苯基-吡唑铜(Ⅱ)和钴(Ⅱ)配合物的合成、结构及其仿生催化溴化活性 |
Copper(Ⅱ) and Cobalt(Ⅱ) Complexes with Arene-Linked Pyrazolyl Methane: Syntheses, Structures and Mimicking Catalytic Activity in Brominating Reaction |
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摘要: 在无水乙醇体系中设计合成了2种配合物:[Cu(L1)Cl2]·0.5C2H5OH(1)和Co(L1)Cl2(2)(L1=1,4-双(吡唑甲基)苯)。通过元素分析、红外光谱、热重、X-射线粉末和X-射线单晶衍射方法对其结构进行了表征,分析了其光谱及结构特征。结构分析表明,配合物1中金属配位数为5,形成四角锥构型,配合物2的中心金属配位数为4,形成了扭曲四面体构型,配体1,4-双(吡唑甲基)苯采取二齿桥联配位模式。通过仿生催化溴化动力学研究,发现上述配合物均表现出潜在的催化溴化活性。 |
关键词: 1, 4-双(吡唑甲基)苯 仿生催化活性 铜配合物 钴配合物 晶体结构 |
基金项目: 国家自然科学基金(No.21071071、21371086),辽宁省科学事业公益基金(No.2014003019),无机合成与制备化学国家重点实验室(吉林大学)开放课题基金(No.2013-05)资助项目。 |
Abstract: Two complexes [Cu(L1)Cl2]·0.5C2H5OH (1) and Co(L1)Cl2 (2) (L1=1,4-bis((1H-pyrazol-1-yl)methyl)benzene) were designed and synthesized in the anhydrous ethanol system. The spectrum and structural characters of the two complexes were analyzed by elemental analysis, IR spectrum, thermogravimetric analysis, powder X-ray diffraction and single crystal X-ray diffraction analysis. The structural analysis shows that the coordination numbers of metal in complexes 1 and 2 are five and four to form square pyramidal and distorted tetrahedron geometry, respectively, and ligand L1 is in bidentate coordination mode. In addition, complexes 1 and 2 had the mimic catalytic activity during brominating reaction process. |
Keywords: 1,4-bis((1H-pyrazol-1-yl)methyl)benzene mimic catalytic activity copper complex cobalt complex crystal structure |
投稿时间:2014-11-17 修订日期:2015-01-28 |
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王继虓,王澈,高雪,王志楠,张小溪,冯晓东,韦思跃,邢永恒,施展.苯基-吡唑铜(Ⅱ)和钴(Ⅱ)配合物的合成、结构及其仿生催化溴化活性[J].无机化学学报,2015,31(5):923-929. |
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