Collect. Czech. Chem. Commun.
1981, 46, 1492-1494
https://doi.org/10.1135/cccc19811492
Reactions of benzoyl isothiocyanates with 5-substituted tetrazoles
Michal Uher, Jozef Foltín, František Považanec and Jaroslav Kováč
Department of Organic Chemistry, Slovak Institute of Technology, 880 37 Bratislava
Abstract
A method of preparing 2,5-disubstituted 1,3,4-oxadiazoles from benzoyl isothiocyanates and 5-substituted tetrazoles is described. The transformation of the tetrazole into a 1,3,4-oxadiazole ring takes place readily under neutral conditions giving high yields of the desired products.