Patent ID: 9463337
Filing Date: 2016-10-11
CPC Classification: A61K,A61Q,C07C

Claim Text:
1. A process for making the quaternary ammonium compound, p-methoxy cinnamidopropyl behenyl dimethyl ammonium chloride of Formula I, wherein R is a linear alkyl group with minimum of 80% by wt. behenyl (C 22) said process comprising the steps of: a) reacting p-methoxy cinnamoyl chloride (Formula III) with N,N-dimethyl aminopropylamine in aqueous medium to give p-methoxy cinnamidopropyl dimethyl amine (Formula II) and b) quaternizing p-methoxy cinnamidopropyl dimethyl amine with behenyl chloride at temperature of 140° C.-150° C. and pressure of 1 Kg/cm