Metal complexes of bis-hydrazones

Claim 1

A bis-hydrazone metal complex of the formula ##STR49## wherein A denotes ##STR50## wherein M denotes a divalent transition metal, zinc or cadmium, Y 1 and Y 2 denote hydrogen, halogen, alkyl of 1-4 carbon atoms, alkoxy of 1-4 carbon atoms, or nitro; Z denotes --NH-- or -oxygen-, R 8 denotes -OH, alkyl containing 1-4 carbon atoms, phenyl, phenyl substituted with halogen, alkyl of 1-4 carbon atoms, or alkoxy of 1-4 carbon atoms; R 9 denotes cyano, carboxyl, or carbamoyl; R 10 denotes hydrogen, or alkyl; Y 3 denotes hydrogen, carboxyl, carbamoyl, phenylcarbamoyl or alkoxycarbonyl containing 2-6 carbon atoms; Y 4 denotes hydrogen, halogen, methoxy, nitro or cyano; R 11 denotes alkyl of 1-4 carbon atoms, alkoxycarbonyl containing 2-5 carbon atoms, carboxyl, carbamoly, ##EQU2## wherein M 2 denotes Ca, Sr, Ba or Mn; L denotes ##STR51## wherein R' denotes hydrogen, hydroxyl, alkyl having 1-10 carbon atoms, phenalkyl containing 1-4 carbon atoms, cycloalkyl containing 5-6 carbon atoms, an aromatic group selected from the group consisting of phenyl, methylphenyl, chlorophenyl, or methoxyphenyl, amino, alkylamino containing 1-6 carbon atoms, or a group of the formulas ##STR52## wherein R 2 and R 3 denote hydrogen, alkyl of 1-6 carbon atoms, or phenyl; R'" denotes hydrogen, amino, alkyl containing 1-6 carbon atoms, phenyl, phenyl substituted by halogen, alkyl containing 1-4 carbon atoms or alkoxy containing 1-4 carbon atoms; R denotes hydrogen, alkyl containing 1-4 carbon atoms or phenyl; B denotes a radical which, conjointly with the N atoms, forms a heterocyclic ring selected from the group consisting of pyridine, quinoline, piperidine, or morpholine; B 1 denotes alkylene containing 2-10 carbon atoms, phenylene, a group --Ph--X--Ph-- wherein X denotes a direct bond, --O--, --S--, methylene, ethylene, -NH-, --SO 2 --, --CO-- or --N=N--; X 3 denotes hydrogen, halogen, alkoxy containing 1-6 carbon atoms, nitro, carboxyl, carbamoyl, or alkanolyamino containing 2-6 carbon atoms; X 4 denotes hydrogen or chloro; X 5 denotes hydrogen, chloro, alkoxy, containing 1-6 carbon atoms, alkylmercapto containing 1-6 carbon atoms, phenalkoxy having an alkyl containing 1-4 carbon atoms or phenoxy; X 6 denotes hydrogen, chloro, nitro, carboxyl, carbamoyl, alkylcarbamoyl containing 2-6 carbon atoms, alkanoylamino containing 2-6 carbon atoms or phenylcarbamoyl; and m denotes the number 1-2.