Triterpenoid Saponins of Aquifoliaceous Plants. VIII. Ilexosides XXIX-XXXII from the Leaves of Ilex rotunda THUNB.

Kayoko AMIMOTO; Kazuko YOSHIKAWA; Shigenobu ARIHARA

doi:10.1248/cpb.40.3138

Triterpenoid Saponins of Aquifoliaceous Plants. VIII. Ilexosides XXIX-XXXII from the Leaves of Ilex rotunda THUNB.

Kayoko AMIMOTO, Kazuko YOSHIKAWA, Shigenobu ARIHARA

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Keywords: Ilex rotunda, Aquifoliaceae, pentacyclic triterpene, ilexoside, ilexpsapogening A, rotundioic acid, siaresinolic acid, pomolic acid, pomolic acid 3-O-sulfate, ursane-type 3-O-sulfate

JOURNAL FREE ACCESS

1992 Volume 40 Issue 12 Pages 3138-3141

DOI https://doi.org/10.1248/cpb.40.3138

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Abstract

From the fresh leaves of Ilex rotunda, were isolated four new saponins named ilexosides XXIX-XXXII, together with the known saponins pedunculoside, ziyu-glycoside I, suavissimoside F1 and chikusetsusaponin IVa. Their structures were established on the basis of spectral and chemical evidence.

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