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51

α, β-Unsaturated Nitriles in Heterocyclic Synthesis: The Reaction of β-(2-Furanyl)- and β-(2-Thienyl)acrylonitrile with Active Methylene Reagents

Nabih Saddik Girgis, Galal Eldin Hamza Elgemeie, Galal Abdel Moein Nawar, Mohamed Hilmy Elnagdi

Journal:

European Journal of Organic Chemistry

Year:

1983

Language:

english

File:

PDF, 342 KB

english, 1983

52

Studies on 3,5-diaminopyrazoles: New routes for the synthesis of new pyrazoloazines and pyrazoloazoles

Hassan Attia Elfahham, Galal Eldin Hamza Elgemeie, Yusria Rizk Ibraheim, Mohamed Hilmy Elnagdi

Journal:

European Journal of Organic Chemistry

Year:

1988

Language:

english

File:

PDF, 403 KB

english, 1988

53

Glycosides of Heterocycles: A Direct Route to 1-(β-D-Glycopyranosyl)pyridinethione Nucleosides

Galal E. H. Elgemeie, Adel M. E. Attia, Nahed M. Fathy

Journal:

European Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 296 KB

english, 1994

54

Synthesis of some N-hexopyranosyl-2-pyridones and -2-pyridinethiones

Adel M.E. Attia, Galal E.H. Elgemeie

Journal:

Carbohydrate Research

Year:

1995

Language:

english

File:

PDF, 293 KB

english, 1995

55

Rearrangement studies on 1-tetralylidenecyanothioacetamide: A different novel synthetic routes to strong fluorescent phenanthridine and phenanthrene analogues

Galal E.H. Elgemeie, Nahed M. Fathy

Journal:

Year:

1995

Language:

english

File:

PDF, 256 KB

english, 1995

56

A convenient synthesis of 5-deaza nonclassical antifolates: Reaction of cyanothioacetamide with sodium salts of 2-(hydroxymethylene)-1-cycloalkanones

Galal E.H. Elgemeie, Badria A.W. Hussain

Journal:

Year:

1994

Language:

english

File:

PDF, 395 KB

english, 1994

57

Studies on aminoazoles: Synthesis of Pyrazolo[1,5-a]-pyrimidines and their aza derivatives

Dr. Galal H. Elgemeie, Dr. Ahmed H. Elghandour, Dr. Hamdy M. Elshimy

Journal:

Advanced Synthesis & Catalysis

Year:

1989

Language:

english

File:

PDF, 436 KB

english, 1989

58

Studies on 5-aminoisoxazole derivatives: Synthesis of some new fused isoxazoles

Fatma Abd-Elmaksoud Abd-Elaal, Mona Mostafa Hussein, Mohamed Helmy Elnagdi, Galal Eldin Hamza Elgemeie

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1984

Language:

english

File:

PDF, 279 KB

english, 1984

59

Activated nitriles in heterocyclic synthesis: Synthesis of 6-thiophen-2-yl and 6-furan-2-ylthiazolo[2,3—a]pyridine derivatives

Soad Abdel Meguid Osman, Galal Eldin Hamza Elgemeie, Galal Abdel Moein Nawar, Mohamed Hilmy Elnagdi

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1986

Language:

english

File:

PDF, 274 KB

english, 1986

60

Synthesis of Structurally Related Purines: Benzimidazo[1,2-a]pyridines, Benzimidazo-[1,2-c]pyrimidines, and Pyrazolo-[1,5-a]pyrimidines

Galal H. Elgemeie, Nadia H. Metwally

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2000

Language:

english

File:

PDF, 96 KB

english, 2000

61

Synthesis of some novel condensed pyridine-2(1H)-thiones and related glycosides

Adel M. Attia, Galal H. Elgemeie, Lamies A. Shahada

Journal:

Year:

1997

Language:

english

File:

PDF, 434 KB

english, 1997

62

Nitriles in Heterocyclic Synthesis: Novel Syntheses of Benzo[g]imidazo[1,2-c]pyrimidines and Benzo[g]imidazo[1,2-a]pyridine Derivatives

A. M. Nawwar, Galal, Ahmed Hammad, Mohmoud, Abdel Moien Nawwar, Galal, Eldin Hamza Elgemeie, Galal, Hilmy Elnagdi, Mohamed

Journal:

Year:

1985

Language:

english

File:

PDF, 98 KB

english, 1985

63

Amino Acids in Heterocyclic Synthesis: Novel Synthesis of Pyrano[2,3‐c]pyrazoles, Pyrazolo[3,4‐b]pyridine, and Pyrido[1,2‐a]benzimidazoles

Elgemeie, Galal H., Elghandour, Ahmed H., Hussein, Ahmed M.

Journal:

Synthetic Communications

Year:

2004

Language:

english

File:

PDF, 173 KB

english, 2004

64

NOVEL 2-THIOXOHYDANTOIN KETENE DITHIOACETALS: VERSATILE INTERMEDIATES FOR SYNTHESIS OF METHYLSULFANYLIMIDAZO- [4,5-C]PYRAZOLES AND METHYLSULFANYLPYRROLO- [1,2-C]IMIDAZOLES

Ali, Hosny A., Hussein, Ahmed M., Elgemeie, Galal H., Elghandour, Ahmed H.

Journal:

Synthetic Communications

Year:

2002

Language:

english

File:

PDF, 128 KB

english, 2002

65

Recent Developments in Chemistry of 3(5)-Aminopyrazoles

H. Elnagdi, Mohamed, M. Abdel-Galil, Fathy, Y. Riad, Bahia, Eldin Hamza Elgemeie, Galal

Journal:

Year:

1983

Language:

english

File:

PDF, 607 KB

english, 1983

66

Novel Synthesis of a New Class of Polynuclear Pyridinethione Nucleosides

Elgemeie, Galal E. H., Attia, Adel M. E., Fathy, Nahed M.

Journal:

Nucleosides and Nucleotides

Year:

1997

Language:

english

File:

PDF, 429 KB

english, 1997

67

Novel Synthesis of Condensed Pyridinethione Carbocyclic Glycosides

Elgemeie, Galal E. H., Attia, Adel M. E.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1994

Language:

english

File:

PDF, 315 KB

english, 1994

68

DESIGN AND SYNTHESIS OF A NEW CLASS OF N -ARYLSULFONYLAMINATED PYRIDONES

Elgemeie, Galal H., Elghandour, Ahmed H., Elzanate, Ali M., Masoud, Wafaa A.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

2000

Language:

english

File:

PDF, 260 KB

english, 2000

69

Synthesis of some novel α-cyanoketene S,S-acetals and their use in heterocyclic synthesis

Elgemeie, Galal H., Elghandour, Ahmed H., Elzanate, Ali M., Ahmed, Sayed A.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1997

Language:

english

File:

PDF, 99 KB

english, 1997

70

A New Class of Dihydropyridine Thioglycosides via Piperidinium Salts

Attia, Adel M., Elgemeie, Galal H.

Journal:

Synthetic Communications

Year:

2003

Language:

english

File:

PDF, 237 KB

english, 2003

71

Nitroles in Heterocyclic Synthesis: New Routes for Synthesis of Pyran, Pyridine and Pyrrole Derivatives

A. M. Nawwar, Galal, A. Osman, Saad, A. M. El-Bayouki, Khairy, E. H. Elgemeie, Galal, H. Elnagdi, Mohamed

Journal:

Year:

1985

Language:

english

File:

PDF, 111 KB

english, 1985

72

Novel Synthesis of Pyrido[2,1-B]Benzothiazoles and 1,3-Benzothiazole Derivatives

Elgemeie, Galal H., Shams, Hoda Z., Elkholy, Yehya M., Abbas, Neermeen S.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

2000

Language:

english

File:

PDF, 302 KB

english, 2000

73

Novel Cyanoketene N , S ‐Acetals and Pyrazole Derivatives using Potassium 2‐Cyanoethylene‐1‐thiolates

Elgemeie, Galal H., Elghandour, Ahmed H., Elaziz, Ghada W. Abd

Journal:

Synthetic Communications

Year:

2007

Language:

english

File:

PDF, 88 KB

english, 2007

74

Reactions of Sodium Salts of 3-(Hydroxymethylene)alkan-2-ones with Enamines: Synthesis of Polysubstituted Pyridines

Elgemeie, Galal H., Metwally, Nadia H.

Journal:

Journal of Chemical Research

Year:

1999

Language:

english

File:

PDF, 92 KB

english, 1999

75

True symmetry or pseudosymmetry: 5-amino-1-(4-methylphenylsulfonyl)-4-pyrazolin-3-one and a comparison with its 1-phenylsulfonyl analogue

Elgemeie, Galal H., Sayed, Shahinaz H., Jones, Peter G.

Journal:

Acta Crystallographica Section C Crystal Structure Communications

Year:

2013

Language:

english

File:

PDF, 486 KB

english, 2013

76

Novel Synthesis of N -Aroylaminated Pyridones via Reaction of Ketene Dithioacetals with Cyanoaceto- N -aroylhydrazides

Elgemeie, Galal H., Elghandour, Ahmed H., Elzanate, Ali M., Abd Elaziz, Ghada W.

Journal:

Synthetic Communications

Year:

2003

Language:

english

File:

PDF, 180 KB

english, 2003

77

New Trends in Synthesis of Pyrazole Nucleosides as New Antimetabolites

Elgemeie, Galal H., Zaghary, Wafaa A., Amin, Kamelia M., Nasr, Tamer M.

Journal:

Nucleosides Nucleotides & Nucleic Acids

Year:

2005

Language:

english

File:

PDF, 465 KB

english, 2005

78

A NEW CLASS OF BIHETEROCYCLIC THIOGLYCOSIDES FROM PYRIDINE-2-(1 H )-THIONES

Elgemeie, Galal H., Ahmed, Mona A.

Journal:

Nucleosides Nucleotides & Nucleic Acids

Year:

2002

Language:

english

File:

PDF, 174 KB

english, 2002

79

THE DESIGN AND SYNTHESIS OF STRUCTURALLY RELATED MERCAPTOPURINE ANALOGUES: REACTION OF DIMETHYL N -CYANO-DITHIOIMINOCARBONATE WITH 5-AMINOPYRAZOLES

Elgemeie, Galal H., El-Ezbawy, Samia R., El-Aziz, Hany A.

Journal:

Synthetic Communications

Year:

2001

Language:

english

File:

PDF, 149 KB

english, 2001

80

First Synthesis of N ‐Substituted Amino and N ‐Sulfonylaminated Methylthiopyrimidines: Reaction of Dimethyl N ‐Cyanodithioiminocarbonate With Substituted Hydrazides

Elgemeie, Galal H., Sood, Soha A.

Journal:

Synthetic Communications

Year:

2006

Language:

english

File:

PDF, 120 KB

english, 2006

81

A Novel Synthesis of N -Aryl-6-methylsulfanyl-4-pyrimidinones and Purine Analogues: The Reaction of Dimethyl N -Cyanodithioiminocarbonate with Cyanoacetanilides

Elgemeie, Galal H., El-Ezbawy, Samia R., Sood, Soha A.

Journal:

Synthetic Communications

Year:

2003

Language:

english

File:

PDF, 165 KB

english, 2003

82

First Synthesis of Thiophene Thioglycosides

Elgemeie, Galal H., Zaghary, Wafaa A., Amin, Kamelia M., Nasr, Tamer M.

Journal:

Journal of Carbohydrate Chemistry

Year:

2009

Language:

english

File:

PDF, 185 KB

english, 2009

83

Novel Mercaptopurine and Thioguanine Analogues: The Reaction of Dimethyl N ‐Cyanodithioiminocarbonate with Oxo‐ and Amino‐diazoles

Alqaradawi, Siham Y., Elgemeie, Galal H.

Journal:

Synthetic Communications

Year:

2004

Language:

english

File:

PDF, 169 KB

english, 2004

84

α‐Cyanodithioic Acids and Their Corresponding Mono‐ and Dithiolate Salts as Building Blocks for the Synthesis of Novel Mercaptothiophenes

Elgemeie, Galal H., Mohamed, Mohamed A.

Journal:

Synthetic Communications

Year:

2006

Language:

english

File:

PDF, 130 KB

english, 2006

85

SYNTHESIS OF SEVERAL N-SUBSTITUTED AMINO-2-PYRIDONES

Elgemeie, Galal E. H., El-Ezbawy, Samia R., Ali, Hosny A., Mansour, Abdel-Kader

Journal:

Organic Preparations and Procedures International

Year:

1994

Language:

english

File:

PDF, 234 KB

english, 1994

86

Novel synthesis of pyrazolo[5,1-c]-1,2,4-triazoles, imidazo[1,2-b]pyrazoles, and [1,2,4]-triazolo[4,3-a]benzimidazoles. Reaction of nitrite imines with amino- and oxo-substituted diazoles

Elfahham, Hassan Attia, Sadek, Kamal Usef, Elgemeie, Galal Eldin Hamza, Elnagdi, Mohamed Hilmy

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 363 KB

english, 1982

87

Unexpected products of the reaction of cycloalkylidene(cyano)thioacetamides with arylmethylenemalononitriles: a different novel synthetic route to condensed pyridine-2(1H)-thiones and condensed carbocyclic nitriles

Elgemeie, Galal Eldin Hamza, Regaila, Hassan Abdla, Shehata, Nadia

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1990

Language:

english

File:

PDF, 348 KB

english, 1990

88

Potassium 2‐Cyanoethylene‐1‐thiolate Derivatives: A New Preparative Route to 2‐Cyanoketene S , N ‐Acetals and Pyrazole Derivatives

Elgemeie, Galal H., Elghandour, Ahmed H., Abd Elaziz, Ghada W.

Journal:

Synthetic Communications

Year:

2004

Language:

english

File:

PDF, 165 KB

english, 2004

89

ACTIVATED NITRILES IN HETEROCYCLIC SYNTHESIS: NOVEL SYNTHESIS OF PYRIDINE, BENZO[1,4]THIAZINE AND BENZO [1,3]THIAZOLE DERIVATIVES

Elgemeie, Galal Eldin Hamza, Elghandour, Ahmed Hafez Hussein

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1990

Language:

english

File:

PDF, 211 KB

english, 1990

90

Activated nitriles in heterocyclic synthesis: a one-step synthesis of several new pyrimidine, pyridine, and pyrazole derivatives

Fathy, Nahed M., Elgemeie, Galal H.

Journal:

Journal of Chemical & Engineering Data

Year:

1988

Language:

english

File:

PDF, 193 KB

english, 1988

91

Synthesis and dyeing properties of a new class of condensed carbocyclic arylazopyrazolo[1,5‐a] pyrimidines

Elgemeie, Galal H., Helal, Maher H., Ahmed, Kawther A.

Journal:

Pigment & Resin Technology

Year:

2003

Language:

english

File:

PDF, 404 KB

english, 2003

92

A Novel Synthesis of Thiazoles and Thiazolopyridines Using N -Cyanoacetoarylsulfonylhydrazides

Elgemeie, Galal Hamza, Sayed, Shahinaz Hassan

Journal:

Synthetic Communications

Year:

2003

Language:

english

File:

PDF, 174 KB

english, 2003

93

Nucleotides and nucleosides: direct route to condensed pyridinethione carbocyclic nucleosides related to 3-deazauridine

Elgemeie, Galal E. H., Attia, Adel M. E., Farag, Dalia S., Sherif, Sherif M.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1994

Language:

english

File:

PDF, 584 KB

english, 1994

94

Synthesis of Benzimidazole Ketene N , S -Acetals and Their Reactions with Nucleophiles

Elgemeie, Galal H., Ali, Hosny A., Elghandour, Ahmed H., Hussein, Ahmed M.

Journal:

Synthetic Communications

Year:

2003

Language:

english

File:

PDF, 194 KB

english, 2003

95

Design and Synthesis of the First Thiophene Thioglycosides

Elgemeie, Galal H., Elsayed, Shahinaz H., Hassan, Ashraf S.

Journal:

Synthetic Communications

Year:

2009

Language:

english

File:

PDF, 257 KB

english, 2009

96

REGIOSELECTIVE SYNTHESIS OF A NEW CLASS OF N-ARYLSULFONYLAMINATED BIHETEROCYCLES

Elgemeie, Galal Hamza, Sayed, Shahinaz Hassan

Journal:

Heterocyclic Communications

Year:

2002

Language:

english

File:

PDF, 966 KB

english, 2002

97

Recent trends in synthesis of five- and six-membered heterocycles using dimethyl N-cyanodithioiminocarbonate

Elgemeie, Galal H., Mohamed, Reham A.

Journal:

Heterocyclic Communications

Year:

2014

Language:

english

File:

PDF, 2.41 MB

english, 2014

98

Regioselective Synthesis of a New Class of N -Arylsulfonylaminated Biheterocycles

Elgemeie, Galal Hamza, Sayed, Shahinaz Hassan

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

2003

Language:

english

File:

PDF, 114 KB

english, 2003

99

Synthesis of 1-(β-D-Glycopyranosyl)-3-Deazapyrimidines from 2-Hydroxy and 2-Mercaptopyridines

Attia, Adel M., Elgemeie, Galal H., Alnaimi, Ibrahim S.

Journal:

Nucleosides and Nucleotides

Year:

1998

Language:

english

File:

PDF, 438 KB

english, 1998

100

A Novel and Efficient Method for the Synthesis of N-Arylsulfonylamino-2-pyridones

Elgemeie, Galal H., Elghandour, Ahmed H. H., Ali, Hosny A., Abdel-Azzez, Hassan M.

Journal:

Journal of Chemical Research

Year:

1999

Language:

english

File:

PDF, 120 KB

english, 1999