A novel method for preparing a compound of formula I
which comprises of coupling the piperazine derivative of formula II
with alkyl halide containing compound of the formula III
by heating in solvent free conditions or, optionally, in a minimum quantity of non-aqueous suspending liquid, in presence of a catalyst and a neutralizing agent to neutralize the hydrohalic acid.
一种制备I式化合物的新方法,包括在无溶剂条件下或可选择在最少量的非
水悬浮液中,在催化剂和中和剂的存在下,通过加热将II式
哌嗪衍
生物与III式含有烷基卤化物的化合物偶联,以中和氢卤酸。