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Fathy M. A. El-Taweel

Mansoura University

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Archives of Pharmacal Research | 1990

Activated nitriles in heterocyclic synthesis: Syntheses of thiazole, pyrazole and 4H-1,4-benzothiazine derivatives

Fathy M. A. El-Taweel; Mohamed Abdel-Hadi Mashaly; Abdel Ghani Ali Elagamey

Abstract4-Arylazo-3-phenyl-5-aminopyrazoles (5a,b) and substituted hydroxythiazoles8a,b were synthesized from the reaction of4a,b with hydrazine hydrate and mercaptoacetic acid respectively. Compounds5a,b and8a,b were also obtained from coupling of2a,b with6 and7, respectively. 4H-1,4-Benzothiazine11 was prepared from1 and10. The reaction of the diazonium salts2a-c with diethyl 3-amino-2-cyanopent-2-en-1,5-dicarboxylate12 was also reported.

Collection of Czechoslovak Chemical Communications | 1988

Nitriles in heterocyclic synthesis: Novel syntheses of benzo[b]pyrans, naphtho[1,2-b]pyrans, naphtho[2,1-b]pyrans, pyrano[3,2-h]quinolines and pyrano[3,2-c]quinolines

Abdel Ghani Ali Elagamey; Salah Z. Sawllim; Fathy M. A. El-Taweel; Mohamed Hilmy Elnagdi

Collection of Czechoslovak Chemical Communications | 1990

Nitriles in heterocyclic synthesis: a novel route for the synthesis of naphthodipyrans, pyridines: 2H- and 4H-pyrans

Abdel Ghani Ali Elagamey; Fathy M. A. El-Taweel; Salah Zaki Ahmed Sowellim; Mamdouh A. Sofan; Mohamed Hilmy Elnagdi

Journal of The Chinese Chemical Society | 2002

Cyclization reactions of 5-aminopyrazoles with β-ketoesters, enamines and β-keto anilides: New synthetic routes to pyrazolo[1,5-a]pyrimidine derivatives

Fathy M. A. El-Taweel; T. M. Abu Elmaati

Journal of The Chinese Chemical Society | 2002

Studies with Alkylheterocycles: Novel Synthesis of Functionally Substituted Isoquinoline and Pyridopyridines Derivatives

Tarek M. Abu Elmaati; Fathy M. A. El-Taweel

Pharmazie | 1994

Reactions with heterocyclic amidines : synthesis of pyrazolo[3,4-e]thiazepine, pyrazolo[1,5-c] 1,2,4-triazine and pyrazolo[1,5-a]pyrimidine derivatives

M. A. Sofan; Fathy M. A. El-Taweel; T. M. Abu El-Maati; A. A. El-Agamey

Bollettino chimico farmaceutico | 1998

STUDIES WITH POLYFUNCTIONALLY SUBSTITUTED HETEROARENES : NEW SYNTHESIS OF BENZO C QUINOLINONES AND PYRANO 3,2-C QUINOLINE DERIVATIVES

Fathy M. A. El-Taweel; S. Z. A. Sowellim; A. G. Elagamey

Zeitschrift für Naturforschung B | 2004

RETRACTION NOTICE: Synthesis with Enaminones: Novel and Facile Synthesis of Indenopyrimidine, Indenopyridine, Fluorenone, and Indenopyran Derivatives

Tarek M. Abu Elmaati; Ibrahim Elghamry; Fathy M. A. El-Taweel

Zeitschrift für Naturforschung. B, A journal of chemical sciences | 2003

Synthesis with enaminones: Novel and facile synthesis of indenopyrimidine, indenopyridine, fluorenone, and indenopyran derivatives

Tarek M. Abu Elmaati; Ibrahim Elghamry; Fathy M. A. El-Taweel

Bollettino chimico farmaceutico | 2001

Synthetic routes to fluorenone, indenopyirdine, 4h-naphtho[2,1-b]pyrans and pyridine derivatives.

Fathy M. A. El-Taweel; M. A. Sofan; el-Maati Tm; A. A. El-Agamey

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Abdel Ghani Ali Elagamey

Mansoura University

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A. A. El-Agamey

Cairo University

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Tarek M. Abu Elmaati

Mansoura University

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Ibrahim Elghamry

Mansoura University

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Mohamed Hilmy Elnagdi

Cairo University

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Ahmed Ibrahim Osman

Mansoura University

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Mamdouh A. Sofan

Mansoura University

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Mohamed Abdel-Hadi Mashaly

Mansoura University

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Salah Z. Sawllim

Mansoura University

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Salah Zaki Ahmed Sowellim

Mansoura University

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