Author's Organization:Faculty of Pharmaceutical Sciences, Kumamoto University Faculty of Pharmaceutical Sciences, Tokushima University Faculty of Pharmaceutical Sciences, Tokushima University Faculty of Pharmaceutical Sciences, Tokushima University Department of Biochemistry, Medical School, Kumamoto University Faculty of Pharmaceutical Sciences, Kumamoto University
A furostanol glycoside, methyl protodioscin (1), was converted to kryptogenin 3-O-β-chacotrioside (4), which is a key intermediate in the chemical transformation to the solanidane glycoside.