摘要 |
A process for preparing toluene derivatives of the formula I where R<SUP>1</SUP>, R<SUP>2 </SUP>and R<SUP>3 </SUP>are, independently of one another, hydrogen, alkyl radicals, hydroxyl groups and/or alkoxy groups, comprises reacting the corresponding benzoic acids, benzoic esters or benzoic anhydrides with hydrogen in the presence of a catalyst. |