Chemistry of Heterocyclic Compounds p. 1145 - 1148 (1986)
Update date:2022-08-05
Topics:
Abramova, N. D.
Andriyankova, L. V.
Skvortsov, Yu. M.
Mal'kina, A. G.
Kositsyna, E'. I.
et al.
Substituted 1,3-thiazinoazoles were obtained by treating benzimidazole-2-thione, 4,5-diphenylimidazole-2-thione, and 1,2,4-triazole-3-thione with tertiary cyanoacetylenic alcohols and their acetals in the presence of lithium hydroxide.Treatment of the 1,3-thiazinobenzimidazoles with base destroyed the thiazino ring forming benzimidazol-2-one.
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