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。