Novel in situ Formation and Rearrangement of Thiohydrazonate Esters
Abstract
Reaction of benzenediazonium chloride with 3,4-diphenyl-1,2,4-triazol-5-ylthiomethylene compounds 3 afforded the azo coupling products 4, which upon treatment with sodium ethoxide in ethanol yielded the title compounds that rearrange in situ to give the thiohydrazides 7.
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