| 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 |
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| 引用本文： | 周维善,孙力强,潘鑫复.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[J].化学学报,1992,50(12):1192-1199. |
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| 作者姓名： | 周维善 孙力强 潘鑫复 |
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| 作者单位： | 中国科学院上海有机化学研究所;兰州大学化学系 |
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| 摘 要： | 牡蛎甾醇和油菜甾醇是从猪去氧胆酸所犁20-碳醛为起始物,各经六步反应合成的,总产率分别为48-57%和52-54%.合成的关键步骤是Claisen重排反应.
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| 关 键 词： | 红外分光光度法 元素分析 质子磁共振谱法 立体选择性 猪去氧胆酸 克莱森重排 牡蛎甾醇 油菜甾醇 |
Synthesis of steroidal plant growth regulators.XXIII.stereoselective synthesis of crinosterol and brassicasterol form hyodeoxycholic acid |
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| Abstract: | 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. |
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| Keywords: | INFRARED SPECTROPHOTOMETRY ELEMENTAL ANALYSIS PROTON MAGNETIC RESONANCE SPECTROMETRY STEREOSELECTIVITY HYODEOXYCHOLIC ACID CLAISEN REARRANGEMENT OSTREASTEROL |
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