Biogenetically Patterned Transformation of Eudesmanolide to Eremo-philanolide. II. Structures of Minor Products obtained by Acid Treatment of 5α, 6α-Epoxy-eudesman-8β, 12-olide

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概要

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• As a continuation of the previous work, the structures of four minor products, which were obtained by HCOOH-acetone (1 : 2) treatment of 5α, 6α-epoxy-eudesman-8β, 12-olide (1) along with previously elucidated four products : A (2), B (3), C (4), and D (5), have been elucidated as E (6), F (7), G (8), and H (9). It has become clear that 1 was converted to five eremophilanolides (A, B, D, F, and H) via a biogenetic-type 1,2-shift of the angular methyl at C-10,and the structure requirement for the ready conversion has been discussed. In addition, preparative liquid chromatography was undertaken to clarify the accurate product composition of the above acid treatment.

• 公益社団法人日本薬学会の論文
• 1976-01-25

著者

• 吉岡 一郎

  Faculty Of Pharmaceutical Sciences Osaka University

• 北川 勲

  Faculty of Pharmaceutical Sciences, Osaka University

• 西野 隆雄

  Faculty of Pharmaceutical Sciences, Osaka University

• 渋谷 博孝

  Faculty of Pharmaceutical Sciences, Osaka University

• 北川 勲

  Faculty Of Pharmaceutical Sciences Osaka University

• 西野 隆雄

  大阪薬科大学

• 武野 秀一

  Faculty of Pharmaceutical Sciences, Osaka University

• 武野 秀一

  Faculty Of Pharmaceutical Sciences Osaka University

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