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Note | Regular issue | Vol 45, No. 6, 1997, pp.1169-1172
Published online, 1st January, 1970
DOI: 10.3987/COM-97-7757
Structure of Marshdimerin and Bisosthenon-B, Two New Bicoumarins from the Roots of Marsh Grapefruit

Yuko Takemura, Yoshiko Isono, Yasue Arima, Motoharu Ju-ichi,* Mitsuo Omura, Chihiro Ito, and Hiroshi Furukawa

*Faculty of Pharmaceutical Science, Mukogawa-Women's University, 11-68 Koushien Kyuban-Cho, Nishinomiya, Hyogo 663-8179, Japan

Abstract

The structures of two dimeric coumarins named marshdimerin (1) and bisosthenon-B (2) from the roots of Marsh grapefruit (Citrus paradisi Macf.) were elucidated on the basis of their spectral data.