Lupane-triterpene Carboxylic Acids from the Leaves of Acanthopanax trifoliatus

Lupane-triterpene Carboxylic Acids from the Leaves of Acanthopanax trifoliatus

Two new lupane-triterpene carboxylic acids, called acantrifoic acid A (1) and acantrifoside C (2) have been isolated from the leaves of Acanthopanax trifoliatus. Based on extensive 1D and 2D NMR spectroscopic data, their chemical structures were determined as 3a-acetoxy-30-hydroxylup-20(29)-ene-23,...

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Veröffentlicht in:Chemical & Pharmaceutical Bulletin 2003, Vol.51 (12), p.1432-1435
Hauptverfasser: Phan Van KIEMa, Xing Fu CAIc, Chau Van MINHa, Jung Joon LEEb, Young Ho KIMc
Format: Artikel
Sprache:jpn
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Zusammenfassung:Two new lupane-triterpene carboxylic acids, called acantrifoic acid A (1) and acantrifoside C (2) have been isolated from the leaves of Acanthopanax trifoliatus. Based on extensive 1D and 2D NMR spectroscopic data, their chemical structures were determined as 3a-acetoxy-30-hydroxylup-20(29)-ene-23, 28-dioic acid and 3α-acetoxy-30-hydroxylup-20(29)-ene-23, 28-dioic acid 28-O-α-L-rhamnopyranosyl-(1→4)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl ester.
ISSN:0009-2363