| abstract |
The present invention relates to a method for preparing a toluol derivative of formula (I).n n n <Formula I>n n n n n n n n In the formula, R 1 , R 2 and R 3 independently of one another represent hydrogen, halogen, C 1 -C 6 alkyl, hydroxyl or C 1 -C 6 alkoxy.n n n The derivatives are produced by hydrogenation of benzaldehyde and / or benzyl alcohol of formula II with hydrogen in the presence of a catalyst as defined in more detail herein.n n n <Formula II> |