| Synthesis of 24-Methylene-cholest-5-ene-7-oxo-3β,19-diacetate |
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| 作者姓名： | WeiGangLU CuiXianZHANG JingYuSU LongMeiZENG |
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| 作者单位： | SchoolofChemistryandChemicalEngineering,SunYat-SenUniversity,Guangzhou510275 |
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| 摘 要： | 24-Methylenecholest-5-ene-7-oxo-3β,19-diacetate 5 was synthesized starting from stigmasterol via twelve step reactions in 4.1% overall yield. It can be served as a key intermediate for the synthesis of 24-methylenecholest-5-ene-3β,7β,19-mol 1, a naturally occuring polyhydroxylated sterol with potential biological activity.
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| 关 键 词： | 合成方法 24-亚甲基-胆甾-5-烯-7-氧合-3β 19-双乙酸酯 烯丙基氧化物 PCC／Al2O3 |
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