作者:S. Saha (Halder)、B.G. Chand、J.-S. Wu、T.-H. Lu、P. Raghavaiah、C. Sinha
DOI:10.1016/j.poly.2012.07.061
日期:2012.10
1-Alkyl-2-(o-thioalkyl)phenylazo}imidazole acts as imidazolyl-N donor ligand to Cd(II) although they have potential three donor centres namely N(imidazole), N(azo) and –SR. Two series of complexes [Cd(SRaaiNR/)2X2] (X = Cl, Br, I) and [Cd(SRaaiNR/)4](ClO4)2 are synthesized with these ligands. These complexes are spectroscopically (IR, UV–Vis, 1H NMR) characterised and, the single crystal X-ray structures
1-烷基-2-((邻硫代烷基)苯基偶氮}咪唑)充当Cd(II)的咪唑基-N供体配体,尽管它们具有潜在的三个供体中心,即N(咪唑),N(偶氮)和–SR。利用这些配体合成了两个系列的配合物[Cd(SRaaiNR /)2 X 2 ](X = Cl,Br,I)和[Cd(SRaaiNR /)4 ](ClO 4)2。这些配合物具有光谱学特征(IR,UV-Vis,1 H NMR),并且具有[Cd(SEtaaiNEt)2 I 2 ]和[Cd(SEtaaiNEt)4 ](ClO 4)2的单晶X射线结构。(其中SEtaaiNEt = 1-乙基-2-((邻-硫代烷基)苯基偶氮}咪唑)已证实扭曲的四面体结构。在复合节目的MeCN溶液中的UV光照射ë -到- Ž(Ë和Ž指反式和CIS分别构型约-NN-)协调azoimidazole的异构化。异构化速率遵循以下顺序:[Cd(SRaaiNR /)4 ](ClO 4)2