Tetrahedron Letters

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

KC Majumdar, D Ghosh

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

Full Text: HTML

Citation Number: 2

Abstract

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,

Related Articles:

Rapid N-Alkylation of Benzoxazinones and Benzothiazinones Under Microwave Irradiation

[Huang, Zhi-Zhen; Zu, Liu-Sheng Organic Preparations and Procedures International, 1996 , vol. 28, # 1 p. 121 - 123]

An alternative efficient method for transformation of thiocarbonyl to carbonyl group using trifluoroacetic anhydride

[Masuda, Ryoichi; Hojo, Masaru; Ichi, Tadaaki; Sasano, Shigetoshi; Kobayashi, Tatsuya; Kuroda, Chihiro Tetrahedron Letters, 1991 , vol. 32, # 9 p. 1195 - 1198]

An Improved Alkylation of 2H-1, 4-Benzothiazin-3 (4H-one and Related Heterocyclic Anilides

[Marfat, Anthony; Carta, Michael P. Synthesis, 1987 , # 5 p. 515 - 517]

More Articles...