| 摘要 |
A monoazo compound of the following formula, <CHEM> wherein D is phenylene or naphthylene; X is halogeno, pyridinio or <CHEM> B is -OR3, -SR4, <CHEM> <CHEM> in which R3, R4, R5 and R6 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, r is 0 or 1, and E is O, SO, SO2, CH2 or NR8, in which R8 is hydrogen or C1-C4 alkyl; R, R1, R2 and R7 are each hydrogen or alkyl; A1, A2 and A3 are each phenylene, naphthylene or alkylene; Z1, Z2 and Z3 are each -SO2CH=CH2 or -SO2CH2CH2Y, in which Y is a splittable group; and p is 0 or 1; which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property. |
