N,N′-bis(substituted-phenyl)oxamides and their dinuclear pentacoordinate nickel(II) complexes
作者:M. Dolores Santana、Gabriel García、Consuelo Vicente-Hernández、Luís García、José Pérez、Teófilo Rojo、Luís Lezama
DOI:10.1016/j.jorganchem.2008.03.001
日期:2008.5
The preparation, spectroscopic characterization and magnetic study of N,N′-bis(substituted-phenyl)oxamidate-bridged nickel(II) dinuclear complexes of formula [Ni(N3-mc)]2(μ-CONC6H4-X)}(PF6)2 (N3-mc = 2,4,4-trimethyl-1,5,9-triazacyclo-dodec-1-ene (Me3-N3-mc) or 2,4,4,9-tetramethyl-1,5,9-triazacyclododec-1-ene (Me4-N3-mc), X = 2-Cl, 4-Cl, 2-OCH3, 4-OCH3) are reported. These paramagnetic nickel(II) complexes
的制备中,光谱表征和磁性研究Ñ,Ñ ' -双(取代的-苯基)oxamidate桥接镍(II)式的双核配合物[镍(N 3 -mc)] 2(μ-CONC 6 ħ 4 - X)}(PF 6)2(N 3 -mc = 2,4,4-三甲基-1,5,9-三氮杂环十二烷基-1-烯(Me 3 -N 3 -mc)或2,4,4 ,9-四甲基-1,5,9-三氮杂环十二烷基-1-烯(Me 4 -N 3 -mc),X = 2-Cl,4-Cl,2-OCH 3,4 -OCH 3)的报告。这些顺磁性镍(II)配合物已通过一维和二维(COSY)1 H NMR技术进行了表征。5的COZY光谱可实现N,N'-二苯基草酰胺酸酯的苯基质子的赋值。的晶体结构[镍(ME 3 -N 3 -mc)(μ-CONC 6 ħ 4 -4-Cl)的] 2(PF 6)2(6),[镍(ME 3 -N 3 -mc)( μ-CONC 6 ħ 4 -4-OME)]