| 摘要 |
The present invention relates to azo dyes of formula;;wherein
R1 denotes C1-C12 alkyl which is unsubstituted or substituted by one or more C1-C12 alkoxy groups, hydroxyl groups, amino groups, cyano groups or halogen atoms and which may be interrupted one or more times by the radical —O—, —S—, —NR4—, —COO— or —OOC—;
R4 is hydrogen or C1-C12 alkyl;
either R2 is cyano and R3 is halogen or R2 is halogen and R3 is cyano; and
Ar represents a carbocyclic or heterocyclic aromatic radical,
to the process for the preparation thereof, to mixtures containing said dyes and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fibre materials, more especially textile materials. |
| 主权项 |
1. An azo dye of formulawherein
R1 denotes a C1-C12 alkyl which is unsubstituted or substituted by one or more C1-C12 alkoxy groups, C1-C12 alkylcarbonyl groups, C7-C25 arylcarbonyl groups, hydroxyl groups, amino groups, cyano groups or halogen atoms and which may be interrupted one or more times by the radical —O—, —S— or —NR4—; R4 is hydrogen or C1-C12 alkyl; either R2 is cyano and R3 is halogen or R2 is halogen and R3 is cyano; and Ar is a radical of the formulawherein
R5 denotes hydrogen, chloro, methyl, methoxy, 2-hydroxyethyl or —COOR10, wherein R19 has one of the meanings given for R1 above; R6 is —NH—CO—R20, wherein R20 has one of the meanings given for R1 above; R7 and R8 have each independently of the other one of the meanings given for R1 above; X denotes ethylene, trimethylene or oxyethylene; R9 is vinyl, allyl, benzyl or has one of the meanings given for R1 above; R10 is hydroxy or phenylamino; R11 is hydrogen, —COOR21 or a C6-C24 aryl that is unsubstituted or substituted by one or more C1-C12 alkyl groups, C1-C12 alkoxy groups, hydroxyl groups, amino groups, cyano groups or halogen atoms, wherein R21 has one of the meanings given for R1 above; R12 is hydrogen or —SO2—NHR22, wherein R22 has one of the meanings given for R1 above; R13 is hydrogen or hydroxy; R14 denotes a C1-C12 alkyl or trifluoromethyl: R15 is cyano or —CONH2; R16 has one of the meanings given for R1 above; R23 and R24 are each independently of the other hydrogen, vinyl, allyl or C1-C6 alkyl which is unsubstituted or substituted by cyano, carboxy, hydroxy, C1-C6 alkoxy-, C2-C8 alkoxyalkoxy- or C6-C24 aryl; and R18 is hydrogen, C1-C12 alkyl, C1-C12 alkoxy or C6-C24 aryl that is unsubstituted or substituted by one or more C1-C12 alkyl groups, C1-C12 alkoxy groups, hydroxyl groups, amino groups, cyano groups or halogen atoms. |
