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期刊论文
synthesis of bidesmosidic dihydrodiosgenin saponins bearing a 3-o-b-chacotriosyl moiety
carbohydrate research 339(2004)1753-1759，-0001，（）：
3-o-b-chacotriosyl-26-o-b-d-glucopyranosyl-(25r)-furost-5-en (1), a mimic of the antitumor active proto-dioscin, was concisely synthesized from diosgenin in a linear nine steps and in 17% overall yield. its congeners with a a-l-rhamnopyranosyl, blactosyl, or without a substituent at the 26-oh (13-15) were also prepared. compound 1, as well as 13-15, did not show any inhibition against tumor cells, implying that proto-dioscin might be also inactive, but readily converted into the antitumor active dioscin.
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