الفهرس 
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Abstract
Afacile Synthesis Of Bicyclic Guanidines:the reaction of 2-Aminopyrimidine with B-Arylacrylonitrile Derivatives:it has found that 2-aminopyrimidine 1reacts with the B-arylacrylonitrile derivative 2a in dioxane in the presence of a catalytic amount of piperidine to yield a 1:1 adduct.