SYNTHESIS OF 2,5-DISUBSTITUTED 1,3,4-OXADIAZOLES CONTAINING BENZOTHIAZOLYLTHIOL GROUPING
DOI:
https://doi.org/10.1007/55Keywords:
benzothiazole, carboxylic acid hydrazides, carboxylic acid imino ester hydrochlorides, 2 mercaptobenzothiazole, 1, 3, 4-oxadiazole, condensationAbstract
A series of 2,5-substituted 1,3,4-oxadiazoles containing 2-benzothiazolylthiomethyl grouping has been synthesized by condensing derivatives of (2-benzothiazolylthio)acetic acid with imino ester hydrochlorides and hydrazides of carboxylic acids, by the cyclodehydration of N-acyl-N'-(2-benzothiazolylthioacetyl)hydrazines under the action of POCl3, and also by the reaction of 2‑mercaptobenzothiazole with 2-chloromethyl-1,3,4-oxadiazoles in the presence of sodium methylate.
Authors: V. I. Kelarev, M. A. Silin, N. A. Grigor'eva, and V. N. Koshelev.
English Translation in Chemistry of Heterocyclic Compounds, 2000, 36 (2), pp 207-213