Intermolecular Amidation of Quinoline N-Oxides with Arylsulfonamides under Metal-Free Conditions.
Xiaoqiang YuSana YangYue ZhangMingju GuoYoshinori YamamotoMing BaoPublished in: Organic letters (2017)
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.