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Featured researches published by G. H. Labib.


Journal of Heterocyclic Chemistry | 1987

Access to the 2,3-dihydropyridazin-3-one and as-triazino[3,4-a]phthalazine ring systems from 4-aryl-2-oxo-butanoic acids†

El-Sayed H. El-Ashry; Adel Amer; G. H. Labib; Mohamed M. Abdel Rahman; Abdel Monem El‐Massry


Carbohydrate Research | 1976

Exceptional oxidation, with copper ion, of the bis-[(o-chlorophenyl)hydrazone] of l-threo-2,3-hexodiulosono-1,4-lactone

El Sayed H. El Ashry; G. H. Labib; Yeldez El Kilany


Bulletin of the Chemical Society of Japan | 1988

Synthesis of γ-butyrolactones, quinoxalines, and azauracils from 4-aryl-2-oxobutanoic acid derivatives

G. H. Labib; M. Abdel Rahman; Y. El-Kilany; A. I. El-Massry; E. S. H. El-Ashry


Carbohydrate Research | 1986

Synthesis of p-fluorophenylflavazoles from dehydro-d-isoascorbic acid

El Sayed H. El Ashry; Mohamed M. Abdel Rahman; G. H. Labib; Abdel Monem El‐Massry; Ali Mofti


Carbohydrate Research | 1967

The formation of D-arabino-hexosulose bis(semicarbazone) and bis(benzoylhydrazone)

H. El Khadem; G. H. Labib; Mina A. Nashed


Carbohydrate Research | 1968

Cyclic forms of monosaccharide benzoylosazones

H. El Khadem; M.H. Meshreki; G. H. Labib; Mina A. Nashed


Bulletin of the Chemical Society of Japan | 1988

Ketoacids and lactones. Part 2. Synthesis of .GAMMA.-butyrolactones, quinoxalines, and azauracils from 4-aryl-2-oxobutanoic acid derivatives.

G. H. Labib; M. Abdel Rahman; Y. El-Kilany; A. I. El-Massry; E. S. H. El-Ashry


ChemInform | 1987

Heterocycles from Carbohydrate Precursors. Part 28. Synthesis of p-Fluorophenylflavazoles from Dehydro-D-isoascorbic Acid.

El Sayed H. El Ashry; Mohamed M. Abdel Rahman; G. H. Labib; A. M. El-Massry; A. Mofti


ChemInform | 1979

THE SCOPE OF THE REACTIONS OF HYDRAZINES AND HYDRAZONES. PART VI. REACTION OF F HYDRAZINES WITH DIMEDONE

El Sayed H. El Ashry; G. H. Labib; Mohamed Shaban; F. El Sayed


Journal of The Chemical Society (resumed) | 1964

432. The scope and mechanism of carbohydrate osotriazole formation. Part XII. Anhydro- and other triazole derivatives

H. El Khadem; M. H. Meshreki; G. H. Labib

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H. El Khadem

Michigan Technological University

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Adel Amer

Alexandria University

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H. El Khadem

Michigan Technological University

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