Treatment of 1-acylimidazoles with alcohols in the presence of N-bromosuccinimide led to the rapid formation of the corresponding esters. The carboxylic acids with less than two hydrogen atoms at their α-positions generally gave good results. Even such a hindered ester as t-butyl pivalate could be prepared by this procedure.
在N-
溴代琥珀
酰亚胺的存在下,将1-酰基
咪唑与醇反应,能够迅速合成相应的酯。通常情况下,α-位氢原子少于两个的
羧酸酯可以获得良好的结果。即便是像特丁基新
戊酸酯这样阻碍较大的酯,也可以通过这种方法制备。