Kinetic Resolution of Secondary Alcohols by NHC-Catalyzed Oxidative Esterification
作者:Armido Studer、Suman De Sarkar、Anup Biswas、Chie Song
DOI:10.1055/s-0030-1260030
日期:2011.6
Kinetic resolution of racemic secondary alcohols by oxidative esterification using carbene catalysis is described. Good to moderate selectivity has been achieved. N-Heterocyclic carbenes (NHCs) were systematically varied and several aldehydes were included in this study as acyl donors. As an oxidant, a readily available bisquinone-type system was used. carbene catalysis - kinetic resolution - oxidative
描述了通过使用卡宾催化氧化酯化的消旋仲醇的动力学拆分。已经实现了良好到中等的选择性。N-杂环卡宾(NHCs)有系统地变化,几种醛作为酰基供体被包括在本研究中。作为氧化剂,使用容易获得的双醌型体系。 卡宾催化-动力学拆分-氧化酯化-仲醇-酰基la离子