Synthesis and Characterization of Cationic [Tris(pyrazolyl)methane]copper(I) Carbonyl and Acetonitrile Complexes
作者:Daniel L. Reger、James E. Collins、Arnold L. Rheingold、Louise M. Liable-Sands
DOI:10.1021/om960026s
日期:1996.4.16
The reaction of [Cu(NCMe)4]PF6 with equimolar amounts of the tris(substituted-pyrazolyl)methane ligands HC(3,5-Me2pz)3, HC(3-Phpz)3, and HC(3-Butpz)3 yields the respective salts [HC(3,5-Me2pz)3]Cu(NCMe)}PF6, [HC(3-Phpz)3]Cu(NCMe)}PF6, and [HC(3-Butpz)3]Cu(NCMe)}PF6. These complexes are unusually resistant toward reaction with dioxygen. These acetonitrilecomplexes react with carbon monoxide to yield
[Cu(NCMe)4 ] PF 6与等摩尔量的三(取代-吡唑基)甲烷配体HC(3,5-Me 2 pz)3,HC(3-Phpz)3和HC(3-)反应Bu t pz)3产生各自的盐[HC(3,5-Me 2 pz)3 ] Cu(NCMe)} PF 6,[HC(3-Phpz)3 ] Cu(NCMe)} PF 6和[HC(3-Bu t pz)3 ] Cu(NCMe)} PF 6。这些配合物对与双氧的反应具有非凡的抵抗力。这些乙腈配合物与一氧化碳反应生成稳定的配合物[HC(3,5-Me 2PZ)3 ]的Cu(CO)} PF 6,[HC(3- Phpz)3 ]的Cu(CO)} PF 6,和[HC(3-卜吨PZ)3 ]的Cu(CO)} PF 6, 分别。[HC(3-Bu t pz)3)Cu(NCMe)} PF 6 ·CH 2 Cl 2和[HC(3-Bu t pz)3 ] Cu(CO)} P
Copper(I) tris(pyrazolyl)methane complexes and their reactivity towards dioxygen
作者:Milivoje Cvetkovic、Stuart R. Batten、Boujemaa Moubaraki、Keith S. Murray、Leone Spiccia
DOI:10.1016/s0020-1693(01)00565-5
日期:2001.11
The reactivitytowards dioxygen has been explored for two copper(I) tris(pyrazolyl)-methane complexes, [CuI((3,5-Me2-pz)3CH)(MeCN)](PF6)2 (1) and [CuI((3,5-Me2-4-Br-pz)3)(MeCN)](PF6)2 (2). Reversible oxygenation of 1 occurs in CH2Cl2 solution at ∼7 °C to yield a 2:1 μ-η2η2-peroxo complex [((3,5-Me2-pz)3CH)2Cu2(μ-O2)](PF6)2. Equilibrium studies, made using manometric techniques over the temperature