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Communication | Regular issue | Vol 16, No. 2, 1981, pp.199-202
Published online, 1st January, 1970
DOI: 10.3987/R-1981-02-0199
Synthesis and Acylation of 2-(2,5-Dihydro-1,3-thiazol-2-yl)-2-phenylhydrazonoacetic Acid Esters

Johann Gasteiger* and Ulrich Strauß

*Institut für Organische Chemie, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching, Germany


The preparation of 2-(2,5-dihydro-1,3-thiazol-2-yl)-2-phenylhydrazonoacetic acid esters is described. Acylation of these compounds occurs at the sulfur atom with concomitant opening of the dihydrothiazole ring to yield 3-(Z-2-acylthiovinylimino)-2-phenylhydrazono-butanoic acid esters.