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

1980-01-23

1982-04-13

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

564309, 564315, 564335, 564417, C07C 8511, C07C 8524

Patent

active

043249140

ABSTRACT:
A process for the dechlorination of aromatic nitro or amino compounds comprising reacting anilines or nitrobenzenes, which are polysubstituted by chlorine, with hydrogen, under the action of heat, in the presence of an excess of chloride 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: 3148217 (1964-09-01), Freyermuth et al.
patent: 3803054 (1974-04-01), Habig et al.
patent: 3868403 (1975-02-01), Becker et al.
patent: 4085141 (1978-04-01), Wedemeyer et al.
patent: 4206147 (1980-06-01), Daumas et al.

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