| 摘要 |
<p>Metal-free compounds and 1:1 and 1:2 metal complexes of the formula <IMAGE> (I) <IMAGE> or a 1:2 metal complex of a metal-free compound of said formula and a metallizable azo compound not of said formula, wherein each K is independently a coupling component radical of the pyrazolone-5, 5-aminopyrazole, pyridone, 2,6-diaminopyridine, beta -naphthol, acetic acid ester, acetic acid amide or N-substituted N,N-disubstituted aniline series, each K1 is independently <IMAGE> wherein R3 is hydrogen, C1-4alkyl, phenyl or benzyl, R4 is C1-4alkyl, (C1-4alkoxy)-carbonyl or -CO-N(R8)2, wherein each R8 is independently hydrogen or C1-4alkyl, R5 is amino or hydroxy, R5a is hydroxy, T is hydrogen, cyano, <IMAGE> <IMAGE> or (C1-4alkyl)carbonyl, wherein R7, R10, R12, Za and A(-) are as defined in the specification, each R1 is independently hydrogen, halo, hydroxy, C1-4alkoxy or C1-4alkyl, or R1 and R5, located on rings attached to the same azo radical, are -O-Me-NH or -O-Me-O-, wherein Me is a 1:1 or 1:2 metal complex-forming metal ion, or R1 and R5a, located on rings attached to the same azo radical, are -O-Me-O-, wherein Me is as defined above, each R2 is independently hydrogen, halo, C1-4alkyl or C1-4alkoxy, X is a direct bond or a bridging radical as defined in the specification, and each q is independently 0 or 1, with the provisos that (i) the compound of Formula I has at least two basic water-solubilizing groups, and (ii) each end of X is in a 3- or 4-position of the Ring A to which it is attached, which metal-free compounds and 1:1 and 1:2 metal complexes are useful as dyes, particularly for paper and leather.</p> |
