EP0273343A2
Expired / Lapsed
EP
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Monoazo compounds, process for their preparation and their use for dyeing or printing
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1987-12-21
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Granted: —
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Expires: 2007-12-21
Abstract
Abstract Described are monoazo compounds of the general formula, wherein R₁, R₂ and R are independently hydrogen or alkyl, R₄ is alkyl or carboxy, A is in which R₅ is hydrogen, methyl, methoxy, ethoxy, sulfo or carboxy, X is hydrogen or sulfo, n is 0 or 1, and the asterisked linkage bonds to the azo group, B₁ and B₂ are independently phenylene or naphthylene, W is hydrogen, carbamoyl, sulfoalkyl, cyano, sulfo, chloro or bromo, and Y₁ and Y₂ are independently -CH=CH₂, -CH₂CH₂OSO₃H or the like, which is useful for dyeing hydroxy group- or carbonamide group-containing materials in a deep yellow color excellent in various fastness properties such as light fastness, perspiration-light fastness and chlorine fastness.
Inventors
- 👤 Kazufumi Yokogawa
- 👤 Naoki Harada
- 👤 Takashi Omura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 06:31
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/503; C09B62/507; C09B62/51; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
150 words
Monoazo compounds of the general formula (I), wherein R₁ and R₂ independently of one another are each hydrogen or unsubstituted or substituted alkyl, R₃ is hydrogen or alkyl, R₄ is alkyl or carboxy, A is a divalent group represented by the general formula (II) or (III) in each free acid form, in which R₅ is hydrogen, methyl, methoxy, ethoxy, sulfo or carboxy, X is hydrogen or sulfo, n is 0 or 1, and the asterisked linkage bonds to the azo group, B₁ and B₂ independently of one another are each phenylene unsubstituted or substituted once or twice by methyl, methoxy, ethyl, ethoxy, chloro, bromo, sulfo or carboxy, or naphthylene unsubstituted or substituted by sulfo, W is hydrogen, carbamoyl, sulfoalkyl, cyano, sulfo, chloro or bromo, and Y₁ and Y₂ independently of one another are each -CH=CH₂ or -CH₂CH₂Z in which Z is a group splittable by the action of an alkali.
Claim 2
Dependent Claim
150 words
Monoazo compounds of the general formula (I), wherein R₁ and R₂ independently of one another are each hydrogen or unsubstituted or substituted alkyl, R₃ is hydrogen or alkyl, R₄ is alkyl or carboxy, A is a divalent group represented by the general formula (II) or (III) in each free acid form, in which R₅ is hydrogen, methyl, methoxy, ethoxy, sulfo or carboxy, X is hydrogen or sulfo, n is 0 or 1, and the asterisked linkage bonds to the azo group, B₁ and B₂ independently of one another are each phenylene unsubstituted or substituted once or twice by methyl, methoxy, ethyl, ethoxy, chloro, bromo, sulfo or carboxy, or naphthylene unsubstituted or substituted by sulfo, W is hydrogen, carbamoyl, sulfoalkyl, cyano, sulfo, chloro or bromo, and Y₁ and Y₂ independently of one another are each -CH=CH₂ or -CH₂CH₂Z in which Z is a group splittable by the action of an alkali.
Claim 3
Dependent Claim
24 words
A compound according to Claim 1, wherein B₁ and B₂ independently of one another are each phenylene unsubstituted or substituted by methyl or methoxy.
Claim 4
Dependent Claim
23 words
A compound according to Claim 1, wherein any one of R₁ and R₂ is hydrogen, and the other is hydrogen, methyl or ethyl.
Claim 5
Dependent Claim
10 words
A compound according to Claim 1, wherein W is hydrogen.
Claim 6
Dependent Claim
44 words
A compound according to Claim 1, wherein A is a divalent group of the formula (II) as defined in Claim 1 or the following formula wherein the asterisked linkage is as defined in Claim 1, and Rʹ₅ is hydrogen, methyl, methoxy, sulfo or carboxy.
Claim 7
Dependent Claim
13 words
A compound according to Claim 1, wherein both Y₁ and Y₂ are β-sulfatoethyl.
Claim 8
Dependent Claim
25 words
A compound represented by the following formula in a free acid form, wherein R₆ is hydrogen, methyl or ethyl, and R₇ is methyl or ethyl.
Claim 9
Dependent Claim
25 words
A compound represented by the following formula in a free acid form, wherein R₆ is hydrogen, methyl or ethyl, and R₇ is methyl or ethyl.
Claim 10
Dependent Claim
30 words
A compound represented by the following formula in a free acid form, wherein R₈ is hydrogen, methyl or ethyl, R₉ is methyl or ethyl, and m is 0 or 1.
Claim 11
Dependent Claim
30 words
A compound represented by the following formula in a free acid form, wherein R₈ is hydrogen, methyl or ethyl, R₉ is methyl or ethyl, and m is 0 or 1.
Claim 12
Dependent Claim
112 words
A process for producing the monoazo compounds according to claim 1, which comprises reacting a cyanuric halide, a diamine compound of the general formula (IV), NH₂ - A - NH₂ (IV) wherein A is as defined above, an amine compound represented by the general formula (V), H - B₁ - SO₂ - Y₁ (V) wherein R₁, B₁ and Y₁ are as defined above, another amine compound represented by the general formula (VI), H - B₂ - SO₂ - Y₂ (VI) wherein R₂, B₂ and Y₂ are as defined above, and a pyridone compound represented by the general formula (VII), wherein R₃, R₄ and W are as defined above, in an aqueous medium.
Claim 13
Dependent Claim
21 words
A process for dyeing or printing hydroxy group- or carbonamide group-containing materials, which comprises using a compound according to claim 1.
Claim 14
Dependent Claim
15 words
Hydroxy group- or carbonamide group-containing materials dyed or printed. by the process of Claim 10.
References Cited (Backward Citations)
No citation records indexed.
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