| 2 | A New Furostanol Saponin from the Water-extract of Dioscorea nipponica Mak.,the Raw Material of the Traditional Chinese Herbal Medicine Wei Ao Xin显示文摘O-a-D-Glucopyranosyl-furost-5(6),20(22)-dien-3a,26-diol 1, a new furostanol saponin, was isolated from the water-extract of Dioscorea nipponica Mak., the raw material of a traditional Chinese herbal medicine Wei Ao Xin. The structure of 1 was determined on the basis of its spectral data especially by NMR spectroscopy. The result provides the first example of naturally occurring furostanol saponins with a single saccharide chain at the C-26 position. | ChengBinCUI ChiXU QianQunGU ShiDongCHU HaiHongJI GangJING | 2004 | Chinese Chemical Letters2004，15，10： | 1 |
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