Trisubstituted imidazoles have been synthesized in high yields in the presence of silica‐bonded S‐sulfonic acid as a catalyst. The reaction was carried out at 130°C under solvent‐free conditions. The reaction work‐up is simple and the catalyst is easily separated from the products by filtration.
在
二氧化硅键合的S-
磺酸作为催化剂的存在下,高取代度合成了三取代的
咪唑。反应在无溶剂条件下于130°C进行。反应后处理很简单,催化剂很容易通过过滤从产物中分离出来。