Process for preparation of 3,3'- or 3,4'-diamino benzophenone

Details Process for preparation of 3,3'- or 3,4'-diamino benzophenone Process for preparation of 3,3'- or 3,4'-diamino benzophenone

1983-01-03

1985-12-03

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

564411, 564412, C07C 9710

Patent

active

045567387

ABSTRACT:
3,3'- or 3,4'-diamino benzophenone is prepared by catalytically reducing and dehalogenating, in the presence of a reduction catalyst and a dehydrohalogenation agent, a benzophenone compound or benzophenone compounds of the general formula ##STR1## in which X is a halogen atom at position 2 or 4 of the benzene ring and Y is hydrogen or a halogen atom and in which the nitro group is at position 3' or 4' of the benzene ring if Y is hydrogen, while Y is at position 4' and the nitro group is at position 3' of the benzene ring if Y is a halogen atom.

REFERENCES:
patent: 2525508 (1950-10-01), Zimmerman
patent: 3213139 (1965-10-01), Chase et al.
patent: 3215737 (1965-11-01), Nelson et al.
patent: 3711552 (1973-01-01), Foster et al.
patent: 3988300 (1976-10-01), Cross

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