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
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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