Chemical and Pharmaceutical Bulletin p. 780 - 782 (1992)
Update date:2022-09-26
Topics:
Ding
Yahara
Nohara
Two new triterpenoid glycosides, named mimengosides A (1) and B (2), along with acteoside (3) were isolated from the Buddlejae Flos (flower and bud of Buddleja officinalis). The structures of 1 and 2 were determined as 3-O-α-L-rhamnopyranosyl-(1 → 4)-β-D-glucopyranosyl-(1 → 3)-[β-D-glucopyranosyl-(1 → 2)]-β-D-fucopyranoside of 16 dehydroxysaikogenin G and that of 3,23,28-trihydroxy-11-methoxy-olean-12-ene, respectively, by spectral and chemical methods.
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