作者:M. F. El-Behairy、E. Sundby
DOI:10.1039/c6ra23915c
日期:——
RS-licarbazepine via lipase catalysed kinetic resolution. A novel stereoselective simultaneous HPLC separations of RS-licarbazepine (1) and its racemic esters RS-2–5 have been developed on Lux® cellulose-2 column using cyclohexane/ethanol 1/1 v/v as mobile phase. The developed enantioselective HPLC separations have been utilized for monitoring of lipase catalyzed kinetic resolution of RS-licarbazepine (1). Lipase
抗癫痫药依斯卡西平(S -licarbazepine)是由外消旋形式RS-利卡卡西平通过脂肪酶催化的动力学拆分一步制备的。的一种新的立体选择性同时HPLC分离RS -licarbazepine(1)和其外消旋酯RS - 2-5已经对Lux®纤维素-2柱,使用环己烷/乙醇1/1 V / V作为流动相显影。已开发的对映选择性HPLC分离已用于监测脂肪酶催化的RS-利卡西平的动力学拆分(1)。已经进行了脂肪酶催化的酯交换和水解反应。研究了四种不同的酯(乙酸酯(2),丙酸酯(3),丁酸酯(4)和苯甲酸酯(5))的酯交换和水解反应,使用了十种来自多种来源的脂肪酶。用的反式酯化所示的对映体选择性最好RS与以M苯甲酸乙烯酯-licarbazepine吨BE从溶剂和脂肪酶皱褶假丝酵母,其中所述药理学活性对映异构体,小号- (+) -利卡西平,已完成[ ë = 31,EE = 97%,产率84%,α 20 d=