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Communication | Regular issue | Vol 29, No. 11, 1989, pp.2093-2095
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5176
Total Synthesis of the Pentacyclic Alkaloid Ascididemin

Franz Bracher*

*Institut für Pharmazeutische Chemie, Philipps-Universität, Marbacher Weg 6, D-35032 Marburg/Lahn, Germany


The antileukemic alkaloid ascididemin (1) was prepared from quinoline-5,8-quinone (4) by oxidative amination with o-aminoacetophenone (5), followed by acid catalysed cyclisation and subsequent one pot annelation of ring E.