Triterpenoid Saponins of Aquifoliaceous Plants. V. Ilexosides XV-XIX from the Barks of Ilex crenate Thunb.

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1992 English Publisher:Pharmaceutical Society of JapanJournal:Chemical and Pharmaceutical Bulletin, volume 40, pages 1,990-1,992 (issn: 0009-2363, eissn: 1347-5223,

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Authors: Chieko HATA; Miho KAKUNO; Kazuko YOSHIKAWA; Shigenobu ARIHARA;

doi: 10.1248/cpb.40.1990

Triterpenoid Saponins of Aquifoliaceous Plants. V. Ilexosides XV-XIX from the Barks of Ilex crenate Thunb.

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Abstract

Five new saponins, ilexosides XX-XXIV, were isolated from the fresh bark of Ilex crenate, and their structures were elucidated on the basis of chemical and physicochemical evidence. Ilexoside XX is the 3, 28-bisdesmoside of siaresinolic acid, whereas ilexosides XXI-XXIV are those of 3β, 19α, 21α-trihydroxyurs-12-en-28-oic acid.

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Tokushima Bunri University
Japan

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