Patent ID: 6504016
Filing Date: 2003-01-07
Classification: C09B

Abstract:
A reactive dye of formula (1) whereinR1 and R2 are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl, R3 and R4 are each independently of the other hydrogen, C1-C4alkyl, C1-C4alkoxy, halogen, carboxy or sulfo, R5 and R6 are each independently of the other hydrogen, C1-C4alkyl, C1-C4alkoxy, halogen, nitro, C2-C4alkanoylamino, benzoylamino, ureido, carboxy or sulfo, D is a radical of formula wherein(R7)0-2 denotes from 0 to 2 identical or different substituents selected from the group halogen, C2-C4alkanoylamino, C1-C4alkyl and C1-C4alkoxy, X is halogen, Aâ€”Y is a radical of formulaâ€”(CH2)2â€”Oâ€”(CH2)2â€”SO2â€”Z1â€ƒâ€ƒ(4a), whereinY1 is &agr;,&bgr;-dibromopropionylamino or &agr;-bromoacryloylamino and Z1 and Z2 are each independently of the other vinyl, &bgr;-chloroethyl or &bgr;-sulfatoethyl, m is the number 1, 2 or 3, and n is the number 1 or 2, with the proviso that D is a radical of formula (3) when Aâ€”Y is a radical of formula (4b).