Pyridone monoazo compound having vinylsulfone type fiber-reactiv

Details Pyridone monoazo compound having vinylsulfone type fiber-reactiv Pyridone monoazo compound having vinylsulfone type fiber-reactiv

1985-11-05

1987-10-20

Higel, Floyd D.

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

Organic compounds

Azo

534617, 534635, 534803, 534581, 534582, 534598, C09B 6245, C09B 6253, D06P 1384, D06P 366

Patent

active

047015241

ABSTRACT:
A monoazo compound, or a salt thereof, of the formula, ##STR1## wherein W is a hydrogen atom or a carbamoyl group, R.sub.1 is a lower alkyl group, R.sub.2 and R.sub.3 are independently a hydrogen atom or a lower alkyl group, A is an unsubstituted or substituted phenylene or naphthylene 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 X is an aromatic or aliphatic group substituted with one or two members selected from sulfonic acid group and carboxylic acid group, which is useful for dyeing fiber materials to give dyed products of a characteristic yellow color excellent in various fastness properties.

REFERENCES:
patent: 3261824 (1966-07-01), Randall et al.
patent: 3459729 (1969-08-01), Crotte et al.
patent: 4283331 (1981-08-01), Seitz et al.

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