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Report | Regular issue | Vol 22, No. 6, 1984, pp.1383-1385
Published online, 1st January, 1970
DOI: 10.3987/R-1984-06-1383
2-Aryl-oxazolo- and Thiazolopyridines. Synthesis via Cyclization of N-(2-Chloro-3-pyridinyl)arylamides and Thioamides

Axel Couture* and Pierre Grandclaudon

*Laboratoire de Chimie Organique Physique, Université des Sciences et Technologies de Lille, 59655 Villeneuve d’ Ascq Cedex, France


Chloropyridinylenamides can be easily converted into oxazalo- and thiazolo [5,4-b]pyridines by treatment with polyphosphoric acid and Lawesson reagent respectively.