Three new saponins from the leaves of Hovenia dulcis(Rhamnaceae)
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 1923-1927
- https://doi.org/10.1039/p19810001923
Abstract
The carbohydrate sequences of three new saponin, saponin C2(1a), D (2a), and G (3a), obtained from the leaves of Hovenia dulcis Thunb. (Rhamnaceae), have been identified, mainly by 13C n.m.r. spectroscopy, and the full molecular structures of these saponins have been assigned as 3-O-(2-O-α-L-rhamnopyranosyl-3-O-β-D-glucopyranosyl -α-L-arabinopyranosyl)jujubogenin, 3-O-(2-O-α-L-rhamnopyranosyl-β-D-glucopyranosyl)-20-O-α-L-rhamnopyranosyljujubogenin, and 3-O-β-D-glucopyranosyl-20-O-α-L-rhamnopyranosyljujubogenin, respectively, from additional chemical and spectroscopic evidence.Keywords
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