Process for the preparation of chlorine-substituted aromatic ami

Details Process for the preparation of chlorine-substituted aromatic ami Process for the preparation of chlorine-substituted aromatic ami

1990-08-13

1992-06-09

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

564442, C07C20936

Patent

active

051208750

ABSTRACT:
In the preparation of chlorinated aromatic amines by reaction of corresponding nitro compounds with hydrogen under pressure, at elevated temperature and in the presence of a solvent and small amounts of a basic compound, fewer by-products are formed by using platinum and nickel and/or cobalt on an active charcoal support.

REFERENCES:
patent: 3145231 (1954-08-01), Kosak
patent: 3328465 (1967-06-01), Spiegler
patent: 3546297 (1970-12-01), Kosak
patent: 4070401 (1978-01-01), Hirai et al.
patent: 4230637 (1980-10-01), Zander
Rose et al., The Condensed Chemical Dictionary, p. 22 (1965).

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