Medicagenic acid saponins from Aster batangensis
β Scribed by Yu Shao; Bingnan Zhou; Kan Ma; Houming Wu; Longze Lin; Geoffrey A. Cordell
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 479 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0031-9422
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Five new triterpene saponins 1 Β± 5 were isolated from the roots of Muraltia ononidifolia E. Mey along with the two known saponins 3 arabinopyranosyl] ester (medicagenic acid (4a,2b,3b)-2,3-dihydroxyolean-12-ene-23,28-dioic acid). Their structures were elucidated mainly by spectroscopic experiments,
## Abstract Three new medicagenic acid saponins, micranthosides AβC (**1**β**3**), were isolated from the roots of __Polygala micrantha__ Guill. & Perr., along with six known presenegenin saponins. Their structures were elucidated on the basis of extensive 1Dβ and 2DβNMR experiments (^1^H, ^13^C, D