Reactive pyridone azo dyes having both monochlorotriazinyl and v

Details Reactive pyridone azo dyes having both monochlorotriazinyl and v Reactive pyridone azo dyes having both monochlorotriazinyl and v

1982-11-18

1987-02-17

Higel, Floyd D.

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

Organic compounds

Azo

534617, 534642, 534582, C09B 62028, C09B 6245, C09B 6251, C09B 1382

Patent

active

046440585

ABSTRACT:
A monoazo compound represented by a free acid of the formula: ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, or an alkyl, aralkyl or cyclohexyl group; R.sub.3 represents a hydrogen atom or a methyl or sulfonic acid group; R.sub.4 represents a hydrogen atom or an alkyl group; A represents an oxygen atom or --NH--; X.sub.1 and X.sub.2 independently represent a hydrogen or chlorine atom, or a methyl, methoxy, carboxyl or sulfonic acid group; and Y represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 Z in which Z represents a halogen atom, --OSO.sub.3 H or --OPO.sub.3 H.sub.2. This compound is used for dyeing cellulose fibers to give dyed products of yellow to reddish yellow having excellent fastnesses, particularly chlorine fastness.

REFERENCES:
patent: 3223470 (1965-12-01), Boedeker
patent: 3936436 (1976-02-01), Berrie
patent: 4039523 (1977-08-01), Hegar
patent: 4299764 (1981-11-01), Jager
Chemical Abstracts, vol. 95, No. 8, Aug. 1981, p. 73, No. 63672 C, Columbus, Ohio, USA and JP-A-81 37379 (Sumitomo Chemical Co., Ltd.), 11-04-1981 Abstract.
Chemical Abstracts, vol. 95, No. 8, Dec. 1981, p. 75, No. 205410 S, Columbus, Ohio, USA and JP-A-81 92961 (Sumitomo Chemical Co., Ltd.), 28-07-1981 Abstract.

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