Tandem Cu-catalyzed ketenimine formation and intramolecular nucleophile capture: Synthesis of 1,2-dihydro-2-iminoquinolines from 1-(o-acetamidophenyl)propargyl alcohols
Intermolecular Amidation of Quinoline <i>N</i>-Oxides with Arylsulfonamides under Metal-Free Conditions
作者:Xiaoqiang Yu、Sana Yang、Yue Zhang、Mingju Guo、Yoshinori Yamamoto、Ming Bao
DOI:10.1021/acs.orglett.7b02922
日期:2017.11.17
An efficient method for the synthesis of N-(quinolin-2-yl)sulfonamides is described. The intermolecular amidation of quinoline N-oxides with sulfonamides proceeded smoothly in the presence of PhI(OAc)2 and PPh3 to afford N-(quinolin-2-yl)sulfonamides in satisfactory to excellent yields.