aryl halides was achieved in toluene at 110 °C by using 4 mol % MCM-41-immobilized bidentate nitrogen copper(I) complex [MCM-41–2N-CuI] as catalyst and K3PO4 as base, yielding a variety of N-arylindoles in good to excellent yields. The heterogeneous copper catalyst exhibited as high activity as homogeneous CuI/diamine catalytic system and can be easily prepared by a simple two-step procedure from commercially
使用4 mol%MC
M-41固定的双齿氮
铜(I)络合物[MC
M-41-2N-CuI]作为催化剂和K 3,在110°C的
甲苯中实现了
吲哚与芳基卤化物的异质N-芳基化反应以PO 4为碱,可产生多种N-芳基
吲哚,收率高至优异。这种非均相
铜催化剂具有与均相CuI /二胺催化体系一样高的活性,可通过简单的两步程序轻松地从市售便宜的试剂中制备,并通过简单过滤反应溶液进行回收,可重复使用10个循环,几乎持续的活动。