Azo dye compound

Details Azo dye compound Azo dye compound

2007-05-22

2007-05-22

Powers, Fiona T. (Department: 1626)

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

Reexamination Certificate

active

11280345

ABSTRACT:
A compound represented by formula (I):Formula (I)wherein Z1and Z2each are atoms necessary for forming an aromatic ring; V1and V2each are a substituent W1or W2; when at least one V1is W1, at least one V2is W2, or when at least one V1is W2, at least one V2is W1; r is 1 to 4; s is 1 to 4; M1is a counter ion; m1is the number necessary for neutralizing charge; W1is a hydroxyl, primary- or secondary- or tertiary-amino, acylamino, or sulfonamido group; W2is a nitro, cyano, alkoxycarbonyl, aryloxycarbonyl, alkyl- or aryl-sulfonyl, carbamoyl, sulfamoyl, alkenyl, alkynyl, aryl, heterocyclic, sulfo, carboxyl, heterocyclic oxy, ammonio, alkyl- or aryl-sulfinyl, alkyl- or aryl-sulfonyl, acyl, or aryl- or heterocyclic-azo group; and the aromatic ring may have a substituent other than V1and V2.

REFERENCES:
patent: 4369318 (1983-01-01), Jan
patent: 577631 (1933-06-01), None
Beck et al., J. Heterocyclic Chem., 24(1), 243-245, 1987.
Klaus Hunger (Editor), Industrial Dyes: Chemistry, Properties, Applications (2003) (cover page, colophon, contents (VIII to XI), and pp. 112-117, 134-139, 160-173, and 226-245).
Robert K. Lynn et al.; Toxicology and Applied Pharmacology, vol. 56, pp. 248-258, 1980.
J. Org. Chem., vol. 65, pp. 6388-6397, 2000, Benin et al.

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