在简单的耐空气无机盐K 3 PO 4的催化下,已使用各种羧酸作为偶联剂构建了伯/仲胺直接N-单/二烷基/氟烷基化的可扩展方案。有利的特征包括100种实例,10种药物和类药物胺,氟化复杂的叔胺,克级合成和同位素标记胺,因此证明了该方法在工业上的潜在适用性。与减少酰胺中间体所需的传统反应性金属氢化物或硼氢化物相比,反应性较小的氢化硅的参与可能有助于显着的官能团相容性。
We disclosed a regio-selective C–H and N–H bond functionalization of indolines using alcohols in water via tandem dehydrogenation of N-heterocycles and alcohols. A diverse range of N- and C3-alkylated indolines/indoles were accessed utilizing a new cooperative iridium catalyst. The practical applicability of this methodology was demonstrated by the preparative-scale synthesis and synthesis of a psychoactive