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Triterpenoids from the roots of Rubus parvifolius
Xu Zhang1, Zhi-Xiang Zhu2, Juan Wang1
1Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100102, China.
Abstract:
Two new oleanane-type triterpenoids, parvifolactone A (1) and rubuside P (2), together with 11 known triterpenoids, fupenzic acid (3), 18,19-seco,2α,3α-dihydroxyl-19-oxo-urs-11,13(18)-dien-28-oic acid (4), euscaphic acid (5), maslinic acid (6), 1β- hydroxyeuscaphic acid (7), 2α,3α,19α,23-tetrahydroxyolean-12-en-28-oic acid (8), 2α,3β,19α,23-tetrahydroxyurs-12-en-28-oic acid (9), glucosyl pinfaensate (10), rubuside J (11), 2α,3α,19α,23-tetrahydroxyurs-12-en-24,28-dioic acid (12), and 2α,3β,19α- trihydroxyurs-12-en-23,28-dioic acid (13), were isolated from the roots of Rubus parvifolius.
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