Process for preparation of anilines substituted by chlorine in t

Details Process for preparation of anilines substituted by chlorine in t Process for preparation of anilines substituted by chlorine in t

1980-01-28

1982-09-28

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

564315, 564330, 564309, C07C 8524

Patent

active

043519598

ABSTRACT:
A process for the dechlorination of aromatic nitro or amino compounds consists in reacting anilines or nitrobenzenes which are polysubstituted by chlorine, with hydrogen, under the action of heat, in the presence of iodide or bromide ions, in the liquid phase and at low pressure.
The process makes it possible selectively to obtain anilines which are chlorine-substituted in the meta-position.

REFERENCES:
patent: 3546297 (1970-12-01), Kosak
patent: 3683025 (1972-08-01), Pons
patent: 4085141 (1978-04-01), Wedemeyer et al.

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