Highly Enantioselective Arylation of <i>N</i>,<i>N</i>-Dimethylsulfamoyl-Protected Aldimines Using Simple Sulfur–Olefin Ligands: Access to Solifenacin and (<i>S</i>)-(+)-Cryptostyline II
作者:Tao Jiang、Wen-Wen Chen、Ming-Hua Xu
DOI:10.1021/acs.orglett.7b00776
日期:2017.4.21
With the use of a simple sulfur–olefin ligand, a highly enantioselective rhodium-catalyzed addition of arylboroxines to N,N-dimethylsulfamoyl-protected aldimines has been achieved, allowing access to a broad range of chiral diarylmethylamines in high yields (up to 98%) with uniformly excellent enantioselectivities (up to 99% ee). This catalyst system is also applicable to the arylation of N-tosyl arylimines
通过使用简单的硫-烯烃配体,已经实现了对映体选择性铑催化的芳基硼氧烷到N,N-二甲基氨磺酰基保护的醛亚胺的加成反应,从而可以高收率获得各种手性二芳基甲胺(高达98% )具有一致优异的对映选择性(高达99%ee)。该催化剂体系也适用于N-甲苯磺酰基芳胺的芳基化。通过利用这种方法,可以容易地构建一些具有手性1-芳基-1,2,3,4-四氢异喹啉核心的生物活性分子,例如Solifenacin和(S)-(+)-隐香碱II。