Furanoid Norditerpenes from Dioscoreaceae Plants. I. Diosbulbins A, B and C from Dioscorea bulbifera L. forma spontanea MAKINO et NEMOTO

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概要

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• Three nonsteroidal compounds, named diosbulbins A, B and C, were isolated from the root tubers of Dioscorea bulbifera L. forma spontanea MAKINO et NEMOTO (a wild type of D. bulbifera L.) in which scarcely steroid sapogenin was found. Diosbulbin A, C_<20>H_<24>O_7,mp 265°(decomp.), [α]^<20>_D+26.7°, B, C_<19>H_<20>O_6,mp 285°(decomp.), [α]^<20>_D+92.0°and C, C_<19>H_<22>O_7,mp 247-250°(decomp.), [α]^<20>_D+64.7°, all having bitter taste, were assigned the partial structural formulae III, I, II, respectively, and regarded as a series of novel type of furanoid norditerpenes. These are first terpenoids reported in Dioscoreaceae and first furanoid diterpenoids in Monocotyledoneae.

• 公益社団法人日本薬学会の論文
• 1968-12-25

著者

• 川崎 敏男

  Faculty of Pharmaceutical Sciences of Kyushu University

• 古森 徹哉

  Faculty of Pharmaceutical Sciences, Kyushu University

• 川崎 敏男

  Faculty Of Pharmaceutical Sciences Kyushu University

• 古森 徹哉

  Faculty Of Pharmaceutical Sciences Kyushu University

• 瀬戸口 信郎

  Faculty of Pharmaceutical Sciences, Kyushu University

• 瀬戸口 信郎

  Faculty Of Pharmaceutical Sciences Kyushu University

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