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Paper | Regular issue | Vol 68, No. 12, 2006, pp.2579-2585
Published online, 27th October, 2006
DOI: 10.3987/COM-06-10885
First Synthesis of Trans- and Cis-Dendrochrysanines

Hiroyuki Konno,* Sayako Kusumoto, Sotaro Kanai, Yasuyuki Yamahana, Kazuto Nosaka, and Kenichi Akaji

*Department of Chemistry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kita-ku, Kyoto 603-8334, Japan

Abstract

Trans- and cis-dendrochrysanines (1 and 2), isolated from the stems of Dendrobium chrysanthum Wall., were first synthesized from L-proline. The absolute configuration of 1 and 2 was established to be S by the syntheses.