| 摘要 |
<p>Disclosed are compounds of the formula, <IMAGE> +TR <IMAGE> wherein the X's are the same and are hydrogen or -SO3M, Y is hydrogen, C1-4alkyl, C1-4alkoxy, hydroxy, halogen, -COOM or -SO3M, K1 and K2 are the same or different and are both radicals of a coupling component, either A1 is -SO3M and one of B1 and C1 is -SO3M, the other being hydrogen, or A1 and C1 are both hydrogen and B1 is -SO3M, and M is hydrogen or a non-chromophoric cation, their production and use in dyeing anionic dyeable substrates, for example, natural and regenerated cellulose, natural and synthetic polyamides, polyurethanes, polypropylene modified to contain basic groups, anodized aluminum, paper and, particularly, leather.</p> |
