A dynamic kinetic resolution process was applied to an enantioconvergent microbial Baeyer–Villiger oxidation of benzyloxycyclopentanone, rac-1. This was achieved by combining a whole cell-based kinetic resolution and an anion exchange resin-catalysed in situ racemisation. Several resins were screened according to their capacity to catalyse the racemisation of 1. As compared to our previous results
将动态动力学拆分过程应用于对映收敛微
生物,苄氧基
环戊酮,rac - 1的Baeyer-Villiger氧化。这是通过将基于全细胞的动力学拆分和阴离子交换
树脂催化的原位外消旋相结合而实现的。根据它们催化1消旋化的能力筛选了几种
树脂。与我们之前的结果相比,
生物转化为1时弱碱性Lewatit MP62的存在使可用底物浓度提高了三倍,并提供了几乎对映纯的内酯(R)-2(分离出的)制备的(97%ee)的产率高于84%。将Noyori模型应用于该反应,并确定动力学常数。