copper(I)‐catalysed domino transformation for the synthesis of tricyclic imidazobenzimidazole derivatives was developed. Using readily available primary propargylic amines and o‐haloarylcarbodiimides as the starting materials, a variety of substituted benzo[d]imidazo[1,2‐a]imidazoles was efficiently and selectively assembled. Further investigations indicated that the dominoreaction was likely the result
开发了铜(I)催化的多米诺变换,用于合成三环咪唑并苯并咪唑衍生物。使用现成的伯炔丙基胺和邻卤代芳基碳二亚胺作为起始原料,可以有效地,选择性地组装各种取代的苯并[ d ]咪唑并[1,2- a ]咪唑。进一步的研究表明,多米诺骨牌反应可能是新颖的加成/环异构化/偶联过程的结果。