作为桥连配体的2-巯基-1-叔丁基咪唑基：镍和钯桨轮配合物的合成与结构表征
2-Mercapto-1-t-butylimidazolyl as a Bridging Ligand: Synthesis and Structural Characterization of Nickel and Palladium Paddlewheel Complexes.
作者信息
Pang Keliang, Figueroa Joshua S, Tonks Ian A, Sattler Wesley, Parkin Gerard
机构信息
Department of Chemistry, Columbia University, New York, New York 10027, USA.
出版信息
Inorganica Chim Acta. 2009 Sep 15;362(12):4609-4615. doi: 10.1016/j.ica.2009.05.025.
Abstract
Nickel and palladium paddlewheel complexes that feature 2-mercapto-1-t-butylimidazolyl (mim(Bu(t) )) bridging ligands, namely Ni(2)mim (Bu(t) ) and Pd(2)mim (Bu(t) ), have been synthesized and structurally characterized by X-ray diffraction. Since the mim (Bu(t) ) ligand bridges in an asymmetric manner via a sulfur and nitrogen donor, paddlewheel compounds of the type M(2)mim (Bu(t) ) may exist as isomers that are distinguished by the relative orientations of the ligands. In this regard, the (4,0)-Ni(2)mim (Bu(t) ) and trans-(2,2)-Ni(2)mim (Bu(t) ) isomers have been isolated for the nickel system, while the (4,0)-Pd(2)mim (Bu(t) ) and (3,1)-Pd(2)mim (Bu(t) ) isomers have been isolated for the palladium system.
摘要
已合成出具有2-巯基-1-叔丁基咪唑基（mim(Bu(t) )）桥连配体的镍和钯桨轮配合物，即Ni(2)mim (Bu(t) )和Pd(2)mim (Bu(t) )，并通过X射线衍射对其结构进行了表征。由于mim (Bu(t) )配体通过硫和氮供体以不对称方式桥连，M(2)mim (Bu(t) )型桨轮化合物可能以异构体形式存在，这些异构体可通过配体的相对取向来区分。在这方面，已分离出镍体系的(4,0)-Ni(2)mim (Bu(t) )和反式-(2,2)-Ni(2)mim (Bu(t) )异构体，而钯体系已分离出(4,0)-Pd(2)mim (Bu(t) )和(3,1)-Pd(2)mim (Bu(t) )异构体。
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