Patent ID: 6011178
Filing Date: 2000-01-04
Classification: C07C

Abstract:
A process for the preparation of 2-amino-4,5,3',4'-hoxybenzophenone of formula: ##STR5## characterized in that, in a first stage, 3,3',4,4'-tetramethoxybenzophenone of formula: ##STR6## is nitrated using nitric acid in the presence of acetic acid to 2-nitro-4,5,3',4'-methoxybenzophenone of formula: ##STR7## and, in a second stage, the 2-nitro-4,5,3',4'-tetramethoxybenzophenone of formula III is reduced to the 2-amino-4,5,3',4'-tetramethoxybenzophenone of formula I.