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Report | Regular issue | Vol 19, No. 9, 1982, pp.1677-1680
Published online, 1st January, 1970
DOI: 10.3987/R-1982-09-1677
The Synthesis of (—)-Isoretronecanol, (—)-Trachelanthamidine, and (—)-Supinidine from (S)-Proline

Heinrich Rüeger and Michael Benn

*Department of Chemistry, The University of Alberta, Calgary, Alberta, T2N, 1N4, Canada

Abstract

Dieckmann cyclisation of (S)-N,2-di(carboethoxymethyl)pyrrolidine, made from (S)-proline, gave (8S)-1-carboethoxypyrrolizidin-2-one, which was then converted into (—)-isoretronecanol, (—)-trachelanthamidine, and (—)-supinidine.