An improved process of producing Amorolfine base, which is a compound of formula (I):
said process including the steps of:
(i) contacting a compound of formula (II):
with a Friedel-Crafts catalyst at a temperature in the range of 20° to 30° C.;
(ii) adding a 2-halogeno-2-methylbutane thereto, and wherein the reaction mixture obtained in step (i) is cooled to a temperature of from −40° to −60° C. prior to step (ii).
一种改进的制备
阿莫罗芬基的方法,该化合物的式子为(I):该方法包括以下步骤:(i)将式子为(II)的化合物与弗里德尔-克拉夫茨催化剂在20℃至30℃的温度下接触;(ii)加入2-卤代-
2-甲基丁烷,其中在步骤(i)中获得的反应混合物在步骤(ii)之前冷却至-40℃至-60℃的温度。