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Paper | Regular issue | Vol 32, No. 3, 1991, pp.489-497
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5659
Easy Preparation of Indoloquinolizidine Enamides

Mauri Lounasmaa* and Esko Karvinen

*Laboratory for Organic and Bioorganic Chemistry, Technical University of Helsinki, P.O. Box 6100, FIN-02150 HUT, Espoo 15, Finland

Abstract

A new and efficient synthesis of indoloquinolizidine enamines, including the highly valuable Wenkert’s enamine (9a), is described. The behaviour of enamines (9a) and (9b) under reductive conditions was investigated.