Diastereoselective synthesis of 1,3-disubstituted isoindolines and sultams <i>via</i> bronsted acid catalysis
作者:Ye Tao、Scott R. Gilbertson
DOI:10.1039/c8cc04946g
日期:——
The bis(trifluoromethane)sulfonimide (Tf2NH) catalyzed intramolecular hydroamidation of terminal alkynes is reported. The combination of Et3SiH and Tf2NH provides cis-1,3-disubstituted isoindolines and sultams in high yield (up to 98%) and high diastereoselectivity (up to 99 : 1 d.r.).