PREPARATION OF AROMATIC DIAMINES FROM AMINO PHENOLS OR DIHYDROXYAROMATICS AND BROMOANILINE

• Main Author: RENNER, CARL, ANDREW
• Format: Patent
• Language: English
• Published: 23.07.1992
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

Compounds of formula alpha where n is 0 or 1 and -Ar- is (a) or (b), by contacting a bromoaniline with either a potassium salt of an aminophenol or resorcinol dissolved in an amine solvent such as pyridine and in the presence of a copper (I) salt such as copper (I) chloride. The preferred bromoanili...