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Communication | Regular issue | Vol 3, No. 2, 1975, pp.179-182
Published online, 1st January, 1970
DOI: 10.3987/R-1975-02-0179
A Total Synthesis of (±)-Yohimbine

Tetsuji Kametani,* Masahiro Kajiwara, Tamiko Takahashi, and Keiichiro Fukumoto

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan


A total synthesis of (±)-yohimbine (8) from 1,2,3,4,5,6,7,12b-octahydroindolo[2,3-a]quinolizin-2-one (5) has been achieved through 15,16-dehydroyohimbinone (6) and yohimbinone (7). Two kinds of novel syntheses of (5) are also reported.