Metal complexes of bis-hydrazones and a process for their...

Details Metal complexes of bis-hydrazones and a process for their... Metal complexes of bis-hydrazones and a process for their...

C - Chemistry, Metallurgy

09

B

260/261, 260/383

C09B 55/00 (2006.01) C09B 57/04 (2006.01)

Patent

CA 1064929

ABSTRACT OF THE DISCLOSURE Bis-hydrazone metal complexes of the formula Image wherein A denotes an isocylic radical or a heterocyclic radical, selected from the group consisting of quinoline, coumarin, isoquinoline, pyridine, pyrimidine, pyrazolone or imidazolopyridine radicals, R denotes a H atom, an alkyl group or an aryl radical, M denotes a copper, nickel, zinc or cadmium atom, X1 and X2 independently of one another represent alkyl, cycloalkyl, aralkyl or aryl radicals, or conjointly form a benzene ring, L denotes a ligand having one or more coordinating N or S atoms, and n denotes the number 1-5, are useful for coloring plastic and lacquers in fast yellow to red shades.

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