Reactive red monoazo dye compound having two vinylsulfone type f

Details Reactive red monoazo dye compound having two vinylsulfone type f Reactive red monoazo dye compound having two vinylsulfone type f

1987-09-29

1989-06-20

Higel, Floyd D.

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

Organic compounds

Azo

534502, 534598, 534638, C09B 6251, D06P 1384, D06P 366

Patent

active

048410330

ABSTRACT:
A monoazo compound of the following formula in a free acid form, ##STR1## wherein R.sub.1 is alkyl, .beta.-carboxyethyl, .beta.-carboxyvinyl or phenyl, R.sub.2, R.sub.3 and R.sub.4 are each hydrogen or alkyl, A.sub.1 and A.sub.2 are each phenylene or naphthylene, B is ##STR2## in which R.sub.5 is hydrogen, methyl or sulfo, L is hydrogen or sulfo, and the asterisked linkage is bonded to the azo group, and Z.sub.1 and Z.sub.2 are each --SO.sub.2 CH.dbd.CH.sub.2, --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H or the like, which is useful for dyeing or printing fiber materials to give dyed or printed products of extremely deep red color excellent in various fastness properties and dischargeability.

REFERENCES:
patent: 3223470 (1965-12-01), Boedeker et al.
Kagaku To Kougyou (Science and Industry), vol. 42, No. 11, pp. 583-594.

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