Lupane-triterpene glycosides from the leaves of Acanthopanax gracilistylus.
A novel lupane-triterpene glycoside, called wujiapioside B (1), was isolated from the leaves of Acanthopanax gracilistylus (Araliaceae) together with three known lupane-triterpene glycosides, acankoreoside C (2), acantrifoside A (3) and 3-epibetulinic acid 28-O-alpha-L-rhamnopyranosyl-(1-->4)-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl ester (4). Based on spectroscopic data, the chemical structure of 1 was determined as 3alpha,23-dihydroxy-lup-20(29)-en-28-oic acid 28-O-alpha-L-rhamnopyranosyl-(1-->4)-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl ester. Compounds 2-3 were obtained for the first time from this plant and compound 4 has not been isolated from Acanthopanax genus yet.
Yook
Chang-Soo
CS
College of Pharmacy, Kyung-Hee University, Seoul, Korea. yookcs@khu.ac.kr
Liu
Xiang-Qian
XQ
Chang
Seung-Yeup
SY
Park
Sang-Yong
SY
Nohara
Toshihiro
T
D028001:Eleutherococcus / Q000737:chemistry*; D010936:Plant Extracts / Q000737:chemistry / Q000302:isolation & purification; D018515:Plant Leaves / Q000737:chemistry; D014315:Triterpenes / Q000737:chemistry* / Q000302:isolation & purification
D010936:Plant Extracts; D014315:Triterpenes