Process for the preparation of 4-nitroso-diphenyl-amine

Details Process for the preparation of 4-nitroso-diphenyl-amine Process for the preparation of 4-nitroso-diphenyl-amine

1980-09-02

1982-04-13

Doll, John

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

Organic compounds

Amino nitrogen containing

564441, C07C 85145, C07C 8500

Patent

active

043249132

ABSTRACT:
A process for the preparation of 4-nitroso-diphenylamine by rearranging N-nitroso-diphenylamine according to Fischer-Hepp to o-dichlorobenzene, under the effect of alcoholic hydrochloric acid and working up the suspension of the 4-nitroso-diphenylamine-hydrochloride.

REFERENCES:
patent: 2782235 (1957-02-01), Lantz et al.
patent: 4034042 (1977-07-01), Wedemeyer et al.
patent: 4102926 (1978-07-01), Usvyatsov et al.

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