Polystyrene-supported GaCl3 as a highly efficient and recyclable heterogeneous Lewis acid catalyst for one-pot synthesis of N-substituted pyrroles
作者:Ali Rahmatpour
DOI:10.1016/j.jorganchem.2012.03.025
日期:2012.8
of N-substituted pyrroles from one-pot condensation reaction of 2,5-hexanedione with amines and diamines in the presence of polystyrene-supported gallium trichloride (PS/GaCl3) as a highly active and reusable heterogeneous Lewis acid catalyst is presented. This new protocol has the advantages of easy availability, stability, reusability and eco-friendly of the catalyst, high to excellent yields, simple
在高活性聚苯乙烯负载的三氯化镓(PS / GaCl 3)存在下,由2,5-己二酮与胺和二胺进行一锅缩合反应制备N-取代吡咯的一种新的环境友好方法。提出了可重复使用的多相路易斯酸催化剂。该新方案的优点是容易获得,稳定,可重复使用且对催化剂生态友好,产率高至优异,实验和后处理程序简单。