Process for preparing substituted aromatic amines

Details Process for preparing substituted aromatic amines Process for preparing substituted aromatic amines

C - Chemistry, Metallurgy

07

C

C07C 211/55 (2006.01) C07C 209/42 (2006.01) C07C 209/68 (2006.01) C07C 231/12 (2006.01) C07C 233/80 (2006.01) C07C 245/08 (2006.01)

Patent

CA 2135491

A process for preparing substituted aromatic azo compounds is provided which comprises contacting a nucleophilic compound and an azo containing compound in the presence of a suitable solvent system, and reacting the nucleophilic compound and the azo containing compound in the presence of a suitable base and a controlled amount of protic material at a temperature of about 10°C to about 150°C in a confined reaction zone wherein the molar ratio of protic material to base is 0:1 to about 5:1. In another embodiment the substituted aromatic azo compounds are further reacted with a nucleophilic compound in the presence of a suitable solvent system, a suitable base and a controlled amount of erotic material at a temperature of about 70°C to about 200°C in a confined reaction zone wherein the molar ratio of erotic material to base is 0:1 to about 5:1 to produce a substituted aromatic amine in another embodiment, a process for preparing substituted aromatic amines is provided which comprises contacting a nucleophilic-compound and a substituted aromatic azo compound in the presence of a suitable solvent system, and reacting the nucleophilic compound and the substituted aromatic azo compound in the presence of a suitable base and a controlled amount of erotic material at a temperature of about 70°C to about 200°C in a confined reaction zone wherein the molar ratio of erotic material to base is 0:1 to about 5:1. In another embodiment, the substituted aromatic amines of the invention are reductively alkylated to produce alkylated diamines or substituted derivatives thereof.

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