Process for the selective preparation of meta-chloroanilines

Details Process for the selective preparation of meta-chloroanilines Process for the selective preparation of meta-chloroanilines

1981-07-14

1983-11-29

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

564305, 564309, 564315, 564330, 564417, C07C 8511, C07C 8524

Patent

active

044182139

ABSTRACT:
Process for the selective preparation of meta-chloroanilines.
It is carried out by the hydrodechlorination of polychloroanilines or polychloronitrobenzenes with hydrogen, in the liquid phase, under the action of heat, at atmospheric pressure or under pressure, in the presence of a noble metal, in an anhydrous organic medium and in the presence of a Lewis acid.
These meta-chloroanilines are intermediates especially for active plant-protection substances.

REFERENCES:
patent: 4085141 (1978-04-01), Wedemeyer et al.
Royals, "Advanced Organic Chemistry", pp. 467-469 (1954).

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