Sterol synthesis. Preparation and characterization of fluorinated and deuterated analogs of oxygenated derivatives of cholesterol
作者:Shengrong Li、Jihai Pang、William K. Wilson、George J. Schroepfer, Jr.
DOI:10.1016/s0009-3084(99)00005-5
日期:1999.5
preparation, purification and characterization of 43 oxygenated sterols, including the 4 beta-hydroxy, 7 alpha-hydroxy, 7 beta-hydroxy, 7-keto, and 19-hydroxy derivatives of cholesterol and their analogs with 25,26,26,26,27,27,27-heptafluoro (F7) and 26,26,26,27,27,27-hexadeuterio (d6) substitution. The 7 alpha-hydroxy, 7 beta-hydroxy, and 7-keto derivatives of (25R)-cholest-5-ene-3 beta, 26-diol (1d) and their
氧化的固醇,包括自氧化产物和固醇代谢产物,都具有许多重要的生物学活性。可靠标准品的提供大大简化了通过色谱和光谱法鉴定和定量氧固醇的方法,氘代和氟化类似物作为定量内标非常有价值。我们描述了43种含氧固醇的制备,纯化和表征,包括胆固醇及其类似物与25,26,26的4β-羟基,7α-羟基,7β-羟基,7-酮和19-羟基衍生物,26,27,27,27-七氟(F7)和26,26,26,27,27,27-六氘(d6)取代。还制备了(25R)-胆甾-5-烯-3β,26-二醇(1d)的7α-羟基,7β-羟基和7-酮衍生物及其16,16-二氘代子宫类似物。这些d2-26-羟基甾醇和[16,16-2H2]-(25R)-胆甾烯-5 -ene-3β,26-二醇(1e)是由[16,16-2H2]-(25R)-胆甾醇合成的可以由薯os皂苷元制备-5-烯-3β,26-二醇二乙酸酯(2e)。1e和2e中C-16处高度特异