[EN] PROCESS FOR PRODUCTION OF CARBOXYLATED PHENOL DERIVATIVES<br/>[FR] PROCÉDÉ DE PRODUCTION DE DÉRIVÉS DE PHÉNOL CARBOXYLÉS
申请人:RHODIA OPERATIONS
公开号:WO2019028600A1
公开(公告)日:2019-02-14
Disclosed is a new process for the production of carboxylated phenol derivatives comprising at least a step of carboxylation of a mixture of (i) phenol derivative and (ii) phenolate derivative, wherein the molar ratio of (i) / (ii) is comprised between 0.8 and 1.2, in presence of CO2. A process for the production of said mixture of (i) phenol derivative and (ii) phenolate derivative is also disclosed.