Fiber-reactive disazo brown dye having vinylsulfone-type reactiv

Details Fiber-reactive disazo brown dye having vinylsulfone-type reactiv Fiber-reactive disazo brown dye having vinylsulfone-type reactiv

1985-06-07

1987-10-06

Higel, Floyd D.

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

Organic compounds

Azo

534582, 534598, 534617, 534832, 534833, 534840, 534860, 534875, 534876, 534887, 534637, C09B 62453, C09B 62533, D06P 1384, D06P 366

Patent

active

046984216

ABSTRACT:
A compound, or a salt thereof, represented by the following formula, ##STR1## wherein A is a substituted or unsubstituted phenylene or naphthylene group, B is ##STR2## in which R.sub.3 is a hydrogen atom or a lower alkyl, lower alkoxy, acylamino or ureido group, and R.sub.4 is a hydrogen atom or a lower alkyl or lower alkoxy group, R.sub.1 and R.sub.3 are independently a hydrogen atom or a substituted or unsubstituted lower alkyl group, X is a substituted or unsubstituted amino, lower alkoxy, substituted phenoxy or sulfo group, Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a group capable of being split by the action of an alkali, and m is 2 or 3, which is useful for dyeing hydroxyl group- or amide group-containing fiber materials to give dyed products of a brown color having excellent fastness properties with good build-up property.

REFERENCES:
patent: 2722527 (1955-11-01), Wehrli et al.
patent: 3261825 (1966-07-01), Lesslie et al.
patent: 3655638 (1972-04-01), Ulrich et al.
patent: 4083840 (1978-04-01), Schoefberger
patent: 4329282 (1982-05-01), Henk
patent: 4378313 (1983-03-01), Kayane et al.
patent: 4412948 (1983-11-01), Omura et al.

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