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Ennminonitrile in Heterocyclic Synthesis: Synthesis and Reactions of Some Pyrimidine Derivatives

H. H. Abdel-Razik and S. B. Said

Department of Chemistry, Faculty of Science, Mamsoura University, New Damietta 34517, Egypt



Received: 28 October 2002

Abstract: Several new pyrimidine derivatives were synthesized by the reaction of β-trichloronlethyl-β-enamino ester with urea, thiourea or some amidines in the presence of triethylamine. They were further subjected to ring formation affording pyrimido [4,5-d]pyrimidine, pyrazolo[3,4-d]pyrimidine, thiazolo[2,3-b]pyrimidine and its arylidene 1,4,6,8,9,10a-hexaphenanthrene derivatives.

Full paper in Portable Document Format: 583a209.pdf


Chemical Papers 58 (3) 209–213 (2004)

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