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Communication | Special issue | Vol 11, No. 1, 1978, pp.313-318
Published online, 1st January, 1970
DOI: 10.3987/S(N)-1978-01-0313
Syntheses and Reactivity of 1,2,4-Thiazolo[2,3-a]pyridines and Some Related Systems

Bojan Vercek, Branko Stanovnik, and Miha Tisler*

*Department of Chemistry, University of Ljubljana, 61000 Ljubljana, Slovakia

Abstract

Treatment of N-ethoxycarbonylmethyl-N’-(pyridyl-2)thiourea and derivatives (1) with bromine yielded 1,2,4-thiadiazolo[2, 3-a]pyridines (2) in good yield. Other synthetic paths to 6 and the tricyclic compound 11 as well as some other transformations are described.