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Communication | Special issue | Vol 10, No. 1, 1978, pp.17-22
Published online, 1st January, 1970
DOI: 10.3987/S-1978-01-0017
A Novel Ring Transformation of Benzothiazoline Sulfoxides

Mikio Hori,* Tadashi Kataoka, Hiroshi Shimizu, and Yutaka Imai

*Department of Pharmacognosy, Gifu College of Pharmacy, 6-1 Mitahora-higashi 5-chome, Gifu 502-8585, Japan

Abstract

Reaction of 3-acetylbenzothiazoline sulfoxides with acetic anhydride gave novel ring expansion products, benzothiazine derivatives.