I. Postovskii, V. Ershov, E. Sidorov
Nov 1, 1977
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Influential Citations
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Journal
Chemistry of Heterocyclic Compounds
Abstract
Ethyl benzoate thiocarbohydrazone, which exists in solution with a cis-to-trans isomer ratio of 4.5∶1, was obtained by reaction of ethyl imidobenzoate hydrochloride with thiocarbohydrazide. In polar solvents the product readily splits out a molecule of alcohol to give 3-phenyl-4-amino-1, 2,4-triazoline-5-thione and on oxidation with hydrogen peroxide in glacial acetic acid it is converted to 6,6′-diphenyl-3,3′-biz(sym-tetrazinyl) disulfide, which can be reduced to 6-phenyl-1,2-dihydro-sym-tetrazine-3-thione.