Copper formazan reactive dyes containing a monofluorotriazine or

Details Copper formazan reactive dyes containing a monofluorotriazine or Copper formazan reactive dyes containing a monofluorotriazine or

1988-11-04

1991-04-02

Higel, Floyd D.

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

Organic compounds

Azo

534652, C09B 62095, C09B 5000, C09B 6724, D06P 366

Patent

active

050048074

ABSTRACT:
Copper formazan reactive dyes of the formula: ##STR1## where X is cyano, halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, one of two radicals Y and Z is hydrogen and the other is hydroxysulfonyl, R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl or cyano- or carbamoyl-substituted C.sub.2 -C.sub.4 -alkyl and R.sup.2 is fluorine or chlorine, and salts thereof are useful for dyeing cellulose fibers, resulting in blue shades. Such dyes are soluble in water and have a high fastness level and tinctorial strength.

REFERENCES:
patent: 4556706 (1985-12-01), Hegar et al.
Houben-Weyl, Methoden der Organischen Chemie, vol. 10/2, 1967, pp. 487 and 488.

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