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.
本发明揭示了一种生产羧化
酚衍
生物的新工艺,其中至少包括将(i)
酚衍
生物和(ii)
酚酸盐衍
生物混合物进行羧化步骤,其中(i)/(ii)的摩尔比在0.8至1.2之间,在
CO2存在下进行。本发明还揭示了生产所述(i)
酚衍
生物和(ii)
酚酸盐衍
生物混合物的工艺。