Patent ID: 9187401
Filing Date: 2015-11-17
Classification: C07C

Abstract:
1. A process for preparing a compound represented by the formula which compound may optionally be further mono- or di- substituted with halogen atoms, alkyl groups having 1 to 4 C— atoms and/or alkoxy groups having 1 to 4 C— atoms, wherein R is methyl or ethyl group, comprising: contacting a corresponding compound represented by the formula which compound is not further substituted or further mono- or di- substituted in corresponding positions with halogen atoms, alkyl groups having 1 to 4 C— atoms and/or alkoxy groups having a to 4 C— atoms, with an alkylating agent, wherein the alkylating agent is a compound of the formula (RO) wherein the polymeric quaternary ammonium salt is a polyionene.