Scandium triflate-catalysed synthesis of <i>N</i>-substituted pyrroles from amine and 2,5-dimethoxytetrahydrofuran
作者:Bing Zuo、Jiuxi Chen、Miaochang Liu、Jinchang Ding、Huayue Wu、Weike Su
DOI:10.3184/030823409x393628
日期:2009.1
The Clauson–Kass pyrrole synthesis catalysed by scandium triflate afforded N-substituted 2- and 3-unsubstituted pyrroles with yields ranged from good to excellent. Aromatic amines, heteroaomatic amines, 4-methylbenzenesulfonamide and 2-chlorobenzamide are good substrates in this transformation.