Water-soluble fiber-reactive dyes, method for the production and use thereof
View Patent ↗Dyes of general formula (I) wherein R 1 , R 2 , M, Y and x have the meaning cited in the description, the production and use thereof for dyeing or printing material containing hydroxy and/or carbonamide groups, preferably fiber material.
1. Dyes of the general formula (1):
where
M is hydrogen, alkali, ammonium or the equivalent of an alkaline earth metal ion,
x is 0 or 1,
Y is —CH═CH 2 or —CH 2 CH 2 Z 1 ,
where
Z 1 is hydroxyl or an alkali-detachable group, and
R 1 is hydrogen or C 1 –C 4 -alkyl;
R 2 is a moiety of the general formulae (2), (3) or (4)
where
T 1 is hydrogen, methyl, fluorine, chlorine or bromine,
T 2 is hydrogen, fluorine or chlorine with the proviso that T 2 and T 1 are not both hydrogen;
T 3 is hydrogen, methyl, fluorine, chlorine or bromine,
Y′ is —CH═CH 2 or —CH 2 CH 2 Z 1 ,
where
Z 1 is hydroxyl or an alkali-detachable group, and
L is phenylene or naphthylene, which may be substituted by up to two substituents selected from the group consisting of chloro, bromo, hydroxyl, C 1 to C 4 -alkyl, sulfo, cyano, or
L is a C 2 to C 6 alkylene which is optionally interrupted by 1 to 2 hetero groups.
2. Dyes as claimed in claim 1 , wherein R 2 is a moiety of the general formula (2)
where T 1 , T 2 and T 3 are each as defined in claim 1 .
3. Dyes as claimed in claim 1 , wherein x is 1 and the SO 2 Y group is meta to the azo group.
4. Dyes as claimed in claim 1 , wherein R 2 is difluoropyrimidyl.
5. A process for preparing compounds as claimed in claim 1 which comprises diazotizing the aromatic amines of the general formula (8)
where M, Z, Y and x are each as defined in claim 1 , and coupling onto a coupling component of the general formula (9)
where T 1 , T 2 , T 3 and M are each as defined in claim 1 , followed by a subsequent coppering with copper sulfate pentahydrate.
6. A process for preparing compounds as claimed in claim 1 which comprises diazotizing the aromatic amines of the general formula (8)
where M, Z, Y and x are each as defined in claim 1 , and coupling onto a coupling component of the general formula (10)
where R 1 and M are each as defined in claim 1 , followed by subsequent coppering with copper sulfate pentahydrate and a condensation with a fiber-reactive group of the general formula (11), (12) or (13)
where T 1 , T 2 , T 3 , L and Y′ are each as defined in claim 1 and X is fluorine, chlorine or bromine.
7. A process for preparing compounds as claimed in claim 1 which comprises diazotizing the aromatic amines of the general formula (8)
where M, Z, Y and x are each as defined in claim 1 , followed by coupling onto a coupling component of the general formula (10)
where R 1 and M are each as defined in claim 1 , and a condensation with a fiber-reactive group of the general formula (11), (12) or (13)
where T 1 , T 2 , T 3 , L and Y′ are each as defined in claim 1 and X is fluorine, chlorine or bromine and subsequent coppering with copper sulfate pentahydrate.
8. A process for dyeing or printing hydroxyl- and/or carboxamido-containing material which comprises applying one or more dyes as claimed in claim 1 in dissolved form to the material and fixing the dye or dyes on the material by means of
(a) heat or
(b) with the aid of an alkaline agent or
(c) by means of heat and with the aid of an alkaline agent.
9. A dye preparation comprising the dyes as claimed in claim 1 .
10. Dyes as claimed in claim 2 , wherein
L is phenylene or naphthylene, which may be substituted by up to two substituents selected from the group consisting of chloro, bromo, hydroxyl, methyl, ethyl, sulfo, cyano, or
L is a C 2 to C 6 alkylene which is optionally interrupted by 1 to 2 hetero groups selected from the group consisting of oxo, thio, amino and C 1 –C 4 -alkylamino.
11. Dyes as claimed in claim 10 , wherein x is 1 and the SO 2 Y group is meta to the azo group.
12. Dyes as claimed in claim 11 , wherein R 2 is difluoropyrimidyl.
13. The process as claimed in claim 8 , wherein the material is a fiber material.
14. Dyes as claimed in claim 2 , wherein L is phenylene, ethylene, propylene or oxopentylene.
15. Dyes as claimed in claim 1 , wherein R 2 is 5-chloro-2,4-difluorpyrimidin-6-yl.
16. The process as claimed in claim 5 , wherein the aromatic amines of formula (8) are 3-amino-4-hydroxyphenyl β-hydroxyethyl sulfone, 3-amino-4-hydroxyphenyl β-sulfatoethyl sulfone, 3-amino-4-hydroxyphenyl vinyl sulfone, 4-amino-5-hydroxyphenyl β-hydroxyethyl sulfone, 4-amino-5-hydroxyphenyl β-sulfatoethyl sulfone, 4-amino-5-hydroxyphenyl vinyl sulfone, 3-amino-4-hydroxy-5-sulfophenyl β-sulfatoethyl sulfone, or 3-amino-4-hydroxy-5-sulfophenyl vinyl sulfone.
17. The process as claimed in claim 6 , wherein said aromatic amines of formula (8) are 3-amino-4-hydroxyphenyl β-hydroxyethyl sulfone, 3-amino-4-hydroxyphenyl β-sulfatoethyl sulfone, 3-amino-4-hydroxyphenyl vinyl sulfone, 4-amino-5-hydroxyphenyl β-hydroxyethyl sulfone, 4-amino-5-hydroxyphenyl β-sulfatoethyl sulfone, 4-amino-5-hydroxyphenyl vinyl sulfone, 3-amino-4-hydroxy-5-sulfophenyl β-sulfatoethyl sulfone, or 3-amino-4-hydroxy-5-sulfophenyl vinyl sulfone;
said coupling component of the general formula (10) are 2-amino-5-hydroxynaphthalene-7-sulfonic acid or 2-N-methylamino-5-hydroxynaphthalene-7-sulfonic acid;
fiber-reactive group of the general formula (11) are 2,4,6-trifluoropyrimidine; 4,5,6-trifluoropyrimidine; 2,4,5,6-tetrafluoropyrimidine; 4,6-difluoropyrimidine; 2,4,5,6-tetrachloropyrimidine; 2,4,6-trichloropyrimidine; 2,4,6-tribromopyrimidine; 2,4,6-trifluoro-5-chloropyrimidine; 5-methyl-2,4,6-trichloropyrimidine or 4,6-difluoro-5-chloro-pyrimidine;
fiber-reactive group of the general formula (12) are 3-chloroethylsulfonyl-benzoyl chloride or 2-chloroethylsulfonylpropionyl chloride; and
fiber-reactive group of the general formula (13) are 2,3-dichloroquinoxaline-5-carbonyl chloride or 2,3-dichloroquinoxaline-6-carbonyl chloride.
18. The process as claimed in claim 7 , wherein said aromatic amines of formula (8) are 3-amino-4-hydroxyphenyl β-hydroxyethyl sulfone, 3-amino-4-hydroxyphenyl β-sulfatoethyl sulfone, 3-amino-4-hydroxyphenyl vinyl sulfone, 4-amino-5-hydroxyphenyl β-hydroxyethyl sulfone, 4-amino-5-hydroxyphenyl β-sulfatoethyl sulfone, 4-amino-5-hydroxyphenyl vinyl sulfone, 3-amino-4-hydroxy-5-sulfophenyl β-sulfatoethyl sulfone, or 3-amino-4-hydroxy-5-sulfophenyl vinyl sulfone;
said coupling component of the general formula (10) are 2-amino-5-hydroxynaphthalene-7-sulfonic acid or 2-N-methylamino-5-hydroxynaphthalene-7-sulfonic acid;
fiber-reactive group of the general formula (11) are 2,4,6-trifluoropyrimidine; 4,5,6-trifluoropyrimidine; 2,4,5,6-tetrafluoropyrimidine; 4,6-difluoropyrimidine; 2,4,5,6-tetrachloropyrimidine; 2,4,6-trichloropyrimidine; 2,4,6-tribromopyrimidine; 2,4,6-trifluoro-5-chloropyrimidine; 5-methyl-2,4,6-trichloropyrimidine or 4,6-difluoro-5-chloro-pyrimidine;
fiber-reactive group of the general formula (12) are 3-chloroethylsulfonyl-benzoyl chloride or 2-chloroethylsulfonylpropionyl chloride; and
fiber-reactive group of the general formula (13) are 2,3-dichloroquinoxaline-5-carbonyl chloride or 2,3-dichloroquinoxaline-6-carbonyl chloride.