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机构地区:[1]晋城职业技术学院化工系,山西晋城048026
出 处:《晋城职业技术学院学报》2015年第3期83-85,96,共4页Journal of Jincheng Institute of Technology
基 金:广西自然科学基金项目<基于牛磺酸配合物的合成及生物活性研究>(项目编号:0339034);晋城市科技局项目<液体菌种深层发酵结合啤酒洒槽栽培金针菇技术研究>(项目编号:201102228)
摘 要:以牛磺酸缩邻香草醛席夫碱(TMSSB)和2,2'-联吡啶(bipy)为配体,与氯化铜在水/乙腈体系中利用水溶液法,得到了配合物{[Cu(L)(bipy)Cl](1)·CH3CN}(1)(L=邻香草醛)。其结构经红外光谱和元素分析表征,X-单晶衍射表明:该配合物属三斜晶系,空间群为P-1,晶胞参数:a=8.990(2)?,b=10.000(3)?,c=10.584(3)?,a=80.495(3)°,β=84.448(4)°,γ=73.121(4)°,V=896.8(4)?3,Z=2,R1=0.0444,w R2=0.1324。在合成1的过程中,TMSSB配体水解为邻香草醛和牛磺酸。标题配合物的中心Cu(Ⅱ)与邻香草醛的醛基O、去质子的酚羟基O、bipy的两个N以及氯离子配位,形成五配位的四方锥构型。乙腈作为溶剂分子单独存在。化合物分子之间通过两种π-π堆积作用形成三维结构。A novel complex {[Cu(L)(bipy)Cl]· CH3CN}(L = o-vanillin) was synthesized by the reaction of CuCl2·2H2O, taurine o-vanillin Schiff base (TMSSB) and 2,2' -blpy with solution method in H2O/CH3OH.The title complex was characterized by IR, elemental analysis and X-ray diffraction. The crystal is of Triclinic sys- tem, space group P-1 with a = 8.990(2) A, b = 10.000(3) A, c = 10.584(3) A, a = 80.495(3) °, β = 84.448(4) °, γ = 73.121(4) °, V = 896.8(4) A3, Z = 2, R1 = 0.0444, wR2 = 0.1324. The TMSSB ligand was hydrolyzed to o- vanillin and taurine in the process of reaction. The central eopper(II) was five-coordinated by one deprolonat- ed hydroxyl O atom, one carbonyl O atom, two N atoms of 2,2' -bipy and one chlorine ion, forming a slightly distorted square pyramidal geometry. The CH3CN molecule is independent existence as solvent molecule. The complex is interconnected into three-dimensional structure via two kinds of π-π stacking interactions.
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