V(<scp>iv</scp>), Fe(<scp>ii</scp>), Ni(<scp>ii</scp>) and Cu(<scp>ii</scp>) complexes bearing 2,2,2-tris(pyrazol-1-yl)ethyl methanesulfonate: application as catalysts for the cyclooctane oxidation
作者:Telma F. S. Silva、Bruno G. M. Rocha、M. Fátima C. Guedes da Silva、Luísa M. D. R. S. Martins、Armando J. L. Pombeiro
DOI:10.1039/c5nj01865j
日期:——
[VOCl2CH3SO2OCH2C(pz)3}] (pz = pyrazol-1-yl) 1, [FeCl2CH3SO2OCH2C(pz)3}] 2, [NiCl2CH3SO2OCH2C(pz)3}] 3 and [CuCH3SO2OCH2C(pz)3}2](OTf)24 were obtained by reactions between the corresponding metal salts and 2,2,2-tris(pyrazol-1-yl)ethyl methanesulfonate, CH3SO2OCH2C(pz)3. They were isolated as air-stable solids and fully characterized by IR, FTIR, NMR (for 2), EPR (for 1), ESI-MS(+/−), elemental analysis and
水溶性化合物[VOCl 2 CH 3 SO 2 OCH 2 C(pz)3 }](pz =吡唑-1-基)1,[FeCl 2 CH 3 SO 2 OCH 2 C(pz)3 }] 2,[NiCl 2 CH 3 SO 2 OCH 2 C(pz)3 }] 3和[Cu CH 3 SO 2 OCH 2 C(pz)3 } 2 ](OTf)2 4通过相应的金属盐与2,2,2-三(吡唑-1-基)甲磺酸乙酯CH 3 SO 2 OCH 2 C(pz)3反应获得。它们被分离为空气稳定的固体,并通过IR,FTIR,NMR(对于2),EPR(对于1),ESI-MS(+/-),元素分析和(对于4)单晶X射线进行了全面表征衍射。总而言之,半三明治(1-3)或全三明治(4)的C蝎子配体显示N,N,N配位模式。图3和图4似乎提供了Ni(II)和全夹心的Cu(II)化合物,带有该蝎形配体。化合物3是第一种Ni(II)三(