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1. (Article ID: 10895)
 
Schopke T, Thiele H, Wray V, Nimtz M, Hiller K
Structure elucidation of a glycoside of 2β,3β-23-trihydroxy-16-oxoolean-12-en-28-oic acid from Bellis bernardii using mass spectrometry for the sugar sequence determination
Journal of Natural Products 58 (1995) 152-155
 

The structure of a novel saponin, possessing an unusual aglycone named bellisonic acid and isolated from whole plants of Bellis bernardii, has been elucidated by modern ms and nmr techniques as 3-O-α-L-rhamnopyranosyl-2β,3β,23-trihydroxy-16-oxoolean-12-en-28-oic acid 28-α-L-rhamnopyranosyl(1→3)-O-β-D-xylopyranosyl(1→4)-α-L- rhamnopyranosyl(1→2)-β-D-fucopyranoside [1]. Ms procedures of general applicability allowed unambiguous sugar sequence determination from very small amounts of material.

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