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Communication | Regular issue | Vol 4, No. 10, 1976, pp.1685-1686
Published online, 1st January, 1970
DOI: 10.3987/R-1976-10-1685
A Novel Transformation of Tetrahydroberberine Methiodide to Allocyptopine by Photo-oxygenation

Miyoji Hanaoka,* Chisato Mukai, and Yoshio Arata

*Faculty of Pharmaceutical Scicences, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-0934, Japan

Abstract

Allocryptopine (II) was synthesized from tetrahydroberberine methiodide (I) in one step by photo-oxygenation.