| 摘要 |
Reactive dyes of formula (1): wherein R<SUB>1</SUB>, is optionally substituted C<SUB>1</SUB>-C<SUB>4 </SUB>alkyl, R<SUB>2 </SUB>is halogen, C<SUB>1</SUB>-C<SUB>4 </SUB>alkyl, C<SUB>1</SUB>-C<SUB>4 </SUB>alkoxy or sulfo, Z<SUB>1 </SUB>is a radical of formula -SO<SUB>2</SUB>-Y (2a), -CO-NH-(CH<SUB>2</SUB>)<SUB>K</SUB>-SO<SUB>2</SUB>-Y (2b), -NH-CO-CH(Hal)-CH<SUB>2</SUB>-Hal (2c) -NH-CO-C(Hal)-CH<SUB>2 </SUB>or (2d) wherein Hal is chlorine or bromine, Y is vinyl or a radical -CH<SUB>2</SUB>CH<SUB>2</SUB>-U and U is a group removable under alkaline conditions, k is the number 2, 3, 4, 5 or 6, n is the number 0, 1 or 2 and m is the number 0 or 1, are suitable for dyeing or printing cellulose-containing fibre materials, preferably natural or synthetic polyamide fibre materials, and produce, with a high colour yield, dyeings and prints having good fastness properties. |
