Cationic azo dyes containing 2(p-aminophenyl)oxazolo [4,5-b]pyri

Details Cationic azo dyes containing 2(p-aminophenyl)oxazolo [4,5-b]pyri Cationic azo dyes containing 2(p-aminophenyl)oxazolo [4,5-b]pyri

1988-03-24

1989-11-14

Higel, Floyd D.

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

Organic compounds

Azo

534579, 534588, 534589, 534605, 534741, 534752, 534755, 534887, C09B 4400, C09B 4402, C09B 4406, C09B 4408

Patent

active

048809160

ABSTRACT:
Azo dyes of the formula ##STR1## or tautomers thereof, wherein Z is N,S or CH,X is O,S,NR.sup.2 or N, V is N or CH, W is N or C, K is a coupling component from the group consisting of acylacetarylamides, phenols, pyridones, quinolines, pyrazoles, indoles, diphenylamines, aminopyridines, pyrimidines, pyrimidones, naphthols, naphthylamines, aminoathiozoles, thiophenes and hydroxypyridines, R is unsubstituted or substituted alkyl or alkenyl, R.sup.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, nitro, --CN, --NHR.sup.2, --NH--acyl, phenoxy, --COOR.sup.2, --COOR.sup.2 --CONHR.sup.2 or substituted or unsubstituted phenyl, R.sup.2 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.6 alkyl or substituted or unsubstituted phenyl, D is a 1,4-phenylene radical which can be substituted further and AN.THETA. is an anion, and the ring A can also carry a fused, substituted or unsubstituted benzene ring, are used for dyeing and printing textile materials, paper and leather, and for preparing inks.

REFERENCES:
patent: 3167537 (1965-01-01), Menzel et al.
patent: 3420813 (1969-01-01), Mueller et al.
patent: 4081435 (1978-03-01), Baird et al.
Barni et al., Dyes and Pigments, vol. 6, pp. 1-12 (1985).

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