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Communication | Regular issue | Vol 19, No. 11, 1982, pp.2075-2077
Published online, 1st January, 1970
DOI: 10.3987/R-1982-11-2075
Stereoselective Total Synthesis of Necine Bases, (±)-Retronecine and (±)-Turneforcidine

Tatsushi Ohsawa, Masataka Ihara, Keiichiro Fukumoto, and Tetsuji Kametani

*Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan

Abstract

(±)-Retronecine (2) was synthesised by a coupling of a regioselective [3,3]sigmatropic rearrangement with a sulphenocycloamination as key steps and the first stereoselective total synthesis of (±)-turneforcidine (3) was also accomplished.