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- W2050214562 abstract "A simple mononuclear octahedral copper(II) complex was attempted from the reaction of three moles of 1-benzoyl-3-(pyridin-2-yl)-1H-pyrazole and one mole of copper(II) perchlorate hexahydrate in methanol. However, the product of the reaction was confirmed to be a dinuclear copper(II) complex with μ-{3-(pyridin-2-yl)-pyrazolato} and 3-(pyridin-2-yl)-1H-pyrazole ligands attached to each of the Cu(II) centre atom. The copper(II) ion assisted the cleavage of the Cbenzoyl<private-char description='Single_Bond' name='Single_Bond' value='Single_Bond'/>N bond afforded a 3-(pyridin-2-yl)-1H-pyrazole molecule. Deprotonation of the 3-(pyridin-2-yl)-1H-pyrazole gave a 3-(pyridin-2-yl)-pyrazolato, which subsequently reacted with the Cu(II) ion to give the {3-(pyridin-2-yl)-pyrazolato}{3-(pyridin-2-yl)-1H-pyrazole}Cu(II) product moiety. The structure of the dinuclear complex was confirmed by x-ray crystallography. The complex crystallized in a monoclinic crystal system with P2(1)/n space group and cell dimensions of a = 12.2029(8) Å, b = 11.4010(7) Å, c = 14.4052(9) Å and β = 102.414(2)°. The compound was further characterized by mass spectrometry, CHN elemental analysis, infrared and UV-visible spectroscopy and the results concurred with the x-ray structure. The presence of d-d transition at 671 nm (ε = 116 dm3 mol−1 cm−1) supports the presence of Cu(II) centres." @default.
- W2050214562 created "2016-06-24" @default.
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- W2050214562 date "2014-01-01" @default.
- W2050214562 modified "2023-10-12" @default.
- W2050214562 title "Formation of a dinuclear copper(II) complex through the cleavage of C<private-char description='Single_Bond' name='Single_Bond' value='Single_Bond'/>N bond of 1-benzoyl-3-(pyridin-2-yl)-1H-pyrazole" @default.
- W2050214562 doi "https://doi.org/10.1063/1.4895217" @default.
- W2050214562 hasPublicationYear "2014" @default.
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