Preparation process for aminoanthraquinone derivatives

Details Preparation process for aminoanthraquinone derivatives Preparation process for aminoanthraquinone derivatives

1991-06-25

1993-03-23

Rotman, Alan L.

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

Organic compounds

Polycyclo ring system containing anthracene configured ring...

552228, C07C30330, C07C30702

Patent

active

051965534

ABSTRACT:
A process for the preparation of aminoanthraquinone derivatives comprises reacting (A) bromaminic acid or a metal salt thereof with (B) an amine or amide in an aqueous alkaline medium in the presence of a copper (I) salt formed by in situ reduction of a copper (II) salt.

REFERENCES:
patent: 2329809 (1940-10-01), Wuertz et al.
patent: 4510087 (1985-04-01), Hattori et al.
patent: 4521341 (1985-06-01), Krock et al.
CA 112(13):118010n (1990).
CA 100(26):211655p (1990).

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