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Note | Regular issue | Vol 78, No. 10, 2009, pp.2559-2564
Published online, 3rd June, 2009
DOI: 10.3987/COM-09-11750
■ Synthesis of 2-Thioxo-2,3-dihydropyrido[3,2-e]-1,3-thiazin-4-ones by the Reaction of N-Alkyl-2-chloropyridine-3-carboxamides with Carbon Disulfide

Kazuhiro Kobayashi,* Toshihide Komatsu, and Hisatoshi Konishi

*Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, 4-101 Koyama-minami, Tottori 680-8552, Japan

Abstract

A facile method for the preparation of 2-thioxo-2,3- dihydropyrido[3,2-e]-1,3-thiazin-4-ones by the reaction of N-alkyl-2- chloropyridine-3-carboxamides with carbon disulfide in the presence of sodium hydride as a base has been developed.