Process for the manufacture of 1,4-diaminoanthraquinone-2-carbox

Details Process for the manufacture of 1,4-diaminoanthraquinone-2-carbox Process for the manufacture of 1,4-diaminoanthraquinone-2-carbox

1979-04-26

1981-01-06

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10375

Patent

active

042436001

ABSTRACT:
A process for the manufacture of 1,4-diaminoanthraquinone-2-carboxylic acid, which comprises reacting 1-nitroanthraquinone-2-carboxylic acid or derivatives thereof with hydroxylamine or derivatives thereof, in alcohol/water mixtures at basic value pH values.

REFERENCES:
patent: 2051004 (1936-08-01), Koeberle et al.
patent: 2717255 (1955-09-01), Westlake et al.
patent: 3417090 (1968-12-01), Pelster et al.
patent: 4016182 (1977-04-01), Buecheler
patent: 4046785 (1977-09-01), Hirai et al.
patent: 4076735 (1978-02-01), Seha

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