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Communication | Regular issue | Vol 26, No. 8, 1987, pp.2099-2100
Published online, 1st January, 1970
DOI: 10.3987/R-1987-08-2099
■ Synthesis of (±)-Roemecarine and (±)-Epiroemecarine: Revised Stereostructure for (+)-Roemecarine

Osamu Hoshino, Katsuhiko Itoh, Bunsuke Umezawa, Hiroyuki Akita, and Takeshi Oishi

*Faculty of Pharmaceutical Sciences, Science University of Tokyo, 2641 Yamazaki, Noda, Chiba 278-8510, Japan

Abstract

(±)-Roemecarine (1) and (±)-epiroemecarine (2) were synthesized from (±) -1,4-trans- and (±)-1, 4-cis-4-acetoxy-1-benzyltetrahydroisoquinolin-6-ols (3 and 4). The present synthesis revealed that stereostructure of (+)-roemecarine was 1.