Process for preparing substituted aromatic amines
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United States of America Patent
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Apr 8, 1997
Issued Date -
N/A
app pub date -
May 18, 1995
filing date -
May 22, 1992
priority date (Note) -
Expired
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Abstract
A process for preparing substituted aromatic amines 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 protic material at a temperature of about 70.degree. C. to about 200.degree. 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 amines of the invention are reductively alkylated to produce alkylated diamines or substituted derivatives thereof.
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