An improved process for the preparation of Efinaconazole of Formula (I) or its salts may include reacting triazole compound of Formula (III) or its salts with compound of Formula (IV) or its salts wherein X represents CH2, O or S, in the presence of an alkali metal halide or alkaline earth metal halides to give compound of Formula (II) or its salts wherein X is as defined above and optionally converting compound of Formula (II) or its salts to Efinaconazole or its salts when X represent O or S.
一种改进的制备Efinaconazole(I式)或其盐的过程,可能包括在碱
金属卤化物或碱土
金属卤化物的存在下,将Formula(III式)的三唑化合物或其盐与Formula(IV式)的化合物或其盐(其中X代表
CH2,O或S)反应,以得到Formula(II式)的化合物或其盐,其中X如上所定义,并且在X代表O或S时,可选择将Formula(II式)的化合物或其盐转化为Efinaconazole或其盐。