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Communication | Regular issue | Vol 26, No. 5, 1987, pp.1203-1206
Published online, 1st January, 1970
DOI: 10.3987/R-1987-05-1203
Stereoselective Alkylation of Ester Lactone. Synthesis of dl-Geijerone and Formal Synthesis of dl-γ-Elemene

Takeshi Wakamatsu, Hiromu Hara, Keiko Taira, and Yoshio Ban

*Faculty of Pharmaceutical Sciences, Hokkaido University, Kita 12 Nishi 6, Kita-ku, Sapporo, Hokkaido 060-0812, Japan

Abstract

Geijerone 1 was synthesized in racemic form via stereoselective alkylation of an ester lactone conformationally fixed with its bridged lactone ring. dl-γ-Elemene 2 has already been obtained from 1.