A rare-earth salt Yb(OTf)3-catalyzed regioselective hydroamination of ynamides with anilines and p-toluenesulfonamide has been developed. This protocol provided facile access to a diverse range of amidines with good functional group tolerance in moderate to high yields.
已经开发了稀土盐Yb(OTf)3催化的酰胺与
苯胺和对
甲苯磺酰胺的区域选择性加
氢胺化反应。该方案提供了以中等到高产率容易获得具有良好官能团耐受性的各种range的途径。