Process for preparing diaminodiphenyl-alkanes

Details Process for preparing diaminodiphenyl-alkanes Process for preparing diaminodiphenyl-alkanes

1979-06-29

1982-09-28

Hines, Robert V.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

549336, 549344, 549388, 549406, 564322, 564333, C07C 8750

Patent

active

043519571

ABSTRACT:
A process is described for the preparation of bis(aminophenyl)alkanes and bis(aminophenyl)cycloalkanes which comprises condensing a m-alkylphenol with an alkanone or cycloalkanone and heating the resulting condensation product with an at least stoichiometric amount of an acid addition salt of aniline or a substituted aniline or a mixture of such amines.

REFERENCES:
patent: 3418371 (1968-12-01), Krimm et al.
patent: 4052466 (1977-10-01), Sun

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