| 摘要 |
Disazo and trisazo compounds of the formula <IMAGE> and salts thereof, wherein in each B is independently hydrogen; C1-4alkyl; (C1-4alkoxy) C1-4alkyl; C2-4hydroxyalkyl; C5-6cycloalkyl; C5-6cyloalkyl substituted by 1 to 3 C1-4alkyls; phenyl (C1-3alkyl); phenyl (C1-3alkyl) the phenyl group of which is substituted by 1 to 3 substituents selected from C1-4alkyl, C1-4alkoxy and halo; -A-NH-R2; -A2-N(R7)2; -AN(-)(R8)2R9A(+) or -N(R7)2, wherein A, A1, A2 and R7-R9are as defined in the specification, each R is independently hydrogen; amino C1-4alkyl; C5-6cycloalkyl; C5-6cycloalkyl substituted by 1 or 2 C1-4alkyls; phenyl; benzyl; phenylethyl; or phenyl, benzyl or phenylethyl the phenyl group of which is substituted by 1 or 2 substituents selected from methyl, ethyl, methoxy and ethoxy, each R5 is independently hydrogen or C1-4alkyl, each T is indendently hydrogen, cyano, halo, -COOR4, -CON(R5)2, -SO2N(R5)2, -CH2-NH-CO-CH2-N(R7)2, -CH2-NH-CO-CH2-N(-)(R8)2R9A(+), <IMAGE> <IMAGE> +TR <IMAGE> wherein R1, R3-R9, R13, R14 and Xa are as defined in the specification, Xo is a divalent or trivalent bridging radical, each a is independently 0 or 1, with the proviso that at least 2 a's are 1, and n is d or 3, wherein each A(+) is independently a non-chromophoric anion, with the provisos that (i) the total number of basic and cationic groups is at least three and equals or exceeds the number of sulfo groups and (ii) each azo radical is in the 3- or 4-positions, are useful as dyes for dyeing and printing paper and textile materials
|
