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 DEG C; b) a reduction and hydrolysis step at 225-270 DEG C; o
申请公布号
DE69017864(D1)
申请公布日期
1995.04.20
申请号
DE1990617864
申请日期
1990.12.13
申请人
DSM N.V., HEERLEN, NL
发明人
BUIJS, WIM, NL-6365 BM SCHINNEN, NL;FRIJNS, LEON HUBERTUS BARBARA, NL-6301 GE VALKENBURG, NL;OFFERMANNS, MATTHIAS ROBERT JOZEF, NL-6151 DK MUNSTERGELEEN, NL