Process for the preparation of aromatic amines which are...

Details Process for the preparation of aromatic amines which are... Process for the preparation of aromatic amines which are...

C - Chemistry, Metallurgy

07

C

C07C 213/00 (2006.01) C07C 209/36 (2006.01) C07C 217/84 (2006.01) C07C 217/94 (2006.01)

Patent

CA 2046749

Process for the preparation of aromatic amines which are substituted by C1-C4-alkoxy in the p-position A b s t r a c t Aromatic amines which are substituted by C1-C4-alkoxy in the p-position are prepared by catalytic hydrogenation of the underlying aromatic nitro compounds in a reaction medium comprising sulphuric acid and a C1-C4-alcohol by a Bamberger type rearrangement at elevated temperature, advantageously by carrying out the catalytic hydrogen- ation under elevated pressure. Le A 27 586 -US

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