Journal
RSC ADVANCES
Volume 6, Issue 63, Pages 58831-58838Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra11433d
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Funding
- Department of Science & Technology, Government of West Bengal, India [781(Sanc.)/ST/P/ST/4G-4/2013]
- University of Burdwan
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A crystallographically characterized tetranuclear Cu(II) complex [Cu-4(II)(L)(4)] (1) [H2L = N-(2-hydroxyethyl)-3-methoxysalicylaldimine] is found to show overall ferromagnetic exchange coupling. Complex (1) mimics the catalytic activity of the plant enzyme catechol oxidase by oxidising 3,5-di-tert-butylcatechol to its corresponding quinone in methanol and dichloromethane medium in the presence of aerial oxygen. The reaction follows Michaelis-Menten enzymatic reaction kinetics with turnover numbers (K-cat) 6.99 x 10(3) and 1.85 x 10(3) h(-1) in methanol and dichloromethane, respectively. 1 is also phenoxazinone synthase active in methanol medium with a turnover number of 1.21 x 10(5) h(-1).
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