Process for the preparation of optionally halogenated anilines

Details Process for the preparation of optionally halogenated anilines Process for the preparation of optionally halogenated anilines

1983-06-28

1985-04-02

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

564404, C07C 8504

Patent

active

045089221

ABSTRACT:
Process for the manufacture of an optionally halogenated aniline of the formula: ##STR1## in which Y=halogen, R=H, alkyl (C.sub.1 -C.sub.4) or alkoxy (C.sub.1 -C.sub.4) and n=0 to 5.
Halogenobenzenes of the formula: ##STR2## in which Y, R and n are as above and X=halogen, are subjected to ammonolysis with aqueous ammonia solution, in the presence of copper and 8-hydroxyquinoline.
The process can be used, in particular, for the preparation of 3,5-dichloroaniline.

REFERENCES:
patent: 2159370 (1939-05-01), Dreisbach
patent: 2678314 (1950-12-01), Taylor
patent: 3637711 (1968-03-01), Budde et al.
patent: 4117013 (1978-09-01), Anderson
CA: 94, 64770z, Kondratov et al.

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