

A CONVENIENT ROUTE TO THE 1,2,5-OXADIAZOLE-SUBSTITUTED 1,2,4-TRIAZOLO[1,5-a]PYRIMIDINE DERIVATIVES

Abstract
A convenient synthesis of 1,2,4-triazole and 1,2,4-triazolo[1,5-a]pyrimidines with 3-amino-1,2,5-oxadiazole substituent starting from available 4-amino-1,2,5-oxadiazole-3-carbohydrazide and benzoyl cyanamide has been developed.
Keywords
benzoyl cyanamide; 1,2,5-oxadiazole; 1,2,4-triazole; 1,2,4-triazolo[1,5-a]pyrimidine; catalytic addition reactions.
Latvian Institute of Organic Synthesis - Aizkraukles iela, 21, Riga, LV-1006, Latvia - hgs@osi.lv