| Literature DB >> 7766388 |
Y Shao1, B N Zhou, L Z Lin, G A Cordell.
Abstract
Four novel triterpenoid saponins named asterbatanoside F, G, H and I were isolated from the roots of Aster batangensis and their structures elucidated as 3-O-beta-D-glucopyranosyl-23-O-acetyl-bayogenin-28-O-beta-D-glu cop yranosyl- (1-->6)-[alpha-L-rhamnopyranosyl-(1-->2)]-beta-D-glucopyranoside, 3-O-beta-D-glucopyranosyl-bayogenin-28-O-beta-D-glucopyranosyl-(1- ->6)-[alpha-f1p4amnopyranosyl-(1-->2)]-beta-D-glucopyranoside, 3-O-beta-D-glucopyranosyl- (1-->3)-beta-D-glucopyranosyl-bayogenin-28-O-beta-D-glucopyranosyl -(1-->6)-beta-D-glucopyranoside, and 3-O-beta-D-glucopyranosyl-(1-->3)-beta-D- glucopyranosyl-23-O-acetyl-bayogenin-28-O-beta-D-glucopyranosyl-(1 -->6)-beta-D- glucopyranoside by means of spectral data, especially NMR including COSY, HETCOR, COLOC, HOHAHA, ROESY and selective INEPT techniques, and chemical evidence.Entities:
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Year: 1995 PMID： 7766388 DOI： 10.1016/0031-9422(94)00744-e
Source DB: PubMed Journal: Phytochemistry ISSN： 0031-9422 Impact factor: 4.072