A series of indole derivatives were synthesized through the intramolecular hydroamination of alkynyl sulfonamides using 20 mol% of diethylzinc as the catalyst. A tandem cyclization-nucleophilic addition reaction was also possible to afford C2,C3-disubstituted indoles using 120 mol% of diethylzinc.
一系列
吲哚衍
生物通过使用20摩尔%的
二乙基锌作为催化剂进行炔基磺酰胺的分子内氢
氨化反应合成。同时,使用120摩尔%的
二乙基锌也可以实现串联环化-亲核加成反应,获得C2,C3-二取代的
吲哚。