Abstract
There action of α-hydroxyacid hydrazides and orthoesters in ethano1-acetic acid solution has been studied and aseries of 4-acylamino-1,2,4-triazoles has been obtained as the final products. Some acyclic intermediates: 1-acyl-2-ethoxymethylenehydrazines and N,N′–bis(methanecarbonylamino) formamidine derivative have been also separated during the process. The structures of products was confirmed by typical spectro-scopicmethods and X-ray analysis.
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