1997
DOI: 10.1002/zaac.19976230722
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Kupfer(I)‐Komplexe mit 1‐Azadien‐Chelatliganden und ihre Reaktion mit Sauerstoff

Abstract: Die Reaktion der zweizähligen 1‐Azadienliganden Me2N(CH2)nNCHCHCHPh mit CuX führt zu den dimeren Komplexen [ACuX]2 and [BCuX]2 (A: n = 2, B: n = 3, X: I, Cl). Die Struktur des Komplexes 1 [ACuI]2 wurde durch Kristallstrukturanalyse bestimmt. 1 enthält zwei tetraedrisch koordinierte Cu‐Atome, die über zwei Iodobrücken miteinander verknüpft sind CuCu‐Bindungslänge: (261 pm). Der Ligand MeN(CH2CH2NCHCHCHPh)2 (C) reagiert mit CuX unter Bildung der monomeren Komplexe [CCuX] (5: X = I, 6: XCl). Die Kris… Show more

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Cited by 12 publications
(13 citation statements)
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“…Even though a detailed kinetic study has not yet been performed, the spectra provide evidence for the formation of [(Bz 3 tren)CuO 2 ] ϩ and [(Bz 3 tren)-CuO 2 Cu(Bz 3 tren)] 2ϩ as the spectral features are similar to the known UV/Vis spectra of copperϪsuperoxo and Ϫperoxo complexes. [85,86] However, when this complex was reacted with dioxygen in a variety of solvents at different temperatures, dioxygen intermediates were not detected. However, resonance Raman spectra are still needed to confirm this assignment.…”
Section: Ligands Derived From Trensupporting
confidence: 90%
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“…Even though a detailed kinetic study has not yet been performed, the spectra provide evidence for the formation of [(Bz 3 tren)CuO 2 ] ϩ and [(Bz 3 tren)-CuO 2 Cu(Bz 3 tren)] 2ϩ as the spectral features are similar to the known UV/Vis spectra of copperϪsuperoxo and Ϫperoxo complexes. [85,86] However, when this complex was reacted with dioxygen in a variety of solvents at different temperatures, dioxygen intermediates were not detected. However, resonance Raman spectra are still needed to confirm this assignment.…”
Section: Ligands Derived From Trensupporting
confidence: 90%
“…[77] Time-resolved spectra recorded at Ϫ70°C are shown in Figure 3. [77,85,86] In contrast to tren and its derivatives, the soft imine donor groups in L 8 have a large stabilizing effect on the soft copper(I) ion. [40,51] The absorbance maxima of the superoxo [(Bz 3 tren)CuO 2 ] ϩ (λ max ϭ 406 nm) and peroxo [(Bz 3 tren)CuO 2 Cu(Bz 3 tren)] 2ϩ (λ max ϭ 506 nm) complexes were assigned accordingly.…”
Section: Ligands Derived From Trenmentioning
confidence: 99%
“…[84] This prompted investigations of the reaction behavior of the copper(I) complex with the initially formed imine ligand (L 8 , Scheme 5). [77,85,86] In contrast to tren and its derivatives, the soft imine donor groups in L 8 have a large stabilizing effect on the soft copper(I) ion. Therefore, the corresponding copper(I) complex can easily be synthesized and structurally characterized.…”
Section: Ligands Derived From Trenmentioning
confidence: 99%
“…Therefore, the corresponding copper(I) complex can easily be synthesized and structurally characterized. [85,86] However, when this complex was reacted with dioxygen in a variety of solvents at different temperatures, dioxygen intermediates were not detected. [77,85] This finding is well in line with earlier results on the reaction of dioxygen with various copper imine complexes.…”
Section: Ligands Derived From Trenmentioning
confidence: 99%
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