Raney-type catalysts for the hydrogenation of halonitroaromatic

Details Raney-type catalysts for the hydrogenation of halonitroaromatic Raney-type catalysts for the hydrogenation of halonitroaromatic

1996-03-26

1997-11-18

Myers, Helane

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Using transition metal-containing catalyst

585266, 585269, 585270, 585275, C07C 510, C07C 5367

Patent

active

056890214

ABSTRACT:
Halonitroaromatic compounds, e.g., 3-chloro-4-fluoronitrobenzene, are selectively hydrogenated into the corresponding haloaromatic amines, in the essential absence of hydrodehalogenation, by reacting same with hydrogen in the presence of a catalytically effective amount of a novel Raney-type catalyst composition consisting essentially of an alloy of nickel, aluminum and molybdenum, Ni/Al/Mo, the Al/Mo ratio by weight thereof being equal to or greater than 1.

REFERENCES:
patent: 4089812 (1978-05-01), O'Hare et al.
patent: 4297509 (1981-10-01), Chiasson
patent: 4503251 (1985-03-01), Gray et al.
patent: 4904774 (1990-02-01), McDaniel, Jr. et al.

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