反应详情

Following the general procedure I, 0.25 mol of 4,5-dichloro-2-methoxyaniline in 200 ml of water and 60 ml of concentrated hydrochloric acid are hydrogenated in the presence of the catalyst from Example 1 at 180° C. over the course of 45 minutes under a hydrogen pressure of 100 atmospheres gauge. 5-Chloro-2-methoxyaniline is obtained in a yield of 40% and a purity of 74%.