公开(公告)号：DE4134497A1

公开(公告)日：1993-04-22

申请号：DE4134497

申请日：1991-10-18

Applicant: BASF AG

Inventor： MERGER FRANZ DR ,  BRUDERMUELLER MARTIN DR ,  SCHMIDT-RADDE MARTIN DR

IPC: C07C29/141 ,  C07C29/145 ,  C07C33/46 ,  C07C41/18 ,  C07C43/174

Abstract: Process for the preparation of 4-halobenzyl alcohols of the general formula I … … in which …… R represents hydrogen, C1- to C20-alkyl, C2- to C20-alkoxyalkyl, C3- to C20-cycloalkyl, C4- to C30-cycloalkylalkyl, … R represents C1- to C20-alkyl, C2- to C20-alkoxyalkyl, C3- to C20-cycloalkyl, C4- to C30-cycloalkylalkyl, … X represents halogen and … m represents 0 to 2, … in which haloaromatic carbonyl compounds of the formula II … … in which the substituents R , R and X and the index m have the abovementioned meaning, are reacted with hydrogen in the presence of an amine on copper catalysts at 50 to 130 DEG C and pressures of 10 to 200 bar, if appropriate in the presence of an inert solvent.