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Synthesis, structural and magnetic characterizations of a dinuclear copper(II) complex with an (N,S,O) donor ligand: Catecholase and phenoxazinone synthase activities

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Abstract A new dinuclear Cu(II) complex (1) was synthesized and crystallographically characterized. Each of the Cu(II) centres has penta coordination and been found to adopt square pyramidal geometry. Variable temperature… Click to show full abstract

Abstract A new dinuclear Cu(II) complex (1) was synthesized and crystallographically characterized. Each of the Cu(II) centres has penta coordination and been found to adopt square pyramidal geometry. Variable temperature magnetic measurements showed that there is weak ferromagnetic interaction between the Cu(II) centres in 1. 1 shows catecholase as well as phenoxazinone synthase activities in different solvents. The turn over numbers for the catecholase activity were 4.02 × 103 h−1 (MeOH) and 9.57 × 103 h−1 (MeCN), and that of phenoxazinone synthase activity were 1.065 × 103 h−1 (MeOH), 2.13 × 102 h−1 (MeCN) and 2.844 × 103 h−1 (DCM).

Keywords: synthase; synthesis structural; catecholase; synthase activities; phenoxazinone synthase

Journal Title: Inorganica Chimica Acta
Year Published: 2018

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