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Oxidative CH and CC Bond Cleavage by a (2,2′-Bipyridine)Copper(I) Chloride Complex

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journal contribution
posted on 21.07.2008, 00:00 by Róbert Csonka, József Kaizer, Michel Giorgi, Marius Réglier, László Hajba, János Mink, Gábor Speier
Acetonitrile is easily oxygenated at ambient reaction conditions to copper(II) oxalate [Cu(bpy)(ox)]n mediated by copper(I) chloride in the presence of 3,5-di-tert-butylcatechol and 2,2′-bipyridine. In the case of other nitriles (e.g., propionitrile), instead, the unusual and selective 1,4-extradiol cleavage of 3,5-di-tert-butylcatechol occurs to give copper(II) tert-butylmaleate [Cu(bma)(bpy)(H2O)]n in good yield.