2α,5α-エポキシ-1,2-ジヒドロアクアンミラン-17-酸メチル

2α,5α-エポキシ-1,2-ジヒドロアクアンミラン-17-酸メチル 化学特性,用途語,生産方法

• 説明

  An Alstonia alkaloid obtained from A. scholaris R. Br., this base also occurs in Rauwolfia vornitora. It has [α]_D - 47° (CHCI3). The ultraviolet spectrum in neutral solution (EtOH) has absorption maxima at 237 and 287 mil, while in acidic solution (perchloric acid), there are absorption maxima at 239, 244 and 305 mil. A methoxycarbonyl group, an alkyl group and an ether bridge are present in the molecule. The picrate is obtained as light yellow crystals with m.p. 172- 4°C (dec.) and the methiodide has m.p. 235-7°C.

• 使用

  Picrinine is a monoterpenoid indole alkaloid extracted from Ochrosia elliptica, displaing the enhancement of immunomodulatory activity and apaptosis inducing in the A549 cell lines.

• 参考文献

  Preparation:
  Britten, Smith.,J. Chern. Soc., 3850 (1963)
  Isolation:
  Chatterjee et al., Tetrahedron Lett., 3633 (1965)

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