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IJC-B Vol.47B(08) [August 2008] >


Title: Alstonoside, a secoiridoid glucoside from Alstonia scholaris
Authors: Thomas, P Steve
Kanaujia, Anil
Ghosh, Dipankar
Duggar, Rajeev
Katiyar, Chandra Kant
Keywords: Alstonia scholaris
Apocynaceae
Alstonoside
Secoiridoid glucoside
Isoflavone apioglucosides
Issue Date: Aug-2008
Publisher: CSIR
Abstract: From the stems of Alstonia scholaris, a new secoiridoid glucoside, named alstonoside 1, together with two isoflavone apioglucosides, formononetin 7-O-β-D-apiofuranosyl-(1→6)-β-D-glucopyranoside 2 and biochanin A 7-O-β-D-apiofuranosyl-(1→6)-β-D-glucopyranoside 3 are isolated and their structures are elucidated on the basis of detailed 1D and 2D-NMR and mass spectral data. Alstonoside features the presence of a ring opened monocyclic iridoid glucoside with the presence of an O-benzoyl moiety. This study constitutes the first report of a new secoiridoid glucoside and two isoflavone apioglucosides from this plant.
Page(s): 1298-1302
ISSN: 0376-4699
Source:IJC-B Vol.47B(08) [August 2008]

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