wherein R¹ is hydrogen, methyl or chlorine, R² is hydrogen or methyl, R³ is C₁-C₅ alkyl, R⁴ is phenyl, benzyl, phenoxy, C₁-C₅ alkoxy, C₁-C₅ alkyl or benzyloxy, provided that when R⁴ is alkyl, the total number of carbon atoms of R³ and R⁴ is at least 4.
摘要:
A monoazo disperse dye of the following formula (I):
wherein one of R¹ and R² is
wherein W is hydrogen, halogen, C₁-C₂ alkyl or alkoxy, the other of R¹ and R² is C₁-C₄ alkyl, or C₂-C₄ alkyl substituted by cyano, halogen, hydroxy, hydroxyalkoxy, C₁-C₄ alkoxy, hydroxyalkoxyalkoxy, acyloxyalkoxy, acyloxyalkoxyalkoxy or alkoxyalkoxy, and Y is hydrogen or halogen.
摘要:
A process for producing a monoazodye of the following formula (III):
wherein X¹ is nitro or halogen, X² is halogen, R¹ is lower alkoxy, R² is lower alkyl, each of R³ and R⁴, which are independent of each other, is alkyl, cyanoalkyl or alkylcarbonyloxyalkyl, and each of m and n, which are independent of each other, is 0 or 1, which comprises diazotizing an aniline derivative of the following formula (I):
wherein X¹ and X² are as defined above, followed by coupling with an aniline derivative of the following formula (II):
wherein R¹, R², R³, R⁴, m and n are as defined above, wherein a reaction mixture obtained by the coupling reaction is heat-treated in the presence of a polyoxyethylene higher fatty acid ester type nonionic surfactant, followed by filtration to obtain said monoazo compound in the form of a cake.
摘要翻译:一种制备下式(III)的单偶氮的方法:其中X 1为硝基或卤素,X 2为卤素,R 1为低级烷氧基,R 2为低级烷基, R 3和R 4各自独立地为烷基,氰基烷基或烷基羰氧基烷基,m和n各自独立地为0或1,其包括将苯胺重氮化 下式(I)的衍生物:其中X 1和X 2如上所定义的,然后与下式(II)的苯胺衍生物偶联:其中R 1, R 2,R 3,R 4,m和n如上所定义,其中通过偶联反应得到的反应混合物在聚氧乙烯高级脂肪酸酯型非离子表面活性剂存在下进行热处理 ,然后过滤以获得饼状形式的所述单偶氮化合物。
摘要:
A water-soluble monoazodye having the following formula (I) in its free acid form:
wherein X is -CH=CH₂ or -CH₂CH₂W wherein W is a leaving group removable by alkali; R¹ is methyl, -NHCONH₂ or -NHCOT¹ wherein T¹ is methyl, ethyl, -CH₂CH₂COOH or -CH=CHCOOH; R² is hydrogen, lower alkyl or lower alkoxy; and Z is
wherein P is cyano or halogen, each of Q and U which are independent of each other, is halogen, V is halogen or
and Y is halogen or a group of the following formula (1) or (2):
-N(̵E-SO₂X)₂ (2)
wherein R³ is hydrogen or lower alkyl, A is a C₁-C₄ alkyl or naphthalene group substituted by at least one selected from the group consisting of a sulfonic acid group and a carboxylic acid group, or phenyl substituted by at least one selected from the group consisting of a sulfonic acid group and a carboxylic acid group, and which may be substituted by at least one selected from the group consisting of hydroxyl, halogen, C₁-C₂ alkyl and C₁-C₂ alkoxy, R⁴ is hydrogen or C₁-C₄ alkyl, E is phenylene unsubstituted or substituted by lower alkyl, lower alkoxy, halogen or a sulfonic acid group, a naphthalene group unsubstituted or substituted by a sulfonic acid group, C₁-C₄ alkylene or C₁-C₄ alkyleneoxy C₁-C₄ alkylene, and X is as defined above.
摘要:
A water-insoluble monoazodye of the following formula (I):
which has a crystal modification characterized by an X-ray diffraction pattern (CuKα) showing three strong peaks at angles (2ϑ) of diffraction of about 11.3°, 24.4° and 27.0° and three intermediate peaks at angles (2ϑ) of diffraction of about 10.3°, 21.1° and 29.5°.
摘要:
A disperse dye mixture comprising a monoazo dye of the following formula (1) and a monoazo dye of the following formula (2) blended thereto in an amount of from 0.1 to 10 times by weight of the dye of the formula (1):
wherein each of X¹ and X² which are independent of each other, is nitro, cyano, sulfomethyl or halogen, each of Y¹, Y², Z¹ and Z² which are independent of one another, is hydrogen, cyano, nitro, trifluoromethyl, halogen or sulfomethyl, each of W¹ and W² which are independent of each other, is hydrogen, halogen, C₁-C₂ alkyl or alkoxy, and each of R¹ and R² which are independent of each other, is C₁-C₄ alkyl, or C₂-C₄ alkyl which is substituted by cyano, halogen, hydroxy, hydroxyalkoxy, C₁-C₄ alkyl, hydroxyalkoxyalkoxy, acyloxyalkoxy, acyloxyalkoxyalkoxy or alkoxyalkoxy.