Synthesis and catalytic activity of binuclear cobalt(II) and nickel(II) complexes |
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Authors: | Bhamidi Srinivas Panthappally S Zacharias |
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Institution: | (1) School of Chemistry, University of Hyderabad, 500134 Hyderabad, India |
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Abstract: | Summary Binuclear NiII and CoII complexes derived from 2,6-diformyl-4-methylphenol and various aromatic monoamines have been prepared and investigated. The NiII complexes have Ni2LCl3 composition while the CoII complexes have Co2L2Cl2 composition, where L represents the organic ligand. The complexes are active catalysts in the oxidation of 3,5-di-t-butylcatechol (3,5-DTBC) by dioxygen, but less so than their Cu analogues. This result is attributed to the absence of antiferromagnetic coupling between the metal centres. |
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