In the present study, a rapid, simple and an efficient procedure for the Knoevenagel condensation of various carbonyl and active methylene compounds in ethanol at a moderate temperature in the presence of a catalytic amount of an efficient, environmentally benign and inexpensive ammonium chloride is reported. Simple reaction procedure, economic and ecofriendly catalyst, mild reaction conditions and
在本研究中,报道了一种快速、简单且有效的方法,用于在催化量的高效、环境友好且廉价的
氯化铵存在下,在中等温度下在
乙醇中对各种羰基和活性亚甲基化合物进行Knoevenagel缩合。反应流程简单、催化剂经济环保、反应条件温和、产品收率良好至优异是本研究的特点。非萃取后处理/纯化、经济且环境友好的催化剂使得这种操作简单的程序适合大规模使用。