Abstract
Two new megastigmane glycosides, eriojaposides A (1) and B (2), and a new acylated triterpenoid (3) were isolated along with nine known compounds from a leaf extract of Eriobotrya japonica. The structures of 1--3 were characterized as (6R,9R)-3-oxo-alpha-ionyl-9-O-beta-xylopyranosyl-(1' '-->6')-beta-glucopyranoside, (6R,9R)-3-oxo-alpha-ionyl-9-O-alpha-rhamnopyranosyl-(1' '-->6')-beta-glucopyranoside, and 3 alpha-trans-feruloyloxy-2 alpha-hydroxyurs-12-en-28-oic acid, respectively, on the basis of spectral and chemical evidence.
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