申请人:MAKHTESHIM CHEMICAL WORKS LIMITED
公开号:EP0403952A2
公开(公告)日:1990-12-27
N-n-propyl-N-2-(2,4,6-trichlorophenoxy) ethyl amine is prepared by reacting 2-phenoxy ethanol with thionyl chloride in the presence of a catalytic amount of tetra-alkyl ammonium halide optionally in the presence of a solvent to form 2-phenoxy ethyl chloride; reacting the 2-phenoxy ethyl chloride with n-propylamine at a temp-erature of from 50°C to 150°C optionally in the presence of a solvent to form N-n-propyl-N-2-phenoxy-ethyl amine; selectively chlorinating N-n-propyl-N-2-phenoxyethyl amine with chlorine in the presence of a solvent; and recovering the N-n-propyl-N-2-(2,4,6-trichlorophenoxy) ethyl amine formed.
N-正丙基-N-2-(2,4,6-三氯苯氧基)乙基胺的制备方法是:在催化量的四烷基卤化铵存在下,任选在溶剂存在下,使 2-苯氧基乙醇与亚硫酰氯反应生成 2-苯氧基乙基氯;将 2-苯氧基乙基氯与正丙胺在 50°C 至 150°C 的温度下反应,生成 N-正丙基-N-2-苯氧基乙基胺;在有溶剂存在的情况下,选择性地用氯将 N-正丙基-N-2-苯氧基乙基胺氯化;回收生成的 N-正丙基-N-2-(2,4,6-三氯苯氧基)乙基胺。