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Communication | Regular issue | Vol 55, No. 1, 2001, pp.13-20
Published online, 1st January, 1970
DOI: 10.3987/COM-00-9078
■ Absolute Structures of 3-Hydroxy-2-prenylflavanones with an Ether Linkage between the 2’- and 3-Positions from Moraceous Plants

Ya-Qin Shi, Toshio Fukai, Masaru Ochiai, and Taro Nomura*

*School of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274-8510, Japan

Abstract

Absolute configurations at C-2 and C-3 of eight sanggenon-type flavanones (3-hydroxy-2-prenylflavanones with an ether linkage between the C-2’ and C-3 positions, i.e., sanggenons A, C, L, and M, sanggenols F, and G, and soroceins D and F.) were determined as (2R,3S)-configurations by chemical and spectroscopic methods.