Pithedulosides A-G, oleanane glycosides from Pithecellobium dulce.

Abstract:

:Seven saponins named pithedulosides A-G were isolated from the seeds of Pithecellobium dulce. Their structures were established through spectral analyses as echinocystic acid 3-O-alpha-L-arabinopyranosyl-(1-->6)-beta-D-glucopyranoside, echinocystic acid and oleanolic acid 3-O-alpha-L-arabinopyranosyl- (1-->2)-alpha-L-arabinopyranosyl-(1-->6)-beta-D-glucopyranosides and 3-O-beta-D-xylopyranosyl-(1-->2)-alpha-L-arabinopyranosyl -(1-->6)-beta-D-glucopyranosides, oleanolic acid 3-O-alpha-L-arabinopyranosy-(1-->2)-alpha-L- arabinopyranosyl-(1-->6)-[beta-D-glucopyranosyl-(1-->2)]-beta- D-glucopyranoside, and 3-O-beta-D-xylopyranosyl-(1-->2)-alpha-L-arabinopyranosyl-(1-->6) -[beta-D-glucopyranosyl-(1-->2)]--beta-D-glucopyranoside.

journal_name

Phytochemistry

journal_title

Phytochemistry

authors

Nigam SK,Gopal M,Uddin R,Yoshikawa K,Kawamoto M,Arihara S

doi

10.1016/s0031-9422(96)00725-x

subject

Has Abstract

pub_date

1997-04-01 00:00:00

pages

1329-34

issue

7

eissn

0031-9422

issn

1873-3700

pii

S003194229600725X

journal_volume

44

pub_type

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