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.).
报道了双(三氟甲烷)磺酰亚胺(Tf2NH)催化末端炔烃的分子内加氢酰胺化。Et3SiH和Tf2NH的组合以高收率(最高98%)和高非对映选择性(最高99:1 dr)提供了顺式1,3-二取代的异吲哚啉和sultams。