Tetrahedron Letters

An efficient ligand-free ferric chloride catalyzed synthesis of annulated 1, 4-thiazine-3-one derivatives

KC Majumdar, D Ghosh

文献索引：Majumdar; Ghosh, Debankan Tetrahedron Letters, 2014 , vol. 55, # 19 p. 3108 - 3110

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被引用次数: 2

摘要

Abstract A straight forward route for the synthesis of coumarin-, quinolone-annulated 1, 4- thiazine-3-one derivatives has been achieved by using sodium sulfide as the sulfur source and ferric chloride as catalyst in a ligand-free condition. The synthetic procedure is simple,