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Short Paper | Special issue | Vol 88, No. 1, 2014, pp.711-718
Published online, 2nd August, 2013
DOI: 10.3987/COM-13-S(S)26
One New Megastigmane Glycoside with a Double Bond at a Rare Position from the Leaves of Antidesma pentandrum var. barbatum

Ayumi Iha, Sachiko Sugimoto, Katsuyoshi Matsunami, Hideaki Otsuka,* and Yoshio Takeda

*Divison of Medicinal Chemisry, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan

Abstract

From the 1-BuOH-soluble fraction of a MeOH extract of leaves of Anitdesma pentandrum var. barbatum, one new megastigmane glycoside, α-L-arabinofuranosyl-(1→6)-β-D-glucopyranoside of (6ξ,9R)-megastigman-4(13)-en-9-ol, was isolated along with four known megastigmane glycosides, (6R,9R)-megastigma-4,7-dien-9-ol-3-one α-L-arabinofuranosyl-(1→6)-β-D-glucopyranoside, foliasalacinoside B, (6S,9R)-magastigma-4,7-diene-6,9-diol-3-one 9-O-α-L-arabinofuranosyl-(1→6)-β-D-glucopyranoside and byzantionoside B.