Reactive dyes, process for their preparation and the use thereof

Details Reactive dyes, process for their preparation and the use thereof Reactive dyes, process for their preparation and the use thereof

1996-03-12

1997-01-28

Powers, Fiona T.

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

Organic compounds

Azo

534643, C09B 6251, C09B 62473, D06P 1384

Patent

active

055979041

ABSTRACT:
Reactive dyes of formula ##STR1## wherein Z is a group of formula --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Y, and Y is a leaving group, and K is a radical of formula ##STR2## wherein X is a radical of formula --(CH.sub.2).sub.n --Cl, ##STR3## or --CH.dbd.CH.sub.2 ; Hal is halogen; and n is 1, 2, 3 or 4; R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl; R.sub.1 is amino or hydroxyl; R.sub.2 is methyl or carboxyl; and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or carboxyl, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials in high tinctorial yield, and give dyeings and printings with good fastness properties.

REFERENCES:
patent: 3129052 (1964-04-01), Dawson et al.
patent: 4210582 (1980-07-01), De Montmollin
patent: 4560388 (1985-12-01), Rohrer
patent: 4769446 (1988-09-01), Corso et al.
patent: 4885360 (1989-12-01), Scheibli
patent: 4963661 (1990-10-01), Tappe et al.
patent: 4975539 (1990-12-01), Ludwig
patent: 5070189 (1991-12-01), Schlafer et al.
patent: 5082963 (1992-01-01), Phillips et al.
patent: 5391718 (1995-02-01), Tzikas et al.
patent: 5463033 (1995-10-01), Donovan et al.

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