Methine-azo compounds containing cyclic cationic ammonium groups

Details Methine-azo compounds containing cyclic cationic ammonium groups Methine-azo compounds containing cyclic cationic ammonium groups

1988-02-29

1989-11-28

Higel, Floyd D.

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

Organic compounds

Azo

534605, 534607, 534610, 534619, 534691, C09B 4408, C09B 4410, D06P 141

Patent

active

048838667

ABSTRACT:
Methine-azo compounds of the formula ##STR1## in which A is the complement to a heterocyclic 5- or 6-membered ring which has a quaternized N atom as a ring member, which can contain further hetero atoms and which can be substituted and/or fused with carbocyclic or heterocyclic rings,
R is hydrogen, cyano or C.sub.2 -C.sub.3 -alkylene which is bonded to an N atom of ring A to form a 5- or 6-membered ring,
B is substituted or unsubstituted phenylene or naphthylene,
X.sup..crclbar. is an anion and
KK is the radical of a coupling component of the benzene series, of the naphthaline series or of the heterocyclic series,
with the provisos that
(a) if A is the complement to a quaternized, substituted or unsubstituted pyridine, quinoline or indolenine radical, KK is not the radical of a substituted or unsubstituted phenol, sulfo-free naphthol, naphthylamine, aniline, quinoline, isoquinoline, pyrazole or indole coupling component and
(b) if A is the complement to a quaternized, substituted or unsubstituted benzothiazole or pyrimidine radical, KK is not a substituted or unsubstituted phenol or aniline coupling component.
These compounds can be used as dyes for dyeing or printing for example polyacrylonitrile, acid-modified polyester and in particular paper.

REFERENCES:
patent: 3185538 (1965-05-01), Voltz et al.
patent: 3331381 (1967-07-01), Raue et al.
patent: 3338660 (1967-08-01), Biedermann
patent: 3933786 (1976-01-01), Peter et al.
patent: 3956264 (1976-05-01), Raue et al.
patent: 4557732 (1985-12-01), Hahnke et al.
2620 790 11-1976 W. Germany Frey et al.
Voltz et al. II, Chemical Abstracts, vol. 61, #1213670 12/37 (1964).

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