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Communication | Regular issue | Vol 27, No. 12, 1988, pp.2787-2790
Published online, 1st January, 1970
DOI: 10.3987/COM-88-4738
An Efficient Synthesis of (±)-3-Demethoxyerythratidinone

Hiroyuki Ishibashi,* Tatsunori Sato, Masako Takahashi, Mayumi Hayashi, and Masazumi Ikeda

*Kyoto Pharmaceutical University, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan

Abstract

(±)-3-Demethoxyerythratidinone (10), an alkaloid of Erythrina lithosperma, was synthesized in nine steps and 37% overall yield from homoveratrylamine and cyclohexane-1,4-dione monoethylene acetal.