Method for the preparation of a phenol

Details Method for the preparation of a phenol Method for the preparation of a phenol

C - Chemistry, Metallurgy

07

C

260/621, 260/611

C07C 37/56 (2006.01) C07C 37/055 (2006.01) C07C 39/02 (2006.01) C07C 209/68 (2006.01) C07C 215/76 (2006.01)

Patent

CA 2032441

AE 6241 A B S T R A C T The invention relates to a method for the preparation of a phenol by an oxidative decarboxylation in the liquid phase of the corresponding aryl carboxylic acid in the presence of a dissolved Cu-containing catalyst, the phenol being obtained through a hydrolysis step. The characteristic part of the method comprises the following process steps: a) catalyst oxidation at 120-190 °C; b) a reduction and hydrolysis step at 225-270 °C;

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