Hydrogenation of halonitroaromatic compounds

Details Hydrogenation of halonitroaromatic compounds Hydrogenation of halonitroaromatic compounds

1988-02-03

1990-05-29

Robinson, Douglas W.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

564184, 564 47, 564 86, 564417, C07D23100, C07D12719, C07D14380, C07D10322

Patent

active

049297376

ABSTRACT:
Disclosed is an improved process for the preparation of haloaromatic amines by the catalytic hydrogenation of halonitroaromatic compounds in the presence of a chromium-containing Raney cobalt catalyst. The catalyst gives good hydrogenation rates while minimizing formation of dehalogenated by-products.

REFERENCES:
patent: 3929891 (1975-12-01), Habig et al.
patent: 4248799 (1981-02-01), Drake
"The Hydrogenation of Aromatic Nitro Compounds to Aromatic Amines" by Axel M. Stratz.

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