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Paper | Regular issue | Vol 32, No. 8, 1991, pp.1499-1504
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5578
Synthesis of Chiral Indolizines as Bicyclic Ergoline Analogues

Peter Gmeiner

*Institut für Pharmazie und Lebensmittelchemie, Ludwig-Maximilins-Universität, Sophienstraße 10, 8000 München 2, Germany

Abstract

An efficient synthesis of the enantiomerically pure aminoindolizine (3) by a triflic anhydride assisted cyclization of the 1,3-amino alcohol (6) is reported. 6 can be readily derived from L-asparagine (4) via the O-activated β-homoserine equivalent (7).