建立了毛细管电泳手性拆分氨氯地平药物中间体的方法, 并同时拆分了氨氯地平.考察了不同手性拆分试剂对手性选择性的影响,其中羧甲基-β-环糊精(CM-β-CD)能够给出满意的拆分结果.在以CM-β-CD为手性拆分试剂的基础上,还考察了各种因素诸如流动相的pH值、环糊精的浓度以及电压对分离的影响.最佳拆分条件为:30 mmol/L磷酸盐+50 mmol/L CM-β-CD(pH 6.12).在此条件下,药物中间体及氨氯地平的分离度分别为1.55和1.73,结果令人满意.
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