Manufacture of aromatic amines

Details Manufacture of aromatic amines Manufacture of aromatic amines

1992-11-25

1999-03-23

Morris, Patricia L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5483701, C07D24916, C07D23120

Patent

active

058861890

ABSTRACT:
Sulfur-contaminated aromatic nitro compounds are hydrogenated in the presence of a chrominum-containing Raney cobalt catalyst to corresponding primary amino compounds which are useful as intermediates for photographic dye-forming couplers and for other purposes.

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Chemical Abstracts, 87:167196b, 90:87158n, and 92:163351d.
"The Raney Catalyst Family", W. R. Grace & Co. brochure.
Horner et al, "Hydrogen transfer, etc " CA 105: 114375t (1986).

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