Synthesis of bis(aminophenyl) compounds

Details Synthesis of bis(aminophenyl) compounds Synthesis of bis(aminophenyl) compounds

1981-10-05

1983-01-25

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

564413, 564430, 564328, C07C 8750

Patent

active

043705014

ABSTRACT:
A simplified process for converting bis-phenols to dianilines is disclosed. Selected catalytic complexes are used to cause a nucleophilic displacement reaction between a bis-phenol and a quinazoline to occur thereby yielding a bis-quinazoline that may be subsequently converted into a bis-quinazolinone and hydrolyzed to form the desired dianiline.

REFERENCES:
patent: 3418371 (1968-12-01), Krimm et al.
patent: 4177211 (1979-12-01), Sun

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