «Activated nitriles in heterocyclic synthesis: A new synthesis of 3-furan-2-ylidine and 3-thiophen-2-ylidine-3,6-dihydropyridine derivatives». Heterocycles, 23, 2829-2833.

 

131. G. E. H. Elgemeie, H. A. Elfahham, S. A. S. Ghozlan and M. H. Elnagdi, (1984) «Synthesis of several new pyrazolo[5,1-c]-1,2,4-triazoles, imidazo[1,2-b]pyrazoles and pyrazolo[3,4-b]pyrazines. Reaction of nitriles with amino-oxo-substituted azoles». Bull. Chem. Soc. Japan, 57, 1650-1652.

 

132. K. U. Sadek, H. M. Fahmy, R. M. Mohareb and M. H. Elnagdi, (1984) «Activated nitriles in heterocyclic synthesis: Synthesis of several new pyrimidine and pyridazine derivatives». J. Chem. & Engineering data, 29, 101-103.

 

133. F. M. Abdelrazek, N. S. Ibraheim, Z. E. Kandeel, and M. H. Elnagdi, (1984) «Activated nitriles in heterocyclic synthesis: A new approach for the synthesis of pyridine and pyridopyridine derivatives».Synthesis, 970-972.

 

134. Z. E. Kandeel, K. M. H. Hilmy, F. M. Abdelrazek and M. H. Elnagdi, (1984) «Activated nitriles in heterocyclic synthesis: Synthesis of several new pyrano[3,4-c] pyrazoles». J. Chem. & Industry, 33-34.

 

135. M. H. Elnagdi, M. R. H. Elmoghayer and G. E. H. Elgemeie, (1984) «The chemistry of 3-oxoalkanonitriles».Synthesis, 1-25.

 

1985

 

136. N. S. Ibraheim, F. M. Abdelrazek, S. Aziz and M. H. Elnagdi, (1985) «Nitriles in organic synthesis. The reaction of trichloroacetonitriles with active methylene reagents». Monotaschefte fur Chemie., 116, 551-556.

 

137. N. S. Ibraheim, K. U. Sadek, L. I. Ibraheim and M. H. Elnagdi, (1985) «A novel synthesis of b-enaminoamide. The reaction of halomethyl acet-p-toluidide with isothiocyanates and with isocyanate». Z. Naturforsch., 40b, 129-131.

 

138. F. M. Abdelrazek, Z. E. Kandeel, K. M. H. Hilmy and M. H. Elnagdi, (1985) «Substituted acrylonitriles in heterocyclic synthesis. The reaction of a-substituted b-(2-furyl)-acrylonitriles with some active methylene reagents». Synthesis, 432.

 

139. N. M. Abed, N. S. Ibraheim, H. M. Fahmy and M. H. Elnagdi, (1985) «Activated nitriles in heterocyclic synthesis: Novel synthesis of pyrimidines and pyridines». Org. Preparation and Procedures Int., 17, 170-174.

 

140. A. A. El-Agamy, M. R. H. Elmoghayer and M. H. Elnagdi, (1985) «Reactions with heterocyclic amidines». Pharmazie, 40, 176-178.

 

141. G. E. H. Elgemeie, H. A. Elfahham, and M. H. Elnagdi, (1985) «Activated nitriles in heterocyclic synthesis: Novel synthesis of pyridazines, pyridines, pyrazoles and polyfunctionally substituted benzene derivatives». Heterocycles, 23, 1999-2003.

 

142. M. A. Hammad, G. A. M. Nawar, G. E. H. Elgemeie and M. H. Elnagdi, (1985) «Nitriles in heterocyclic synthesis: Novel synthesis of benzo[G]imidazo[1,2-a] pyrimidines and benzo[G]imidazo[1,2-c]pyridine derivatives».Heterocycle, 23, 2177-2181.

 

143. M. R. H. Elmoghayer, E. A. Ghali, M. M. Ramiz and M. H. Elnagdi, (1985) «Activated nitriles in heterocyclic synthesis IV: Synthesis of 1,3,4-thiadiazole derivatives». Liebigs Ann. Chem., 1962-1969.

 

144. Z. E. Kandeel, F. M. Abdelrazek, M. E. M. Salah and M. H. Elnagdi, (1985) «Activated nitriles in heterocyclic synthesis: Reaction of cyanogen bromide with some functionally substituted enamines». J. Chem. Soc. Perkin trans 1, 1499.

 

145. H. M. Fahmy, M. H. Elnagdi, A. E. Mahgoub, A. Kasem and E. A. Ghali, (1985) «Structure of 5-amino-4-arylazopyrazoles in ethanoic aqueous media». J. Elec. Chem. Soc., 32.

 

146. G. E. H. Elgemeie, M. M. M. Sallam, S. M. Sherif and M. H. Elnagdi, (1985) «A novel synthesis of 4H-thiopyrans. Unexpected products of reaction of cyanothio-acetamide with cinnamonitrile derivatives». Heterocycles, 23, 3107-3110.

 

147. M. H. Elnagdi, G. E. H. Elgemeie and F. A. ElAal (1985) «Recent developments in synthesis of pyrazole derivatives».Heterocycles, 23, 3121-3150.

 

148. F. M. Abdelrazek, H. Z. Shams, A. W. Erian and M. H. Elnagdi, (1985) «Nitriles in heterocyclic synthesis: Synthesis of 2-substituted 4-phenylthiazoles from phenacyl thiocyanate». J. Chem. research(s), 246-247 ; Ibid(m), 2774-2785.

 

149. G. A. M. Nawar, S. A. Osman, K. A. M. El-Bayoumi, G. E. H. Elgemeie and
M. H. Elnagdi, (1985) «Nitriles in heterocyclic synthesis: New route for synthesis of pyrane, pyridine and pyrrole derivatives». Heterocycles, 23, 2983-2988.

 

1986

 

150. N. S. Ibraheim, F. M. A. Galil, R. M. Abdel-Motaleb and M. H. Elnagdi, (1986) «Nitriles in heterocyclic synthesis: Novel synthesis of pyridazine derivatives». Heterocycles, 24, 1217-1222.

 

151. S. A. Ghozlan, F. A. El-All, M. H. Mohamed and M. H. Elnagdi, (1986) «Nitriles in heterocyclic synthesis: Novel synthesis of functionally substituted isoxazoles, pyrazoles, pyrazines and their condensed derivatives». Z. Naturforsch., 41b, 489-495.

 

152. G. E. H. Elgemeie, S. M. Sherif, F. A. El-All and M. H. Elnagdi, (1986) «Nitriles in heterocyclic synthesis: Novel synthesis of 4H-thiopyrans and of 2-hydroxy-6-pyridine-thione derivatives». Z. Naturforsch., 41b, 781-783.

 

153. F. M. A. Galil, S. M. Sherif and M. H. Elnagdi, (1986) «Utility of cyano-acetamide and thianothioacetamide in heterocyclic synthesis». Heterocycles, 24, 2023.

 

154. S. A. M. Osman, G. E. H. Elgemeie, G. A. M. Nawar and M. H. Elnagdi, (1985) «Activated nitriles in heterocyclic synthesis: Synthesis of 6-thiophen-2-yl and 6-furan-2-ylthiazolo[2,3-c]pyridine derivatives». Monotaschefte fur Chemie., 117, 105-110.

 

155. Z. E. Kandeel, F. M. Abdelrazek and M. H. Elnagdi, (1986) «Nitriles in heterocyclic synthesis: New route for synthesis of pyridine and pyrido[2,3-d] pyridazine derivatives». Heterocycles, 24, 2455-2461.

 

156. N. M. Abed, N. S. Ibraheim and M. H. Elnagdi, (1986) «Studies on heterocyclic enamines. New synthesis of pyrano[2,3-b]pyridine, pyrano[2,3-d]pyrimidine and pyrano[2,3-c]pyrazole derivatives». Z. Naturforsch., 41b, 925-928.

 

157. E. A. Hafez, F. M. A. Galil, S. M. Sherif and M. H. Elnagdi, (1986) «Nitriles in heterocyclic synthesis: A novel synthesis of spiropyranoylidolidene derivatives». J. Heterocyclic Chem., 23, 1375-1378.

 

158. F. M. A. Galil, M. M. M. Sallam, S. M. Sherif and M. H. Elnagdi, (1986) «Activated nitriles in heterocyclic synthesis: Novel synthesis of pyrrole, pyrolo
[3,2-b]pyrrole and pyridine derivatives». Heterocycles, 24, 2190.

 

1987

 

159. E. A. Hafez, M. H. Elnagdi, A. G. A. Elogamey and F. M. A. Aziz ElToweel, (1987) «Nitriles in heterocyclic synthesis: Novel synthesis of benzo[c]coumuein and of benzo[c]pyrano[3,2-c]quinoline derivatives». Heterocycles, 26, 903-907.

 

160. M. H. Elnagdi, R. M. Abdel-Motaleb, M. Mustafa, E. M. Zayed and E. M. Kamel (1987) «Studies on heterocyclic enamines. New synthesis of 4H-pyrans, pyranopyrazoles and pyranopyrimidines».J. Heterocyclic Chem., 24, 1677-1681.

 

161. E. A. Hafez, Z. E. Kandeel M. H. Elnagdi, (1987) «Nitriles in organic synthesis: A novel synthesis of benzo[h]pyrimido[1,2-c]pyridazinone and hydrazo-nyl-2-enonitrile derivatives». J. Heterocyclic Chem., 24, 227-229.

 

162. N. S. Ibraheim, M. H. Mohamed and M. H. Elnagdi, (1987) «Synthesis of new 3-(pyridin-6-yl)pyrazolo[1,5-a]pyrimidines». Arch. Pharm. (Weinheim), 320, 487-491.

 

163. A. G. A. Elagamey, E. A. Ghali, A. F. A. Harb and M. H. Elnagdi, (1987) «Reactions with 3-pyrazolin-5-ones. Synthesis of 3,4-dihydropyridone and pyrano [2,3-c]pyrazole derivatives». Arch. Pharm. (Weinheim), 320, 140-145.

 

164. A. G. A. Elogamey, M. A. Sofan, Z. E. Kandeel and M. H. Elnagdi, (1987) «Nitriles in organic synthesis: A novel synthesis of 2-thianylbiaryls». Collection Czechoslovak Chem. Commun., 52 1561-1565.

 

165. F. M. A. Galil and M. H. Elnagdi, (1987) «a,b-Unsaturated nitriles in organic synthesis: A novel synthesis biaryls and azabiaryls». Liebigs Ann. Chem., 477-479.

 

166. A. M. El-Torgoman, E. A. Hafez, S. M. El-Kousy and M. H. Elnagdi, (1987) «Nitriles in organic synthesis: A new synthesis of 3,5-diarylbenzene derivatives». J. Chem. & Industry, 60-67.

 

167. M. H. Elnagdi, S. M. Sherif and R. M. Mohareb, (1987) «The synthetic potentialities of nitriles in heterocyclic synthesis». Heterocycles, 26, 497-536.

 

168. M. H. Elnagdi, M. R. H. Elmoghayer and G. E. H. Elgemeie, (1987) «Chemistry of pyrazolopyrimidines».In Advanced in Heterocyclic Chemistry, vol. 41, 319-379.

 

169. N. S. Ibraheim, H. Z. Shams, F. A. El-All and M. H. Elnagdi, (1987) «Activated nitriles in heterocyclic synthesis: Synthesis of pyrimidine derivatives». J. Prakt. Chem, 329, 552-556.

 

170. M. H. Mohamed, N. S. Ibraheim and M. H. Elnagdi, (1987) «Nitriles in heterocyclic synthesis: Synthesis of some new  pyridine, pyridazine and pyrimidine derivatives». Heterocycles, 26, 899-902.

 

171. N. S. Ibraheim F. M. A. Galil, R. M. Abdel-Motaleb and M. H. Elnagdi, (1987) «Nitriles in heterocyclic synthesis: Novel synthesis of pyridazine derivatives». Bull. Chem. Soc. Jpn., 60, 4486.

 

1988

 

172. K. U. Sadek, N. S. Ibraheim and M. H. Elnagdi, (1988) «Synthesis of pyrazolo[5,1-c]-1,2,4-triazines, isoxazolo[3,4-e]pyrazolo[5,1-c]-1,2,4-triazines and aminopyridones». Arch. Pharm. (Weinheim), 321, 741-743.

 

173. F. M. A. Galil, R. M. Abdel-Motaleb and M. H. Elnagdi, (1988) «Nitriles in heterocyclic synthesis: The reaction of acetophenoneylidiene malononitrile with some active methylene reagents and acrylonitrile derivatives». An. Quim., 84C, 19-22.

 

174. M. H. Mohamed, N. S. Ibraheim, M. M. Hussein and M. H. Elnagdi, (1988) «Nitriles in organic synthesis: Synthesis of new functionally substituted pyrazines and pyrazoles». Heterocycles, 26, 899-902.

 

175. N. S. Ibraheim, R. M. Mohareb and M. H. Elnagdi, (1988) «Nitriles in heterocyclic synthesis: A new approach for the synthesis of thiazole derivatives». J. Prakt. Chem, 330, 65-70.

 

176. N. S. Ibraheim, M. H. Mohamed and M. H. Elnagdi, (1988) «Nitriles in heterocyclic synthesis: Novel procedure for the preparation of pyrimidines, pyrazines, triazines and their fused derivatives». J. Chem. & Industry, 270.

 

177. K. U. Sadek and M. H. Elnagdi, (1988) «A new route for the synthesis of pyrido[2,3-d]pyridazines». synthesis, 483-484.

 

178. K. U. Sadek, M. A. El-Moghraby, M. A. Selim and M. H. Elnagdi, (1988) «Activated nitriles in heterocyclic synthesis: Synthesis of pyrimidine derivatives». Bull. Chem. Soc. Jpn., 61, 539.

 

179. M. A. El-Moghraby, K. U. Sadek, M. A. Selim and M. H. Elnagdi, (1988) «Nitriles in organic synthesis: the chemical behaviour of 1-(2-furyl)ethylidine and 1-(2-thienyl)ethylidine malononitriles». Bull. Chem. Soc. Jpn., 61, 1371.

 

180. A. A. Elagemy, S. Z. Sewilam, F. M. A. El-Toweel, and M. H. Elnagdi, (1988) «Nitriles in heterocyclic synthesis: Novel synthesis of benzo[b]pyrans naphtho
[1,2-b]pyrano, naphtho[2,1-b]pyrans, pyrano[3,2-b]quinolines and pyrano[3,2-c] quinolines». Collection Czechoslovak Chem. Commun., 53 1534.

 

181. M. H. Elnagdi, K. U. Sadek, F. M. A. Galil and S. M. E. Hassan, (1988) «Studies on heterocyclic amidines. Synthesis of new azaindene derivatives». Arch. Pharm. (Weinheim), 321, 851-854.

 

182. M. H. Elnagdi, N. S. Ibraheim, F. M. Abdelrazek, and A. W. Erian (1988) «New route to 1,3,4-oxadiazoles, 1,3,4-oxadiazolopyridines and pyridopyridazines». Liebigs Ann. Chem., 909-911.

 

183. K. U. Sadek, N. S. Ibraheim, and M. H. Elnagdi, (1988) «Chloroaldoxime in heterocyclic synthesis. A route for the synthesis of 1,2,4-oxadiazole and isoxazoles derivatives». J. Prakt. Chem, 330.

 

184. H. A. Elfahham, G. E. H. Elgemeie, Y. R. Ibraheim, and M. H. Elnagdi, (1988) «Studies on 3,5-diaminopyrazoles: New route for synthesis of pyrazoloazines and pyrazoloazoles». Liebigs Ann. Chem., 819-822.

 

185. H. Z. Shams, N. S. Ibraheim, Y. M. Elkholy and M. H. Elnagdi, (1988) «Nitriles in organic synthesis: New route for synthesis of thiazoles pyrimidines,pyridines and azinothiopyrans». J. Prakt. Chem, 330, 65-70.

 

186. N. S. Ibraheim, M. H. Mohamed and M. H. Elnagdi, (1988) «A route to polyfunctionally substituted azabiaryls». Arch. Pharm. (Weinheim), 321, 569-570.

 

187. M. H. Elnagdi, N. S. Ibraheim, K. U. Sadek and M. H. Mohamed, (1988) «Reaction with heteroaromatic aza compounds. A novel synthesis of phthalazine derivatives». Liebigs Ann. Chem., 1009-1011.

 

 

 

 

188. N. S. Ibraheim, H. Z. Shams, M. H. Mohamed and M. H. Elnagdi, (1988) «Activated nitriles in heterocyclic synthesis: A new approach for synthesis of thiazinone, quinazolinone and benzoimidazole derivatives». Chem. & Industry, 563-564.

 

1989

 

189. M. H. Elnagdi, N. H. Taha, F. M. Abdel All, R. M. Abdel-Motaleb and F. F. Mahamoud, (1989) «Studies on condensed pyrazoles. Synthesis of new methyl and aminopyrazolo[1,5-a]pyrimidines and of pyrazolo[5,1-c]-1,2,4-triazines». Collec-tion Czech. Chem. Commun., 54 1982-1091.

 

190. M. H. Elnagdi, M. R. H. Elmoghayer, K. U. Sadek and A. H. H. Elghandour, (1989) «The reaction of thioglycollic acid with a,b-unsaturated nitriles. A new route for the synthesis of thiazolo[2,3-a]pyridines». Sulpher Letter, 9 109-122.

 

191. M. H. Elnagdi, A. H. H. Elghandour, K. U. Sadek and M. M. M. Ramiz, (1989) «Studies on condensed pyrazoles. A new route for the synthesis of pyrazolo[4,3-c]-pyrazoles».Z. Naturforsch., 44b, 951-954.

 

192. H. A. Harb, A. M. Hessien, S. A. Metwally and M. H. Elnagdi, (1989) «Polyazanaphthalenes I. the reaction of ethyl 2-amino-5-cyano-4-aryl-2-methyl-4H-pyran-3-carboxylate with nucleophilic reagents». Liebigs Ann. Chem., 585-588.

 

193. M. H. Elnagdi, F. A. Abdel All, E. A. Hafez and Y. M. Yassin, (1989) «Studies on alkyl heterocyclic aromatic compounds. New route for synthesis of Polyazana-phthalenes».Z. Naturforsch., 44b, 683-689.

 

194. S. A. Metwally, G. M. Elnaggar, M. I. Younis, T. I. El-Emary and M. H. Elnagdi, (1989) «Reaction of 4-dicyanomethylidine-3-methyl-1-phenyl-2-pyrazolin-5-one toward amines and phenols». Liebigs Ann. Chem., 1037-1040.

 

195. M. H. Elnagdi, F. M. Abdelrazek, N. S. Ibraheim and A. W. Erian (1989) «Studies on alkylheteroaromatic compounds. The reactivity of polyfunctionally substituted azines towards electrophilic reagents». Tetrahedron, 45, 3597-3600.

 

196. A. H. H. Elghandour, M. M. M. Ramiz and M. H. Elnagdi, (1989) «Novel synthesis of polyfunctionally substituted pyridines».Synthesis, 775-777.

 

197. N. S. Ibraheim, M. H. Mohamed, Y. Mahfouz and M. H. Elnagdi,(1989) «Nitriles in organic synthesis: Synthesis of new pyridine, and pyrolo[3,4-b]pyridine derivatives». J. Prakt. Chem, 331, 375-379.

 

198. M. A. Safan, F. M. A. El-Toweel, A. G. A. Elagemy, and M. H. Elnagdi, (1989) «Studies on cinnamonitriles. The reaction of cinnamonitriles with cyclo-pentanone».Liebigs Ann. Chem., 935-936.

 

199. M. H. Elnagdi, F. A. Abdel All and Y. M. Yassin, (1989) «Synthesis of condensed 4H-pyrans. The reaction of 1,1-dimethyl-3,5-diketocyclohexane with cinnamonitriles». J. Prakt. Chem, 331, 971-976.

 

200. G. E. H. Elgemeie, H. A. Elfahham, Y. R. Ibraheim, and M. H. Elnagdi, (1989) «a,b-Unsaturated nitriles in heterocyclic synthesis: Synthesis of several arylpyridine and arylpyridazine derivatives». Arch. Pharm. (Weinheim), 322, 535-539.

 

201. M. H. Elnagdi, A. M. Negm and A. W. Erian, (1989) «Studies with alkyl-heteroaromatic pi-deficient compounds. Novel synthesis of thieno[3,4-d]pyrid-azines and phthalazines». Liebigs Ann. Chem., 1255-1256.

 

1990

 

202. M. H. Elnagdi, A. H. H. Elghandour and K. U. Sadek, (1990) «The structure of products of coupling aryldiazonium salts with phenacylthicyanate». Spectochem. Acta, 46A, 51-55.

 

203. A. G. A. Elagamey and F. M. A. El-Toweel, S. Z. A. Sowellim, M. A. Safan and M. H. Elnagdi, (1990) «Nitriles in heterocyclic synthesis: A novel route for the synthesis of naphthalopyrans, pyridines 2H-and 4H-pyrans». Collection Czech. Chem. Commun., 55, 525-534.

 

204. M. H. Elnagdi, F. M. Abdel All, N. H. Taha and Y. M. Yassin, (1990), «Chemistry of alkylheteroaromatic pi-deficient compounds. A. novel synthesis of cinnolenes». Z. Naturforsch., 45b, 389-392.

 

205. S. A. S. Ghozlan, M. H. Mohamed, Y. Fakhr and M. H. Elnagdi,(1990) «Synthesis of polysubstituted pyridazines». Liebigs Ann. Chem., 1255-1256.

 

206. M. H. Elnagdi and A. W. Erian (1990) «Synthesis of substituted azaindenes: Synthesis of new pyrazolo[1,5-a]pyrimidine derivatives». Bull. Chem. Soc. Japan, 63, 1854-1856.

 

207. M. H. Elnagdi, A. W. Erian, K. U. Sadek and M. A. Selim, (1990) «Studies on alkylheteroaromatic. New synthesis of 1,3,4-oxadiazole, oxadiazolo[3,2-a]pyridine, 1,3,4-thiadiazole, thiadiazolo[3,2-a]pyridine, phthalazine and thieno[3,4-d] pyrid-azine derivatives».J. Chem. research(s), 148-149 ;Ibid, (m), 1115-1127.

 

208. M. H. Elnagdi and A. W. Erian (1990) «Studies with alkylheteroaromatic compounds. A. novel synthesis of thienoazines and benzoazines». Liebigs Ann. Chem., 1215-1219.

 

209. S. M. El-Kousy, E. El-Sakka, A. M. El-Torgoman, H. Rashdy and M. H. Elnagdi, (1990) «Synthesis of new polyfunctional substituted pyridazines: Phthalazines, cinnolines and thieno[3,4-c]pyridazines». Collection Czech. Chem. Commun., 55, 2977-2986.

 

210. M. H. Elnagdi, M. R. H. Elmoghayer and K. U. Sadek, (1990) «Chemistry of pyrazoles condensed to heteroaromatic five and six-membered rings». Advanced in Heterocyclic Chemistry, vol. 48, 223-299.

 

1991

 

211. M. Y. Younis, A. H. Attia, S. A. Metwally and M. H. Elnagdi, (1991) «Synthesis of pyranopyrazoles». Gazz. Chim. Ital.,121, 185-195.

 

212. M. H. Elnagdi and A. W. Erian (1990) «Nitriles in heterocyclic synthesis: New routes to polyfunctionally substituted pyridine, pyridopyridine, quinoline and pyridazine derivatives». Arch. Pharm. (Weinheim), 324, 853-858.

 

213. M. H. Elnagdi, S. A. S. Ghozlan, F. M. Abdelrazek and M. A. Selim, (1991) «Studies with polyfunctionally substituted heterocycles. Synthesis of new thiopyrans, pyridines, pyrans and their fused derivatives». J. Chem. research(s), 116-117 ; Ibid, (m), 1010-1018.

 

214. S. E. Zayed, E. I. Abou El-Magd, S. A. Metwally and M. H. Elnagdi, (1991) «Reactions of six-membered heterocyclic b-enaminonitriles with electrophilic reagents».  Collection Czech. Chem. Commun., 56 2175-2182.

 

1992

 

215. R. M. Mohareb, H. Z. Shams and M. H. Elnagdi, (1992) «Studies with polyfunctionally substituted heterocycles. Synthesis of new 4-coumarin-3-yl pyridazines». Gazz. Chim. Ital.,122, 42-44.

 

216. M. H. Elnagdi, A. F. A. Harb, A. H. Elghandour, A. H. M. Hussien and A. Metwaly (1992) «Nitriles in organic synthesis: Synthesis of new polyfunctionally substituted pyridine and pyrido[3,2-c]pyridine derivatives». Gazz. Chim. Ital.,122, 299-293.

 

217. M. H. Elnagdi, A. H. H. Elghandour, M. K. A. Ibraheim and I. S. A. Hafiz, (1992) «Studies with polyfunctionally substituted heterocycles. Synthesis of new pyridines, naphtho[1,2-b]pyrans, pyrazolo[3,4-b]pyridines and pyrazolo[1,5-a] pyrimidines». Z. Naturforsch., 47b, 572-578.

 

218. A. H. H. Elghandour, A. H. Hussein and M. H. Elnagdi, (1992) «Studies with polyfunctionally substituted heterocycles. Synthesis of new polyfunctionally substituted phthalazines, thieno[3,4-d]pyridazines and pyrido[3,4-c]pyridazines». J. Prakt. Chem, 334, 723-726.

 

219. A. H. H. Elghandour, M. K. A. Ibraheim, I. S. A. Hafez and M. H. Elnagdi, (1992) «Studies with alkylheteroaromatic carbonitriles. A novel synthesis of pyrazolo[2`,3`,4]benzo[c]-1,2,4-triazine». Z. Naturforsch., 47b.

 

220. F. M. Manhi, S. E. Zayed, F. A. Ali and M. H. Elnagdi, (1992) «Studies with polyfunctionally substituted heterocycles. Novel synthesis of pyrido[4,3-d] pyridazines and pyrido[3,4-d]pyridazines». Collection Czech. Chem. Commun., 57, 1770-1774.

 

221. A. H. H. Elghandour, M. K. A. Ibraheim, I. S. A. Hafez and M. H. Elnagdi, (1992) «Synthesis of new substituted pyridazines ». OPPI., 24, 37-43.

 

222. F. M. Manhi, S. E. Zayed, F. A. Ali and M. H. Elnagdi, (1992) «Studies with polyfunctionally substituted heterocycles. A novel synthesis of pyrido[4,3-d] pyridazines». Collection Czech. Chem. Commun., 57, 1770-1774.

 

1993

 

223. A. G. A. Elagamey, F. M. A. El-Taweel, M. N. M. Khodeir and M. H. Elnagdi, (1993) «Nitriles in heterocyclic synthesis: The reaction of polyhydric naphthalenes 4-methylcoumarin-3-carbonitrile and alkylidenemalononitrile with methylene malon-onitrile». Bull. Chem. Soc. Japan, 66, 464-468.

 

224. M. H. Elnagdi, A. M. Negm, E. M. Hassan and A. El-Borely (1993) «Studies with thienoazines. The reactivity of thienopyridazines towards electron poor olefins and dimethylacetylene dicarboxylate». J. Chem. Res. (s), 130-131.

 

225. M. H. Elnagdi, R. M. Mohareb, F. A. A. El-Aal and H. A. Mohamed (1993) «Studies with polyfunctionally substituted heteroaromatics. A route to polyfunc-tionally substituted annelarted mercaptophthalazines». Phosphours, sulfur and Silicon, 82, 195-205.

 

226. K. U. Sadek, M. A. Selim, N. A. Elmaghraby and M. H. Elnagdi, (1993) «Nitriles in organic synthesis: Synthesis of polyfunctionally substituted pyridine and benzene derivatives». Pharmzie, 48, 419-422.

 

227. K. U. Sadek, M. A. Selim, M. H. Elnagdi and H. H. Otto, (1993) «Studies on fused azoles. Synthesis of several new polyfunctionally substituted fused pyrazoles» Bull. Chem. Soc. Japan, 66, 2927-2933.

 

228. A. H. H. Elghandour, M. K. A. Ibraheim, I. S. A. Hafez and M. H. Elnagdi, (1993) «Synthesis of new substituted pyridazines ». OPPI., 25, 293-299.

 

1994

 

229. M. H. Elnagdi, A. M. Negm and K. U. Sadek, (1994) «Alkyl heteroaromatic as bulding blocks for the synthesis of condensed polyfunctionally substituted hetero-cycles». Synlet., 27-37.

 

230. A. M. Farag, Z. E. Kandeel and M. H. Elnagdi, (1994) «Studies with polyfunctionally substituted heterocycles. Novel synthesis of pyrazolyl-1,2,4-triazoles and pyrazolo[5,1-c]-1,2,4-triazines». J. Chem. Res. (s), 10-11. Ibid, (m).

 

231. F. A. Abu-Shanab, M. H. Elnagdi, F. A. Ali and B. J. Wakefield, (1994) «a,a-dioxoketone dithioacetals as starting materials for the synthesis of polysubstituted pyridines». J. Chem. Soc. Perkin 1, 1445-1452.

 

232. Z. E. Kandeel, A. M. Farag, A. M. Negm, A. K. Khalafalla, M. A. M. Kaslen and M. H. Elnagdi, (1994) «Studies with polyfunctionally substituted heterocycles. Novel synthesis of pyrazolo[1,5-a]pyrimidine, triazolo[1,5-a]pyrimidine and pyraz-oxazole derivatives». J. Chem. Res. (s), 416-417. Ibid, (m).

 

233. M. H. Elnagdi, A. H. H. Elghandour, A. F. A. Harb, A. H. M. Hussein and S. A. H. Metwally, (1994) «Studies with polyfunctionally substituted heteroaromatics. Arylhydrazononitriles for synthesis of polyfunctionally substituted azines».
 Heterocycles, 38, 739-751.

 

234. A. M. A. Helmy, M. A. Morsi and M. H. Elnagdi, (1994) «Studies of the products of coupling of substituted pyrilidene malononitrile with alkyldiazonium salts. Polarographic and acid dissociation measurements». Collection Czech. Chem. Commun., 59, 1753-1761.

 

235. A. M. Negm, F. M. Abdelrazek, M. H. Elnagdi and L. H. Shaaban, (1994) «Heterocyclic synthesis with nitriles: New routes for synthesis of pyridines, pyridazines and their fused derivatives». Egypt. J. Chem., 37, 509-518.

 

1995

 

236. N. A. Al-Awadi, M. H. Elnagdi and T. Mathew, (1995) «Gas phase kinectics of elimination reaction of pentane-2,4-dione derivatives». Int. J. Chem.Kinetics, 27, 517-523.

 

237. Z. E. Kandeel, E. A. Hafez, M. A. Sleim, F. A. Abdellatif and M. H. Elnagdi, (1995) «Novel synthesis of pyrrolone and pyrrolopyridine derivatives». Heteroatom Chem., 6, 305-309.

 

238. F. Al-Omran, M. M. Abdel Khalik and M. H. Elnagdi, (1995) «Studies with polyfunctionally substituted heteroaromatics. New routes for the synthesis of polyfunctionally substituted pyridines and 1,2,4-triazolo[1,5-a]pyridines» Heteroatom Chem., 6, 545-551.

 

239. M. H. Elnagdi, A. M. Negm, A. W. Erian and S. El-Kousy, (1995) «Studies with polyfunctionally substituted heteroaromatics. 2-phenyl-4-p-tolylhydrazono-2-oxa-zolin-5-one as a precursor for the synthesis of substituted 1,2,4-triazoles and pyridine» Heteroatom Chem., 6, 589-592.

 

240. M. H. Elnagdi, K. U. Sadek, M. A. L. El-Maghraby, M. A. Sleim, A. K. Khalafalla, and M. A. E. Raslan, (1995) «Studies with 2-benzimidazolyl acetonitrile. Synthesis of new benzimidazo-2-yl-thiophenes and benzo[g]imidazo-[1,2-a] pyridines». Phosphours, sulfur and Silicon, 105, 51-55.

 

241. M. H. Elnagdi and A. W. Erian (1995) «Studies with polyfunctionally substituted heterocycles. Synthetic approachs to azinyl carbonitriles». Bull. Chem. Soc.Fr., 132, 920-924.

 

242. F. A. Abu-Shanab, B. J. Wakefield, F. Al-Omran, M. M. Abdel Khalik and M. H. Elnagdi, (1995) «Alkyl(oxo)pyridazine as bulding blocks in heterocyclic synthesis. Novel synthesis of pyrido[4,3-c]pyridazines, pyrido[4,3-d]pyridazines, thiopyrano [3,4-c]pyridazines and 1,3,4-thiadiazacenaphthene». J. Chem. Res. (s), 488-489. Ibid, (m) 2924.

 

243. M. H. Elnagdi, E. A. Hafez and A. W. Erian (1995) «Chemistry of alkyl and substituted alkylheteroaromatic compounds». Heteroatom Chem., 6, 179-234.

 

244. H. Al-Awadi, F. Al-Omran, M. H. Elnagdi, L. Infantes, C. Foces-foces, N. Jagerovic and J. Elguero, (1995) «New synthetic approachs to condensed pyrid-azinones. Alkylpyridazinyl carbonitriles as bulding blocks for the synthesis of condensed pyridazinones». Tetrahedron, 51, 12745-12762.

 

245. S. Zayed, S. I. Aziz, A. W. Erian, R. M. Mohareb, E. I. Abou Elmagd, S. A. Metwally and M. H. Elnagdi, (1995) «Studies with polyfunctionally substituted heteroaromatic. The reactivity of azoles towards electrophilic reagents». Phosphours, sulfur and Silicon, 102, 51-57.

 

246. M. H. Elnagdi, (1995) «Egyption chemistry and its rôle in middle-East and Afirican development». TWAS News letter, 7, 18-19.

 

247. K. U. Sadek, M. A. Sleim, M. Ali and M. H. Elnagdi, (1995) «Nitriles in heterocyclic synthesis: The reaction of ethyl 2-oxoindoliden-3-ylidene cycano-acetate and of 3-dicycanoethylidene indolidene-2-one with phenol and amines». Heteroatom Chem., 6, 597-600.

 

248. A. M. Negm, F. A. El-Aal, E. A. Hafez, M. H. Elnagdi and Y. M. N. Mustafa, (1995) «Studies with polyfunctionally substituted heteroaromatic. New routes for synthesis of benzoazenes». Phosphours, sulfur and Silicon, 106, 1-7.

1996

 

249. N. Al-Awadi and M. H. Elnagdi, (1996) «Gas phase elimination reaction of 4-substituted 2-alkoxythiazoline-5-ones». Heteroatom Chem.,7, 183-186.

 

250. M. H. Elnagdi, N. Al-Awadi and A. W. Erian, (1996) «Chemistry of five -membered heterocycles with two heteroatoms fused to two heteroaromatic six membered rings without nitrogen bridgehead and excluding pyrines».In Compe-rhensive Heterocyclic Chemistry, 2nd, 431-488.

 

251. Z. E. Kandeel, A. M. Farag, M. R. Shaaban and M. H. Elnagdi, (1996) «Studies with 1,3-diketones: A convenient synthesis of some tetrahydro-4H-benzopyran and tetrahydroquinoline derivatives». Heteroatom Chem.,7, 35-38.

 

252. F. Al-Omran, M. M. Abdel Khalik, H. Al-Awadi and M. H. Elnagdi, (1996) «Reactivity of condensed thiophenes in the Diels-Alder reaction: The reactivity of 3-aminothioeno[3,4:3`,4`]benzo[b]pyranone, 3-aminothieno[3,4-c]quinolin and 5-amino-7-substituted thieno[3,4-d]pyridazinones toward electron poor olefins and acetylenes». Tetrahedron, 52, 11915-11928.

 

253. A. A. A. Al-Najjar, S. A. R. Amer, M. Riad, I. Elghamry and M. H. Elnagdi, (1996) «Studies with polyfunctionally substituted heteroaromatic. A routes for the synthesis of substituted 1,2,4-triazolo[1,5-a]pyridines». J. Chem. Res. (s), 296-297.

 

254. A. K. Abdul Hadi, M. A. Aboutabl, E. M. Shoukry and M. H. Elnagdi, (1996) «Polarographic and spectrophtometric behaviour of some aminoazole derivatives». Egypt. J. Chem., 39, 197-204.

 

255. M. H. Elnagdi, A. W. Erian, A. Z. Elassar, A. M. El-Torgman and M. El-Mohamady, (1996) «Studies with polyfunctionally substituted thiazolines and 1,2,4 triazolines. Synthesis and chemical reactivity of 4-arylazo-2-isopropyloxy-2-thiazolin-5-ones and of 4-arylidine-2-isoproyloxy-2-thiazolin-5-ones». Phosphours, sulfur and Silicon, 116, 243-252.

 

256. A. Z. A. Elassar, Y. M. Elkholy and M. H. Elnagdi, (1996) «A novel synthesis of pyrazolo[1,2-b]phthalazines and pyrido[2`,3`:3,4]pyrazolo[1,2-b]phthalazines. A new ring system». Die Pharmazie.,51, 1-12.

 

257. N. Al-Awadi, M. H. Elnagdi, T. Mathew, I. El-Gamry and M. Abdel Khalik, (1996) «Pyrolysis of aminoacetonitriles, cyanohydrazones and cyanoacetamides. Part 1. Elimination reaction of 1-aryl-methylene-1,2-dihydro-4,6-dimethyl-2-oxopyridine-3-carbonitriles and substituted benzaldehyde cyanoacetylhydrazones». Int. J. Chem. Kinetics,28, 741-748.

 

258. N. Al-Awadi, M. H. Elnagdi, T. Mathew, I. El-Gamry and M. Abdel Khalik, (1996) «Pyrolysis of aminoacetonitriles, cyanohydrazones and cyanoacetamides. Part 2. Elimination reaction of 1-aryl-methylene-1,2-dihydro-4,6-dimethyl-2-oxopyridine-3-carbonitriles and substituted benzaldehyde cyanoacetylhydrazones». Int. J. Chem. Kinetics,28, 749-754.

 

259. N. Al-Awadi, M. H. Elnagdi, T. Mathew and I. El-Gamry, (1996) «The mechanism of thermal elimination of urea and thiourea derivatives. Part 1. Rate data for pyrolysis of N-acetylurea, N-acetylthiourea, N,N`-diacetylthiourea and N-acetylthiobenzamide». Heteroatom Chem., 7, 417-420.

 

1997

 

260. A. M. Hussein, A. A. Atalla, I. S. A. Hafez and M. H. Elnagdi, (1997) «The reaction of 4-substituted-7-aminothieno[3,4-d]pyridazines and 2-methyl-6-amino-thienopyridines-5-thione with electron poor olefins and acetylenes». Heteroatom Chem.,8, 29-34.

 

261. F. Abou-Shanab, B. J. Wakefiled and M. H. Elnagdi, (1997) «Chemistry of methyl substituted six-membered heterocyclic compounds: Synthesis of fused heterocycles».In Advances in Heterocyclic Chemistry, 68, 181-221.

 

262. A. El-Enezi, B. Al-Saleh M. H. Elnagdi, (1997) «Studies with hetroaromatic amines: The reaction of some heteroaromatic amines with 3-dimethylamino-1-substituted propanes, enaminones and cinnamonitriles». J. Chem. Res. (s), 4-5. Ibid. (m). 110-118.

 

263. F. Al-Omran, N. Al-Awadi, M. M. Abdel Khalik, K. Kaul, A. A. ElKhair and M. H. Elnagdi, (1997) «1-Substituted 3-dimethylaminoprop-2-en-1-ones as building blocks in heterocyclic synthesis. Routes to 6-aryl and 6-heteroaryl-2H-pyran-2-ones and 4-aryl-1,2-dihydropyridine-2(1H)-ones». J. Chem. Res. (s), 84-85. Ibid. (m). 601-613.

 

264. F. Al-Omran, N. Al-Awadi, A. A. ElKhair and M. H. Elnagdi, (1997) «Synthesis of new aryl and heteroaromatic substituted pyridines, pyrazoles, pyrimidines and pyrazolo[3,4-d]pyridazines». OPPI. 29, 285-292.

 

265. F. Al-Omran, M. M. Abdel Khalik, A. A. ElKhair and M. H. Elnagdi, (1997) «Studies with functionally substituted heteroaromatics: A novel route for the synthesis of 1-aryl-6-oxopyridazinones, of 1-arylpyridazin-6-imines and of 1-aryl-6-imino pyridazinals». Synthesis, 91-94.

 

266. N. Al-Awadi, M. H. Elnagdi, T. Mathew and I. El-Gamry, (1997) «The mechanism of thermal elimination of urea and thiourea derivatives. Part 2. Rate data for pyrolysis of N-acetyl-N`-phenylthiourea and N-benzoyl-N`-arylthiourea». Heteroatom Chem., 8, 63-66.

 

267. M. H. Elnagdi, S. O. Abdulla, K. M. Ghoneim, Z. M. Ebied and K. N. Kassab, (1997) «Synthesis of some coumarine derivatives as potential laser dyes». J. Chem. Res. (s), 44-45. Ibid. (m). 375-384.

 

268. A. W. Erian, Y. M. El-Kholy, E. E. Al-Arab and M. H. Elnagdi,(1997) «Polyfunctionally substituted heterocycles. Synthesis of polyfunctionally substituted phthalazines, pyrido[3,4-c]pyridazines and pyrazolo[3,4-c]pyridazines». Phosphours , sulfur and Silicon, 122, 133-141.

 

269. N. A. Al-Awadi and M. H. Elnagdi, (1997) «Gas phase thermolysis in hetero-cyclic synthesis: Gas phase elimination reaction of some substituted aminoazoles». Heteroatom Chem., 8, 293-297.

 

270. A. M. Hussein, A. A. Atalla, I. S. A. Hafez and M. H. Elnagdi, (1997) «The reaction of 4-substituted-7-aminothieno[3,4-d]pyridazines and 2-methyl-6-amino-thienopyridines-5-thione with electron poor olefins and acetylenes». Heteroatom Chem., 8, 29-34.

 

271. E. El-Taher and M. H. Elnagdi, (1997) «AMI calculation of part of the enthalpy surfaces for additions of active methylene nitriles to a,b-unsaturated nitiles». Heteroatom Chem., 8, 299-307.

 

272. S. Al-Mousawi, K. Kaul, M. A. Mohamed and M. H. Elnagdi, (1997) «Studies with condensed azines: New routes to pyrazolo[3,4-b]pyridines and pyrazolo[3,2-b] pyridines». J. Chem. Res. (s), 318-319. Ibid. (m). 2026-2038.

 

273. Y. M. El-Kholy, A. Z. A. Elassar and M. H. Elnagdi, (1997) «A novel route to polyfunctionally substituted methylpyrimidinylcarbonitriles and pyridopyrimidines». Heterocyclic Communications, 151-158.

 

274. M. H. Elnagdi, I. El-Ghamry, A. H. A. El-Rahman and E. M. Kandeel, (1997) «The reaction of phenacylmalononitrile with hydrazines: Synthesis of new pyrida-zinones and of new pyrazolo[1,5-a]pyrimidines». Gazz. Chem.Ital., 127, 791-794.

 

275. F. Abou-Shanab, M. A. Selim, B. J. Wakefiled and M. H. Elnagdi, (1997) «Studies with functionally substituted heteroaromatics: A new route to synthesis of thiopyrano[3,2-c]pyridine, thiopyrano[4,3-b]pyridine, and bipyridylderivatives». Phosphours , sulfur and Silicon, 130, 175-184.

 

 

 

 

1998

 

176. F. Al-Omran, A. A. ElKhair and M. H. Elnagdi, (1998) «A novel synthesis of 2-aminodiarylketones derivatives and of polyfunctionally substituted quinolines». OPPI. 30, 238-241.

 

277. M. H. Elnagdi, M. A. Barsy, F. M. Abdellatif and K. U. Sadek, (1998) «Studies on polyfunctionalised heteroaromatics: A novel synthesis of polyfunctionalised pyridine, pyridazine and pyrido[2,3-c]pyridazine derivatives». J. Chem. Res. (s), 26-27. Ibid. (m).

 

278. A. Z. A. Elassar, Y. M. El-Kholy and M. H. Elnagdi, (1998) «Chemistry of corotononitrile». ». J. Prakt. Chem, 340, 491-505.

 

279. F. Al-Omran, I. El-Ghamry and M. H. Elnagdi, (1998) «New spiropyran-4-ylindolidine derivatives from the reaction of 2-oxo-3-cyanomethylidene-2,3-dihy-droindoles with cyclohexane diones and phenols». OPPI. 30, 363-367.

 

280. F. Al-Omran, M. M. Abdel Khalik, A. A. ElKhair and M. H. Elnagdi,(1998) «Methyl heteroaromatic carbonitriles as building blocks for synthesis of condensed heteroaromatics: A novel synthesis of benzo[2,3]pyrano[5,4-c]pyridines, naphtho [1`,2`:2,3]pyrano[5,4-c]pyridines, pyrido[3,4-c]quinolines and of condensed pyrida-zinones». J. Chem. Res. (s), 294-295 Ibid. (m) 1201-1213.

 

281. N. Al-Awadi, M. H. Elnagdi, K. Kaul, S. Illingovan and O. M. El-Dusoqui, (1998) «Kinetics and mechanism of pyrolysis of sulphonyl hydrazones and oximes. Part 1. Contribution to reactivity from hydrazone NH-N and oxime O-N bond polarity». Tetrahedron., 54, 4633-4640.

 

282. N. Al-Awadi, M. H. Elnagdi, H. A. Al-Awadhi, and O. M. El-Dusoqui, (1998) «Gas phase kinectics of elimination reaction of pentane-2,4-dione derivatives. Part 2. Thermolysis of derivatives and analogues of 3-phenylhydrazonopentane-2,4-dione». Int. J. Chem.Kinetics, 30, 457-460.

 

283. A. W. Erian, E. A. A. Hafez, E. S. Darwish and M. H. Elnagdi,(1998) «Studies with polyfunctionally substituted heteroaromatics: Synthesis of new heterocyclic aromatic amines as potential intermediates for preparation of dyes for thermal diffusion printing». Canadian J. Chem. 76, 1038-1041.

 

284. I. S. A. Hafiz, M. E. E. Rashad, M. A. E. Mahfouz and M. H. Elnagdi,(1998) «Synthesis of new 1,3-Diphenyl-5-chloropyroles». J. Chem. Res. (s), 690-691. Ibid. (m) 2946.

 

285. A. W. Erian, F. M. Manhi, S. Zayed, F. A. Ali and M. H. Elnagdi,(1998) «Hydrazones in heterocyclic synthesis. Synthesis of 1,3,4-thiadiazole derivatives». Phosphours , sulfur and Silicon, 67, 1-13.

 

286. F. Al-Omran, A. A. ElKhair and M. H. Elnagdi,(1998) «Studies with polyfunctionally substituted heteroaromatics: A novel synthesis of substituted 4,8-diaminoisoquinolines as potential antiparasitic agent». J. Chem. Res. (s), 798-799.

 

1999

 

287. S. Al-Mousawi, K. S. George and M. H. Elnagdi, (1999) «Alkylazinylcarbo-nitriles as building blocks in heterocyclic synthesis. A route for the synthesis of 4-methyl-2-oxopyridine». Die Pharmazie, 54, 571-574.

 

288. A. Al-Etaibi, N. Al-Awadi, F. Al-Omran, M. M. Abdel Khalik and M. H. Elnagdi,(1999) «Novel C-alkylation reaction of condensed thiophenes with enaminones, enaminonitriles, ethoxymethylenemalononitrile, aryl vinyl ketones and w-nitrostyrenes». J. Chem. Res. (s), 4-5. Ibid. (m). 151.

 

289. A. Z. A. Hassanien, I. S. A. Hafiz and M. H. Elnagdi,(1999) «Utility of p-sulphonamide phenylazomalononitrile in the synthesis of polyfunctionally substituted pyrimidine, pyrazole, isoxazole and pyridazine derivatives». J. Chem. Res. (s), 8-9. Ibid. (m).129.

 

290. S. Al-Mousawi, Y. M. ElKholy, M. A. Mohammad and M. H. Elnagdi, (1999) «Synthesis of new condensed 2-amino-4H-pyran 3-carbonitriles and 2-aminoquin-oline-3-carbonitriles». OPPI. 31,305-313.

 

291. A. Al-Naggar, M. M. Abdel Khalik and M. H. Elnagdi,(1999) «Benzotriazol-1-yl acetone as building block in heterocyclic chemistry: A route to benzotriazol-1-yl pyridazines, benzotriazolyl  phthalazines and benzotriazolyl pyrolo[5,1-c]-1,2,4-triazines». J. Chem. Res. (s),654-655, Ibid, (M), 2848.

 

292. H. Behbehani, M. M. Abdel Khalik and M. H. Elnagdi,(1999) «New synthesis of substituted pyridazin-6-ones and pyridazin-6-imines». OPPI. 31, 551-557.

 

293. A. Al-Haddad, J. Mathew, A. ElKamel and M. H. Elnagdi,(1999) «Homopoly-marization of 4-propionoxy benzoic acid: A kinetic study». J. Applied Polymer Chemistry, (in press).

 

294. B. Al-Saleh, M. M. Abdel Khalik, A. Al-Enzy and M. H. Elnagdi,(1999) «Synthesis of new azoloazine derivatives: New route to 1,2,4-triazolo[4,3-c] pyrimidines, pyrazolo[1,5-c]pyridones and pyrazolo[3,4-b]pyridones». J. Chem. Res. (s), 648-649, Ibid, (M), 2801.

 

295. N. Al-Awed, M. H. Elnagdi, K. Kaul, S. Ilingovan and O. M. E. El-Dusoqui, (1999) «Kinetics and mechanism of pyrolysis of sulphonyl hydrazones and oximes. Part 2. Structural effects and molecular reactivity».J. Phys. Chem., 12, 654-658.

 

2000

 

296. M. M. Abdel-Khalik, M. H. Elnagdi, and S. M. Agamy (2000) «Studies with functionally substituted heteroaromatics: The reactivity of Functionally substituted Alkyl Azines and functionally substituted alkylazols toward aromatic diazonium salts». Synthesis, 8, 1166-1169.

 

297. B. Al-Saleh, N. Al-Awadi, H. Al-kandari, M. M. Abdel-Khalik, and M. H. Elnagdi, (2000) «Studies with 2H pyranones : synthesis of new 3-substituted-4-hydroxy-2H-pyran-2-ones». J. Chem. Res. (s), 16-17, Ibid, (M), 201-214.

 

298. Kh. M. Al-Zaydi, E. A. Hafiz, and M. H. Elnagdi, (2000) «Studies with functionally substituted heteroaromatics: a new routes for synthesis of pyridazino[2,3-a] quinazoline and pyridazino-6-imine derivatives». J. Chem. Res. (s), 154-155, Ibid, (M), 510-527.

 

299. A. M. Hussein I. S. A. Hafiz and M. H. Elnagdi, (2000) «Studies with polyfunctionally substituted heteroaromatics : The reaction of heterocyclic enaminonitriles with a,b-unsaturated nitriles». J.Chinese Chem.Soc., 47 (2), 1-4.

 

300. F. Al-Omran, N. Al-Awed, O. Yousef and M. H. Elnagdi, (2000) «New routes to 1-Functionally substituted Arylbenzotriazoles : 3-benzotriazol-1-yl-pyridazine-4-ones, 5-benzotriazol-1-yl-pyridazine-6-ones and 5-benzotriazol-1-yl-pyridazine-6-imines». J. heterocyclic Chem., 37, 167-170.

 

301. M. M. Abdel-Khalik, S. M. Agamy and M. H. Elnagdi, (2000) «Studies with 2-Arylhydrazono-3-oxopropanal : a novel route to 4-aryl-2-aryl-4,2,3-triazoles, 3-substituted 4-arylazopyrazoles, 2-disubstituted glyoxalonitrile and 3-oxoalkanonitriles.». Z. Naturforsch, 55b, 1211-1215.

 

302. N. A, AlAwadi, M. H. Elnagdi, K. Kaul and G. Chuchani (2000) «Substituent effects in the gas-phase pyrolysis of 4-(N-arylamino)-butyl acetate and 5-(N-arylamino)-1-pentyl acetate.». J. Phys. Org. Chem, 13, 675-678.

 

2001

 

303. M. H. Elnagdi, N. A, AlAwadi, A. Kumar and M. M. Abdul-Khalik, (2001) «Gas-phase pyrolysis of 2-Heteroaromatic dimethylaminoethylenes: Kinetic and mechanistic study.». Heteroatom Chem., 12, 47-51.

 

304. N. A, AlAwadi, M. H. Elnagdi, Y. A. Ibrahim, K. Kaul and A. Kumar (2001) «Efficient synthesis of 3-aroylcinnolines from aryl methyl ketones.». Tetrahedron, 57, 1609-1614.

 

305. M. M. Abdel-Khalik, and M. H. Elnagdi, (2001) «Enaminones in organic synthesis: A novel synthesis of 1,3,5-trisubstituted benzene derivatives and of 2-substituted 5-aroylpyridines.». Synthetic communications, 32, 159.

 

306. S. M. Mousawi, M. A. Mohammad and M. H. Elnagdi, (2001) «Synthesis of new pyrazolo[1,5-a]pyrimidines and pyrazolo[3,4-b]pyridines.» J. heterocyclic Chem, 38, 989-991.

 

307. M. H. Mohamed, M. M. Abdel-Khalik and M. H. Elnagdi, (2001) «Studies with functionally substituted N-alkylazoles: the reactivity of 1-(3,5-dimethyl pyrazol-1-yl) acetone toward electrophilic reagents.» J. heterocyclic Chem, 38, 685-689.

 

308. F. M. A. El-Taweel and M. H. Elnagdi, (2001) « Studies With Enaminones: Synthesis of New Coumarin-3-yl Azoles, Coumarin-3-ylAzines, Coumarin-3-ylAzoloazines, Coumarin-3-yl Pyrone and Coumarin-2-yl Benzo[b]Furans.» J. heterocyclic Chem, 38, 981-984.

 

309. S. M. Agamy, M. M. Abdel-Khalik, M. H. Mohamed and M. H. Elnagdi, (2001) « Enaminones as building blocks in heterocyclic synthesis: a new one pot synthesis of polyfunctional substituted pyridines.» Z. Naturforsch, 56b, 1074-1078.

 

310. M. M. Abdel-Khalik, S. M. Agamy and M. H. Elnagdi, (2001) «Chemistry of 2-Arylhydrazonoprpanals, novel synthesi of 1,6-dihydropyridazines and of 5-Heteroaryl substitiuted pyrazolo[1,5-a]pyrimidine and pyrazolo[3,4-b]pyridine.» Synthesis, 1861-1865.

 

311. S. M. Mousawi, M. M. Abdel-Khalik, S. El-Sheriny, E. John and M. H. Elnagdi, (2001) «Studies with enaminons: reactivity of 1,5-disubstitiuted –1,3-pentadien-3-ones toward nucleophilic reagents. A novel route to azolylazines, benzofuranals, pyranones and cinnamoyl-1,2,3-triazoles.» J. heterocyclic Chem., 38, 949-953.

 

312. B. Al-Saleh, M. M. Abdel-Khalik, E. Darwich, O. A. M. Salah and M. H. Elnagdi, (2001) «Factionally substituted alkylbenzotriazoles: Reactivity of alkylbenzotriazoles toward electrophilic and nucleophilic reagents.» heteroatom Chem., 12, .

 

313. F. A. Abu-Shanab, Y. M. ElKholy and M. H. Elnagdi, (2001) « Enaminones as bulding blocks in organic synthesis: Synthesis of new polyfunctional pyridines, condensed pyridines and penta substituted benzene.» heterocyclic Communications, 7(2), 183-192.

 

314. A. Kumar, N. A. Alawadi, M. H. Elnagdi, Y. A. Ibrahim and K. Kaul, (2001) «Gasphase pyrolysis in organic synthesis. Part 3: Novel cylization of 2-arylhydrazonopropanals into cinnolines.» Int. J. Chem. Kinet, 33(7), 402-406.

 

315. M. Abdel-Megid, M. H. Elnagdi, and A. M. Negm(2001) «Studies with 1-functionally substituted alkylazoles: Novel synthesis of functionally substituted Azolyl-1,2,4-triazoles.» J. heterocyclic Chem, 38, 1-4.

 

2002

 

316. M. M. Abdel-Khalik, and M. H. Elnagdi, (2002) «Enaminones in organic synthesis: A novel synthesis of 1,3,5-trisubstituted benzene derivatives and of 2-substituted 5-aroylpyridines.» Synthetic Commun., 32(2), 159-164.

 

317. M. H. Elnagdi, A. M. Selim, E. M. Abd El-Latif and, S. Samia (2002) «Studies on azoloylactonitriles: The reactivity of thiazole-2-yl thiadiazole-2-yl acetonitriles toward electrophilic reagents.» Phosphorus, Sulfur and Silicon, 177, 1175-1182.

 

318. B. Al-Saleh, M. M. Abdel-Khalik, A. M. Altoukhy and M. H. Elnagdi, (2002) «Enaminones in heterocylic synthesis: A new regioselective synthesis of 2,3,6- trisubstituted pyridines, 6-substituted-3-aroylpyridines and 1,3,5-triaeoyl benzenes.» J. heterocyclic Chem, 39, 1035-1038.

 

2003

 

319. S. Al-Mousawi, M. M. Abdel-Khalik, E. John and M. H. Elnagdi, (2003) «Enaminones as building blocks in heterocylic synthesis: A new approach to polyfunctionally substituted cyclohexenoazines.» J. heterocyclic Chem, 40, 689-695.

 

320. B. Al-Saleh, M. M. Abdel-Khalik, M. A. El-Apasery and M. H. Elnagdi, (2003) «N-Azolylmethyl ketones as building blocks in heterocylic synthesis: Synthesis of new poylfunctionally substituted azolylarylazophenols, azolylpyridones and azolylthiophenes.» J. heterocyclic Chem, 40, 171-175

 

321. A, A, Hassanien, S. A. S. Ghozlan and M. H. Elnagdi, (2003) «Enaminones as building blocks in organic synthesis: A novel route to poylfunctionally substituted benzonitriles, pyridines, eneylbenzotriazoles and diazepines.» J. heterocyclic Chem., 40, 225-228.

 

322. Kh. M. Al-Zaydi and M. H. Elnagdi, (2003) «Microwave assisted reaction of condensed thiophenes with poor olefins.» J. Korean Chem. Soc., 47(6), 591-596.

 

2004

 

323. M. A. Al-Shiekh, A. M. Salah El-Din, E. A. Hafez and M. H. Elnagdi, (2004) «a-Enones in heterocyclic synthesis, Part I. Classical synthetic and enviromentally friendly synthetic approaches to alkyl and acyl azoles and azines.» J. Chem. Res. 174-179.

 

324. B. Al-Saleh, H. Behbehani, M. A. El-Apasery and M. H. Elnagdi, (2004) «Enaminones as Building Blocks in Heterocyclic Synthesis: Synthesis of Polyfunctionally Substituted 3-Azolylpyridines and Azolylazoloazines via Thermal and Microwave Heating.» J. Chem. Res. 575-577.

 

325. B. Al-Saleh, M. A. El-Apasery and M. H. Elnagdi, (2004) « Studies with 3-Substituted 2-Arylhydrazono-3-oxoaldehydes: New Routes for Synthesis of 2-Arylhydrazono-3-oxonitriles, 4-Unsubstituted 3,5-Diacylpyrazoles and 4-Arylazophenols.» J. Chem. Res. 578-580.

 

326. S. A. S. Ghozlan, I. A. Abdelhamid, H. Gaber and M. H. Elnagdi, (2004) « Studies with Functionally Substituted Eenamines: Synthesis of New Amino Azolo Pyrimidines and 1,2,4-triazines.» J. Chem. Res. 789-793.

 

327. M. M. Abdelkhalik, A. M. Negm, A. I. Elkhouly and M. H. Elnagdi, (2004) «Studies with Condensed Amino-thiophenes: Further Investigation of Reactivity of Amino-thieno-coumarines and Amino-thieno-benzo[h]coumarines toward Electron-poor Olefins and Acetylenes.» Heteroatom Chemistry. 15, 502-507.

 

328. S. Almazroa, M. H. Elnagdi and A. M. Salah El-Din (2004) «Studies with Enaminones The reaction of enaminones with aminoheterocycles. A route to azolopyrimidines, azolopyridines and quinolines.» J. heterocyclic Chem, 41, 267-272.

 

329. M. M. Abdel-Khalik, A. M. Altoukhy S. M. Agamy and M. H. Elnagdi, (2004) «Enaminones as building blocks in heterocylic synthesis: new syntheses of nicotinic acid and thienopyridine derivatives.» J. heterocyclic Chem, 41, 431-434.

 

330. M. A. Al-Shiekh, A. M. Salah El-Din, E. A. Hafez and M. H. Elnagdi, (2004) « 2-Arylhydrazono-3-oxo-propanals in Heterocyclic Synthesis: Synthesis of arylazopyrazole, arylazoisoxazole and dialkyl pyridazine 5,6-dicarboxylate derivatives. New one-step synthesis of arylazopyrimidines.» J. heterocyclic Chem, 41, 647-654.

 

331. Kh. M. Al-Zaydi and M. H. Elnagdi, (2004) «Pyridopyridazines, benzimidazolopyrimidines triazolopyrimidines, 9-oxo-2,3,6,7-tetraazabicyclo [3.2.1] nona-3,7-diene and aroylcinnolines from 2-arylhydrazono-3-oxopropanals.» Z. Naturforsch., 59b, 721-725.

 

332. H. M. E. Hassaneen, H. M. Hassaneen and M. H. Elnagdi, (2004) « Enaminones in heterocycleic synthesis: A route to 4-substituted pyrazoles and condensed pyrazoles.» Z. Naturforsch.59b, 1132-1136

 

333. A, A, Hassanien, S. A. S. Ghozlan and M. H. Elnagdi, (2004) «Studies with functionally substituted methylbenzotriazoles: Novel synthesis of functionally substituted pyrazolo[5,1-c]-1,2,4-triazines benzotriazol-1-yl, 1-pyrazol-4-yl benzotriazoles and 1-isoxzaol-4-ylbenzotriazoles.» J. Chin Chem. Soc., 51, 575-579.

 

 

 

334. Kh. M. Al-Zaydi R. M. Borik and M. H. Elnagdi, (2004) «2-Arylhydrazonopropanals as building blocks in heterocylic chemistry: Microwave assisted condensation of 2-arylhydrazonopropanals with amines and active methylene reagents.» Molecules, 8, 910-923.

 

2005

 

335. B. Al-Saleh, M. M. Abdelkhalaik, M. A. El-Apasery, and M. H. Elnagdi, (2005) « Studies with condensed thiophenes: Reactivity of condensed aminothiophenes toward carbon and nitrogen electrophiles.» J. Chem. Res. 23-26. 

 

336. H. F. Anwar, N. H. Metwally, H. Gaber and M. H. Elnagdi, (2005) « Microwaves in organic syntheses the behavior of 4-alkoxymethylene-2-phenyl-4H-oxazol-5-one and 4-dimethyl-aminomethylene-2-phenyl-4H-oxazol-5-one toward nitrogen nucleophile under microwave heating. » J. Chem. Res. 29-31.

 

337. B. Al-Saleh, M. A. El-Apasery and M. H. Elnagdi, (2005) « Synthesis of new Azolyl azoles and azinyl azoles.» J. heterocyclic Chem, 42, 483-486.

 

338. S. O. Abdallah, N. H. Metwally, H. F. Anwar, and M. H. Elnagdi, (2005) « Synthesis and chemical reactiviity of 3-oxo-2-acylhydrazonopropane nitrile » J. heterocyclic Chem, 42, 781-786.

 

339. B. Al-Saleh, M. A. El-Apasery, R. S. Abdel-Aziz and M. H. Elnagdi, (2005) « Enaminones in Heterocyclic synthesis: Synthesis and chemical reactivity of 3-anilino-1-substituted-2-propen-1-one .» J. heterocyclic Chem, 42, 561-566.

 

340. S. A. S. Ghozlan, I. A. Abdelhamid, H. Gaber and M. H. Elnagdi, (2005) « Studies on Eenaminonitriles: A new synthesis of 1,3-substituted pyrazole-4-carbonitrile.» J. heterocyclic Chem, 42, 1185-1189.

 

2006

 

341. B. Al-Saleh, S. Makhseed, H. M. E. Hassaneen and M. H. Elnagdi, (2006) « Studies with Functionally Substituted Enamienes: The Reactivity of Enaminals and Enaminoesters Toward Naphthoquinone, Hydrazonoyl Halides, Aminoazoles and Hippuric Acid .» Synthesis, 59-62.

 

342. B. Al-Saleh, S. Makhseed, H. M. E. Hassaneen and M. H. Elnagdi, (2006) « Studies with 2-arylhydrazononals: Synthesis and chemical reactivity of mesoxaldehyde 2-arylhydrazones and of ethyl-2-arylhydrazono-3-oxopropionate .» » J. Chem. Res., (in press).

 

343. H. M. E. Hassaneen, T. A. Abdalla, H. M. Hassaneen and M. H. Elnagdi, (2006) «Functionally Substituted Enamines As Building Blocks in Heterocyclic Synthesis: Reactivity of Glyoxaldiphenylhydrazone Toward Electrophilic Reagents .» » J. Chem. Res., (in press).

 

344. O. M. E. El-Dusouqui, M. M. Abdelkhalik, N. A. Al-Awadi, H. H. Dib, B. J. George and
 M. H. Elnagdi, (2006) «Chemistry of 2-Arylhydrazonals: Utility of Substituted 2-Arylhydrazono-3-oxoalkanals as Precursors for 3-Oxoalkanonitriles, 3-Aminoisoxazole, and 1,2,3- and 1,2,4-Triazoles.» » J. Chem. Res., 291-298.

 

345. A. M. Salaheldin, N. F. AbdelAziz, I. A. Abdelshafi and M. H. Elnagdi, (2006) «Studies with enamines: Synthesis and Chemical reactivity of ethyl 3-diethylamino-2-(4-nitrophenyl)acrylate.» » J. Chem. Res., (in press).

 

346. R. M. Abdel-Motaleb, A. A. Makhloof, H. M.Ibrahim and M. H. Elnagdi, (2006)  «Studies With 3-Functionally Substituted 2-Arylhydrazononitriles: A New Route to 3-Substituted-2-Arylhydrazononitriles, 4-Amino-pyrazole-5-carbonitriles, Azadienes and Cinnolines.» » J. heterocyclic Chem., (in press).

 

 

 

 

 

 

 

 

 

 

 

List of Publications (2007 – 2008)

Of Prof. M. H. Elnagdi

 

1-  Ghozlan, Said A. S.; Abdelhamid, Ismail A.; Hassaneen, Hamdi M.; Elnagdi, Mohamed H. (2007).  Studies with enamines and azaenamines: a novel efficient route to 6-amino-1,4-dihydropyridazines and their condensed derivatives.    Journal of Heterocyclic Chemistry, 44(1), 105-108. 

2-  Abdel-Motaleb, Ramadan Maawad; Abdel-Salam Makhloof, Abdel-Moneim; Ibrahim, Hamada Mohamed; Elnagdi, Mohamed Hilmy. (2007)  Studies with azoles and benzazoles: a novel simple approach for synthesis of 3-functionally substituted 3-acylindoles.    Journal of Heterocyclic Chemistry  ,  44(1),  109-114. 

3-   Makhseed, Saad; Hassaneen, Huwaida M. E.; Elnagdi, Mohamed H. (2007)  Studies with 2-(arylhydrazono)aldehydes: Synthesis and chemical reactivity of mesoxalaldehyde 2-arylhydrazones and of ethyl 2-arylhydrazono-3-oxopropionates.    Zeitschrift fuer Naturforschung, B: Chemical Sciences,  62(4),  529-536. 

4-    Al-Matar, Hamad M.; Riyadh, Sayed M.; Elnagdi, Mohamed H. (2007), Studies with enamines: reactivity of N,N-dimethyl-N-[(E)-2-(4-nitrophenyl)-1-ethenyl]amine towards nitrilimine and aromatic diazonium salts. Journal of Heterocyclic Chemistry,  44(3),  603-607. 

5-   Aziz, Suzan Ibrahim; Anwar, Hany Fakhry; Fleita, Daisy Hanna; Elnagdi, Mohamed Hilmy. (2007)  Studies with 2-arylhydrazononitriles: a novel simple, efficient route to 5-acyl-2-substituted-1,2,3-triazol-4-amines. Journal of Heterocyclic Chemistry,  44(3),  725-729. 

6-   Mohamed, Nadia Ragab; El-Saidi, Manal M. T.; Ali, Yasser Mahmoud; Elnagdi, Mohamed Hilmy. (2007) Utility of 6-amino-2-thiouracil as a precursor for the synthesis of pyrido[2,3-d]pyrimidines and their in vitro and in vivo biological evaluation.    Scientia Pharmaceutica,  75(1),  9-28. 

7-   Aziz, Suzan Ibrahim; Anwar, Hany Fakhry; El-Apasery, Morsy Ahmed; Elnagdi, Mohamed Hilmy. (2007)  Studies with pyridazines and condensed pyridazines: routes for synthesis of 3-amino-5-aryl-2,5-dihydro-pyridazine, 10aH-pyridazino[1,6-a]quinazoline and thieno[3,4-d]pyridazinone. Journal of Heterocyclic Chemistry,  44(4),  877-881.

8-   Al-Matar, Hamad M.; Riyadh, Sayed M.; Elnagdi, Mohamed H. (2007), 2-Arylhydrazononitriles in heterocyclic synthesis: a novel route to 1,3-diaryl-1,2,4-triazol-5-amines via a Tiemann rearrangement of arylhydrazonoamidoximes.    ARKIVOC, (13), 53-62. 

9-   Mohamed, Nadia Ragab; El-Saidi, Manal Mohamed Talaat; Ali, Yasser Mahmoud; Elnagdi, Mohamed Hilmy. (2007)  Utility of 6-amino-2-thiouracil as a precursor for the synthesis of bioactive pyrimidine derivatives.    Bioorganic & Medicinal Chemistry,  15(18),  6227-6235. 

10- Ibrahim, Hamada Mohamed; Makhseed, Saad; Abdel-Motaleb, Ramadan Maawad; Abdel-Salam Makhlouf, Abdel-Moneim; Elnagdi, Mohamed Hilmy. (2007)  Utility of cyanoacetamides as precursors to pyrazolo[3,4-d]pyrimidin-4-ones, 2-aryl-6-substituted 1,2,3-triazolo[4,5-d]pyrimidines and pyrazolo[1,5-a]pyrimidine-3-carboxamides.    Heterocycles ,  71(9),  1951-1966. 

11- Al-Awadi, Nouria A.; Abdelhamid, Ismail Abdelshafy; Al-Etaibi, Alya M.; Elnagdi, Mohamed Hilmy. (2007)  Gas-phase pyrolysis in organic synthesis: rapid green synthesis of 4-quinolinones.    Synlett,,   (14),  2205-2208. 

12-  Al-Zaydi, Khadijah M.; Borik, Rita M.; Elnagdi, Mohamed H. (2007),  Studies with enaminones: formation of a N,O-cyclicacetal on coupling of 3-dimethylamino-1-hydroxyphenyl-2-propenone with arenediazonium salts.  Journal of Heterocyclic Chemistry,  44(5),  1187-1189. 

13- Al-Shiekh, Mariam A.; Medrassi, Hanady Y.; Elnagdi, Mohamed H.; Hafez, Ebtisam A. (2007) Substituted hydrazonals as building blocks in heterocyclic synthesis: a new route to arylhydrazonocinnolines.   Journal of Chemical Research,,   (7),  432-436. 

14-  Mohamed, Nadia Ragab; El-Saidi, Manal Mohamed Talaat; Ali, Yasser Mahmoud; Elnagdi, Mohamed Hilmy. (2007)  Microwaves in organic synthesis: facile synthesis of biologically active pyridazinone and iminopyridazine derivatives.    Journal of Heterocyclic Chemistry, 44(6), 1333-1337. 

15-  Hussein, A. M.; Ishak, E. A.; Atalla, A. A.; Hafiz, S. Abdel; Elnagdi, M. H. (2007)  Phenylacetone as Building Blocks in Heterocyclic Synthesis: Synthesis of Polyfunctionally-Substituted Pyridines, and fused Pyridines.  Phosphorus, Sulfur and Silicon and the Related Elements, 182(12), 2897-2917. 

16-  Riyadh, Sayed M.; Abdelhamid, Ismail A.; Ibrahim, Hamada M.; Al-Matar, Hamad M.; Elnagdi, Mohamed H. (2007), Chemistry of hydrazonoalkanenitriles.    Heterocycles,  71(12),  2545-2586. 

17- Abdelhamid, Ismail Abdelshafy; Ghozlan, Said Ahmed Soliman; Kolshorn, Heinz; Meier, Herbert; Elnagdi, Mohamed Hilmy. (2007)  Studies using (E)-6-oxo-1-aryl-4-(2-N-piperidinyl)vinyl-1,6-dihydropyridazine-5-carbonitrile. Heterocycles, 71(12), 2627-2637. 

18- Al-Awadi, Nouria A.; Abdelkhalik, Mervat M.; Abdelhamid, Ismail A.; Elnagdi, Mohamed H. (2007), Pyrolytic methods in organic synthesis: novel routes for the synthesis of 3-oxoalkanenitriles, 2-acyl anilines, and 2-aroyl anilines.   Synlett, (19), 2979-2982. 

19-  Al-Mousawi, Saleh Mohammed; Moustafa, Moustafa Sherief; Elnagdi, Mohamed Hilmy; Studies with 2-arylhydrazononitriles: further investigations on the utility of 2-arylhydrazononitriles as precursors to 1,2,3-triazole amines,  Journal of Chemical Research, 2007, 9, 515-518.

20- Al-Mousawi, Saleh; Moustafa, Moustafa Sherief; Elnagdi, Mohamed Hilmy. (2008), Studies with enamines: Functionally substituted enamines as aldehyde equivalents in Gewald reactions.    ARKIVOC,   (10),  17-25.

21- Al-Mousawi, Saleh M.; El-Apasery, Morsy A.; Al-Kandery, Najat; Elnagdi, Mohamed H. (2008),  Synthesis of 3-arylazo-6-oxopyridazin-5-carbonitriles: a versatile precursor for condensed arylazopyridazin-6-ones. Journal of Heterocyclic Chemistry, 45(2),  359-364.

22-  Ismail Abdelshafy Abdelhamid, Said Ahmed Soliman Ghozlan, and Mohamed Hilmy Elnagdi (2008), Alkyl heteroaromatic as precursors to polycyclic heteroaromatics: Recent developments, ARKIVOC, (x), 54-84.

23-   Riyadh, Sayed M.; Abdelhamid, Ismail A.; Al-Matar, Hamad M; Noha M. Hilmy; Elnagdi, Mohamed H. (2008), Enamines as precursors to ployfunctional heteroaromatics compounds: A Decade of development  Heterocycles, 75, 1849-1905.

24-  Elnagdi, Mohamed H; Al-Awadi, Nouria A.; Abdelhamid, Ismail A.; (2008), Recent developments in pyridazine and condensed pyridazine synthesis, Advances, 2008, 10, 555-667.

25-  Elnagdi, Mohamed H; Al-Awadi, Nouria A.; Abdelhamid, Ismail A.; (2008), Bicyclic 5-6 Systems: Other four Heteroatoms 2:2, COMPREHENSIVE HETEROCYCLIC CHEMISTRY II  (in press).

26-   Saleh Mohammed Al-Mousawi,  Morsy Ahmed EL-Apasery, and Mohamed Hilmy Elnagdi (2008), Studies with Condensed Aminothiophenes: Microwave Assisted Cycloaddition Reactions of Thieno[3,4-d]pyridazinone and Thieno[3,4-c]quinolinone, Heterocycles, 7(5), 1151-1161. 

27-    Saleh Mohammed Al-Mousawi,  Moustafa Sherief Moustafa, and Mohamed Hilmy Elnagdi (2008),  Studies with Malononitrile Derivatives: Synthesis and Reactivity of 4-Benzylpyrazole-3,5-diamine, 4-Benzylisoxazole-3,5-diamine and Thiazolidin-3-phenylpropanenitrile, Heterocycles, 1371-1383.

28-    Nouria Al-Awadi, Maher Riyadh, Ismail Abdelshafy and M. H. Elnagdi, Tetrhedron, (2008), 64, 8202-8205. 

29-    Ayat Elkholy, F. Al-qalaf and M. H. Elnagdi, “Regio-orientation in condensation of aminopyrazoles with 1,3-difunctional; reagents: synthesis of new pyrazolo[1,5-a]pyrimidines; pyrazolo[3,4-d]pyridazines and 2,4-dihydropyrano[2,3-c]pyrazoles”, Arkivock (in press).

 

 

 

  

 

 

 

 

 

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