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 245/08 (2006.01) C07C 209/02 (2006.01) C07C 209/42 (2006.01) C07C 209/68 (2006.01) C07C 211/54 (2006.01) C07C 211/55 (2006.01) C07C 303/22 (2006.01) C07C 309/46 (2006.01) C07D 295/135 (2006.01)

Patent

CA 2159223

A process for preparing substituted aromatic amines is provided which comprises contacting a nucleophilic compound and an azo containing compound is the presence of a suitable solvent system, 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 and reducing the product of the reaction of the nucleophilic compound and the azo containing compound under conditions which produce the substituted aromatic amine. In another embodiment, the substituted aromatic amines of the invention are inductively alkylated to produce alkylated diamines or substituted derivatives thereof. In another embodiment, a process for preparing alkylated aromatic amines or substituted derivatives thereof is provided which comprises contacting a nucleophilic compound and an azo containing compound in the presence of a suitable solvent system, 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, and reductively alkylating the product of the reaction of nucleophilic compound and the azo containing compound under conditions which produce the alkylated aromatic amine or substituted derivative thereof.

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