JOURNAL of the Tunisian Chemical Society

serving the Research, the Education and the Industry

Simultaneous reaction of hydrazins and orthoesters on imidates

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N-(2-cyanophenyl) imidates 1a and 2-cyanocrotonoimidates 1b react with hydrazines to produce respectively 3-amino-4-iminoquinazolines 3a and 3-amino-4-iminopyrimidines 3b. Treatment of these products with orthoesters yields (1,2,4)triazolo(1,5,c) quinazolines 6a and (1,2,4)triazolo(1,5,c)pyrimidines 6b. The types of product obtained gave information relevant to the elucidation of the mechanism of cyclisation.

M.L. Benkhoud, H. Mraïhi, B. Baccar

Pages 145-151

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