Monoazo compounds having vinylsulfone type fiber reactive group

Details Monoazo compounds having vinylsulfone type fiber reactive group Monoazo compounds having vinylsulfone type fiber reactive group

1994-02-07

1996-01-30

Richter, Johann

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

Organic compounds

Azo

534612, 534635, 534638, 534642, 534641, C09B 6251, C09B 62085, D06P 1384

Patent

active

054880980

ABSTRACT:
A monoazo compound of the following formula, ##STR1## wherein D is phenylene or naphthylene; X is halogeno, pyridinio or ##STR2## B is --OR.sub.3, --SR.sub.4, ##STR3## in which R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, r is 0 or 1, and E is O, SO, SO.sub.2, CH.sub.2 or NR.sub.8, in which R.sub.8 is hydrogen or C.sub.1 -C.sub.4 alkyl; R, R.sub.1, R.sub.2 and R.sub.7 are each hydrogen or alkyl; A.sub.1, A.sub.2 and A.sub.3 are each phenylene, naphthylene or alkylene; Z.sub.1, Z.sub.2 and Z.sub.3 are each --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Y, in which Y is a splittable group; and p is 0 or 1; which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.

REFERENCES:
patent: 4766206 (1988-08-01), Tzikas
patent: 5037965 (1906-08-01), Morimitsu et al.
patent: 5175263 (1992-12-01), Schlafer
Chemical Abstracts, 114, 64249T, Ludwig Schlaefer: "Bifunctional reactive azo dyes" & DE 3,905,403 (1991).
Chemical Abstracts, 114, 145437f, Springer et al.: "Reactive azo dyes" & DE 3,905,074 (1991).

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