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SOME NOVEL TRITERPENOID SAPONINS FROM Oxytropis PLANTS

孙荣奇;贾忠建;朱子清

   In a previous note, we reported three saponins Ⅰ, Ⅱ and Ⅲ from Oxytropis glabra DC. As a continuing study, five more novel triterpenoid saponins Ⅳ, Ⅴ, Ⅵ, Ⅶ and Ⅹ were isolated from Oxytropis plants. Saponins Ⅳ to Ⅶ was from Oxytropis glabra DC, and Ⅹ from Oxytropis bicolor Bunge. The present note deals with the structures of these saponins.……