Modelling tyrosinase monooxygenase activity. Activation of dioxygen by dicopper(I) complexes and characterisation of dicopper(II) complexes |
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| Authors: | Rajeev Gupta Debalina Ghosh and Rabindranath Mukherjee |
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| Institution: | (1) Department of Chemistry, Indian Institute of Technology, 208 016 Kanpur, India |
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| Abstract: | Activation of dioxygen on dicopper(I) centres was systematically investigated using a group of open-chain and a macrocyclicm-xylyl-based dinucleating ligand from a bioinorganic viewpoint. Even though intermediate peroxodicopper(II) species was not
detected (even at −80°C for the open-chain system), the putative intermediate reacted with C–H groups in ligands giving oxygenated
products (C–OH groups). Absorption, spectroscopic and magnetic properties of the final dicopper(II) complexes have been investigated. |
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| Keywords: | Dioxygen dicopper complexes m-xylyl-based dinucleating ligands stoichiometric oxidation reactions |
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