A. V. Tverdokhlebov, A. Andrushko, Elizaveta V. Resnyanska
Feb 22, 2005
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ChemInform
Abstract
SYNTHESIS 2004, No. 14, pp 2317–2322xx.xx.2004 Advanced online publication: 17.08.2004 DOI: 10.1055/s-2004-831178; Art ID: Z09004SS © Georg Thieme Verlag Stuttgart · New York Abstract: 6-Aryl-2,3-dihydro-3-oxopyrrolo[2,1-b]thiazole-7-carboxylic acids ethyl esters were prepared by refluxing 2-[3-(2-aryl2-oxoethyl)-4-oxo-2-thiazolidinylidene]acetic acid ethyl esters in POCl3. An amination of the obtained pyrrolo[2,1-b]thiazole derivatives with primary aliphatic amines was found to yield N-alkyl-2[(4-aryl-3-ethoxycarbonyl-2-pyrrolyl)thio]acetamides and -propanamides.