Acta Chimica Sinica ›› 1992, Vol. 50 ›› Issue (12): 1192-1199. Previous Articles     Next Articles

Original Articles

甾体植物生物调节剂的合成XXⅢ.'从猪去氧胆酸立体选择性合成牡蛎甾醇和油菜甾醇

周维善;孙力强;潘鑫复   

  1. 中国科学院上海有机化学研究所;兰州大学化学系
  • 发布日期:1992-12-15

Synthesis of steroidal plant growth regulators.XXIII.stereoselective synthesis of crinosterol and brassicasterol form hyodeoxycholic acid

ZHOU WEISHAN;SUN LIQIANG;PAN XINFU   

  • Published:1992-12-15

Synthesis of crinosterol (I) and brassicasterol (II), which are preferential starting materials for syntheses of brassinolide and 24-epi-brassinolide, have been achieved, starting from the aldehyde III obtained from the hyodeoxycholic acid. The overall yield of I and II is 48-57% and 52-54%, both in six steps, resp.

Key words: INFRARED SPECTROPHOTOMETRY, ELEMENTAL ANALYSIS, PROTON MAGNETIC RESONANCE SPECTROMETRY, STEREOSELECTIVITY, HYODEOXYCHOLIC ACID, CLAISEN REARRANGEMENT, OSTREASTEROL

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