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Communication | Regular issue | Vol 16, No. 6, 1981, pp.925-928
Published online, 1st January, 1970
DOI: 10.3987/R-1981-06-0925
A Stereoselective Synthesis of (±)-Corynantheal

Tetsuji Kametani,* Naoaki Kanaya, and Masataka Ihara

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


A stereoselective synthesis of (±)-corynantheal (10) was achieved via novel epimerization at C3 position of an indolo[2,3-a]quinolizine and the corresponding lactam by Adams catalyst. This synthesis constitutes a formal total synthesis of (±)-corynantheine (11) and (±)-ajmalicine (12).