Reactive dyes, their preparation and use

Details Reactive dyes, their preparation and use Reactive dyes, their preparation and use

C - Chemistry, Metallurgy

09

B

8/25, 260/162.2

C09B 62/09 (2006.01) D06P 1/06 (2006.01)

Patent

CA 1117938

ABSTRACT OF THE DISCLOSURE Reactive dyes of the formula Image (1) , in which D1 is a benzene or naphthalene radical, which can be substituted by one or more alkyl groups having 1 to 4 carbon atoms, alkoxy groups having 1 to 4 carbon atoms, acylamino groups having 1 to 6 carbon atoms, benzoylamino, carbamoyl, sulfamoyl, amino, ureido, hydroxy, carboxy, halogen, sulfo, nitro, phenyl, phenoxy, N-methylsulfamoyl, N-ethylsulfamoyl, N,N-dimethylsulfamoyl or N,N-diethyl- sulfamoyl groups, D2 is a benzene radical which can be sub- stituted by the substituents named under D1, R1 is hydrogen or C1-4-alkyl, the bridge member -N(R1)- is bonded to a ring carbon atom of D2, R2 is hydrogen or C1-4-alkyl which can be substituted by chloro, hydroxy, cyano, methoxy, carboxy or sulfo, and R3 is hydrogen, alkyl which can be substituted by chloro, hydroxy, cyano, alkoxy, carboxy or sulfo, cyclo- hexyl, benzyl which can be substituted by sulfo or methyl, phenethyl or phenyl which can be substituted by C1-4-alkyl, C1-4-alkoxy, acetylamino, nitro, ureido, hydroxy, carboxy, halogen, sulfo, sulfomethyl,trifluoromethyl, sulfamoyl or carbamoyl, or naphthyl which can be substituted by sulfo or hydroxy, or in which the R2 and R3 can be closed to form a six-membered N-heterocyclic ring which can contain as a further hetero-atom nitrogen, oxygen or sulfur, or in which the amino group -NR2R3 is aminopyridine, aminobenz- thiazole, aminoquinoline or aminopyrinidine.

329891

Affiliated with

Also associated with

Rating

Reactive dyes, their preparation and use does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reactive dyes, their preparation and use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reactive dyes, their preparation and use will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1061666