Synthesis of some New Dihydropyrimidines Derivatives by Cyclization of
Polarized Unsaturated Systems

Faculty	Science	Year:	2018
Type of Publication:	ZU Hosted	Pages:	5
Authors:	Mohamed Hassan Mohamed Abdel Azeem Staff Zu Site Abstract In Staff Site
Journal:	J. Heterocyclic Chem USA	Volume:

Keywords :	Synthesis , some , Dihydropyrimidines Derivatives , Cyclization of Polarized
Abstract:	Reaction of benzylidene cyanoester 1 with thiosemicarbazide, cyanoacetamide, urea and thiourea was resulted in triazepine 2, pyridine 5, oxopyrimidine 6, and thiooxopyrimidine 8, respectively. Triazepine 2 was reacted with chloroacetic ac

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