Patent ID: 9018418
Filing Date: 2015-04-28
Classification: C07C

Abstract:
1. A method for preparation of an aryl poly(oxalkyl) quaternary ammonium compound, said method comprising steps of: 1) reacting a phenol represented by formula (a) with a dihalopolyalkylene ether represented by formula (b) under the action of a phase transfer catalyst, to obtain an arylpoly(oxalkyl) halide represented by formula (c); 2) reacting said arylpoly(oxalkyl) halide with an amination reagent under the action of a phase transfer catalyst, to obtain an arylpoly(oxalkyl) amine represented by formula (d); 3) reacting said arylpoly(oxalkyl) amine with an alkylation reagent, to obtain an aryl poly(oxalkyl) quaternary ammonium compound represented by formula (e); wherein, R