Process for preparing aryl amines

Details Process for preparing aryl amines Process for preparing aryl amines

B - Operations, Transporting

01

J

260/597.7

B01J 27/122 (2006.01) B01J 23/72 (2006.01) B01J 27/055 (2006.01)

Patent

CA 1231971

ABSTRACT A process for preparing an unsymmetrical, substituted di- tertiary amine comprising reacting a di-secondary amine having the general formula R2-HN-R1-NH-R3 wherein R1 is a polyarylidene group, a polyarylether group or a polyaryl sulfide group each group containing from 2 to 6 aryl groups and R2 and R3 are each aryl groups having substituted thereon alkyl radicals having from 1 to 20 carbon atoms, phenyl radicals or alkaryl radicals, with an aryl iodide in the presence of an alkali metal base and a copper catalyst under an inert atmosphere at a temperature between about 100°C and about 225°C for a time sufficient to form the unsymmetrical, substituted di-tertiary amine.

461676

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