Zhu X, Lin B, Jakob A, Wuerthner S, Koppenhoefer B
Dalian Institute of Chemical Physics, PR China.
Electrophoresis. 1999 Jul;20(9):1878-89. doi: 10.1002/(SICI)1522-2683(19990701)20:9<1878::AID-ELPS1878>3.0.CO;2-7.
Following the German-Chinese Drug Screening Program, 86 racemic drugs were investigated in capillary zone electrophoresis in the presence of the chiral solvating agent (CSA) hexakis-(2,3,6-tri-O-methyl)-alpha-cyclodextrin (TM-alpha-CD). Of the 86 drugs, 23 were separated into enantiomeric pairs. A comparison of the migration separation factors (alpha(m)) and the migration retardation factors (Rm) with previously published data for native alpha-CD revealed that the 'upper-rim' hydroxyl groups do not necessarily facilitate the recognition of the drug enantiomers by the chiral host. In contrast, an overall increase in affinity for the permethylated host led to a higher rate of successful enantiomer separations. A key substructure (4H) was identified in the analyte structure domain, with a crucial influence on the behavior of a particular drug.
按照德中药物筛选计划，在手性溶剂化剂（CSA）六（2,3,6-三-O-甲基）-α-环糊精（TM-α-CD）存在的情况下，采用毛细管区带电泳对86种消旋药物进行了研究。在这86种药物中，有23种被分离成对映体对。将迁移分离因子（α(m)）和迁移阻滞因子（Rm）与先前发表的天然α-环糊精数据进行比较，结果表明，“上缘”羟基不一定有助于手性主体识别药物对映体。相反，对全甲基化主体的亲和力总体增加导致对映体成功分离的比例更高。在分析物结构域中鉴定出一个关键亚结构（4H），它对特定药物的行为有至关重要的影响。
