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Communication | Special issue | Vol 7, No. 1, 1977, pp.155-160
Published online, 1st January, 1970
DOI: 10.3987/S-1977-01-0155
A New Approach to the Skeleton of Rauwolfia Alkaloids

Csaba Szántay,* Gábor Blaskó, Katalin Honty, Lajos Szabó, and László Töke

*Institute for Organic Chemistry, Technical University Budapest, H-1521 Budapest, P.O. Box 91Gellért tér 4, Hungary

Abstract

The reaction of enamine derivative 2 with ethyl α-acetoxyacrylate gave the indolo[2,3-a]quinolizidine derivative 3a. From 3a the characteristic structure of the Rauwolfia alkaloids has been built up by stereoselective reactions.