Abstract
The reaction of (2E)-3-(1-benzofuran-2-yl)-2-propenoic acid with 4-amino-5-R-1,2,4-triazole-3-thioles has been investigated. It has been established, that 6-[(E)-2-(1-benzofuran-2-yl)ethenyl][1,2,4]triazolo[3,4-b][1,3,4] thiadiazole were formed as the result of heterocyclization.