Rh-Catalyzed, Regioselective, C–H Bond Functionalization: Access to Quinoline-Branched Amines and Dimers
作者:M. Damoder Reddy、Frank R. Fronczek、E. Blake Watkins
DOI:10.1021/acs.orglett.6b02848
日期:2016.11.4
Rh-catalyzed, chelation-induced, C-5 regioselective C–H functionalization of 8-amidoquinolines with a range of N-Boc aminals is reported for the first time. The addition of in situ generated imines to C(sp2)–H bonds afforded branched amines in good to excellent yields. Moreover, this transformation features good functional group compatibility, broad substrate scope, and mild reaction conditions and
首次报道了具有一系列N -Boc缩醛的Rh催化,螯合诱导的C-5区域选择性C–H功能化的8-氨基喹啉。将原位生成的亚胺添加到C(sp 2)-H键可得到支链胺,收率好至极好。此外,该转化具有良好的官能团相容性,广泛的底物范围和温和的反应条件,并且适用于克级合成。另外,喹啉的空前的,螯合诱导的,位点选择性的,远程二聚化导致在Rh催化的条件下以中等收率形成二聚体构架。