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Note | Special issue | Vol 82, No. 2, 2010, pp.1705-1708
Published online, 19th October, 2010
DOI: 10.3987/COM-10-S(E)115
Second Generation Palladium-Catalyzed Cycloalkenylation in Iridoid Lactone Synthesis: Total Syntheses of (±)-Onikulactone and (±)-Mitsugashiwalactone

Megumi Saeki and Masahiro Toyota*

*Department of Chemistry, Graduate School of Science, University of Osaka Prefecture, Sakai, Osaka 593-8531, Japan

Abstract

Type-II iridoid lactones, onikulactone (1) and mitsugashiwalactone (2), were synthesized by employing the second generation palladium-catalyzed cycloalkenylation reaction as the key step.