Two New Triterpenoid Glycosides from Leaves of Ilex chinensis SIMS(Organic,Chemical)

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Two new triterpenoid glycosides were isolated (one of them as the methyl ester) as major components from leaves of Ilex chinensis SIMS (Aquifoliaceae). The structures of these glycosides, termed ilexoside A (1) and ilexoside B methyl ester (2a), have been established to be 3β-O-(β-D-xylopyranosyl)siaresinolic acid and 3β-O-(β-D-xylopyranosyl)pomolic acid methyl ester, respectively, based on chemical and spectral evidence. High-resolution ^<13>C-nuclear magnetic resonance data for the methyl ester of 1 (1a) and 2a are also reported.

Journal

  • Chem. Pharm. Bull.

    Chem. Pharm. Bull. 35 841-845, 1987

    The Pharmaceutical Society of Japan

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