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- W788603684 abstract "利用毛细管电泳和分子模拟对磺丁基醚-β-环糊精(SBE-β-CD)在莫达非尼手性拆分中的立体选择性差异进行了研究。考察了环糊精浓度和温度对对映体手性拆分的影响。在15~35℃温度范围内,考察了对映体的保留和分离行为。结果表明,随着温度的升高,手性分离变差,并以lna对1/T作图,得到的Van’t Hoff曲线具有良好线性关系(r=0.995)。热力学结果表明,此手性拆分过程为焓控过程。在5~50mmol/L范围内,考察了SBE-β-CD浓度对分离的影响,采用双倒数法求得莫达非尼S-和R-对映体与SBE-β-CD的结合常数分别为58.0和70.6IMmol。分子模拟实验以Gold对接完成,结果表明,莫达非尼R-对映体相比S-对映体与SBE-β-CD结合更稳定,且两对映体与SBE-β-CD结合的差异主要来源与氢键贡献的差异。" @default.
- W788603684 created "2016-06-24" @default.
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- W788603684 date "2013-01-01" @default.
- W788603684 modified "2023-09-24" @default.
- W788603684 title "磺丁基醚-β-环糊精拆分莫达非尼及其立体选择性差异研究" @default.
- W788603684 hasPublicationYear "2013" @default.
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