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000639645 1001_ $$0P:(DE-H253)PIP1100634$$aStüber, Alexander$$b0
000639645 245__ $$aVariable Coordination of Peroxide in a Dinuclear Copper Mono‐Oxygenase Model Complex Supported by a Pyridazine‐Bridged Ligand
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000639645 520__ $$aCopper-oxygen intermediates play an important role in nature as active species of many copper-containing enzymes. However, copper-oxygen intermediates have a key function not only in nature, but also in industry, for example as catalysts. Herein a study on a dinuclear copper complex is presented based on the literature known ligand BPMPD. This ligand combines features of the previously investigated systems (octadentate N-donor, like the MO8 system and pyridine donors, like the bdpdz system). Oxygenation of the Cu(I)-complex with O$_2$ at low temperature leads to the formation of a μ-1,2-peroxo intermediate (Cu$_2$O$_2$), which is characterized with UV/Vis-, rRaman- and X-ray absorption spectroscopy (XAS), as well as by cryo-UHR-electrospray ionization mass spectrometry. The Cu$_2$O$_2$ species can be reversibly converted into a μ-1,1-hydroperoxo intermediate (Cu$_2$OOH) by a reaction with lutidinium triflate and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), which can be monitored by UV/Vis and XAS. Furthermore, the reactivity of the Cu$_2$O$_2$ species toward dihydroanthracene is investigated.
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000639645 7001_ $$0P:(DE-H253)PIP1090570$$aJurgeleit, Ramona$$b1
000639645 7001_ $$aBerger, Kira$$b2
000639645 7001_ $$0P:(DE-H253)PIP1018557$$aGrimm-Lebsanft, Benjamin$$b3
000639645 7001_ $$0P:(DE-HGF)0$$aBuchenau, Sören$$b4
000639645 7001_ $$aSenft, Laura$$b5
000639645 7001_ $$aNäther, Christian$$b6
000639645 7001_ $$aIvanović-Burmazović, Ivana$$b7
000639645 7001_ $$0P:(DE-HGF)0$$aRübhausen, Michael$$b8$$eCorresponding author
000639645 7001_ $$0P:(DE-H253)PIP1014860$$aNaumova, Maria$$b9$$eCorresponding author
000639645 7001_ $$0P:(DE-H253)PIP1090586$$aTuczek, Felix$$b10$$eCorresponding author
000639645 773__ $$0PERI:(DE-600)1475009-0$$a10.1002/ejic.202500286$$gVol. 28, no. 28, p. e202500286$$n28$$pe202500286$$tEuropean journal of inorganic chemistry$$v28$$x1434-1948$$y2025
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