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首页> 外文期刊>Inorganic Chemistry Communications >Mononuclear versus dinuclear palladacycles derived from 1,3-bis(N,N-dimethylaminomethyl)benzene: Structures and catalytic activity
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Mononuclear versus dinuclear palladacycles derived from 1,3-bis(N,N-dimethylaminomethyl)benzene: Structures and catalytic activity

机译:由1,3-双(N,N-二甲基氨基甲基)苯衍生的单核和双核Palladacycles:结构和催化活性

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摘要

Mononuclear and dinuclear palladacycles derived from 1,3-bis(N,N-dimethylaminomethyl)benzenes, [{Pd (Cl)}2,6-(Me2NCH2)2C6H3] and [1-{Pd(H2O)(Py)}-5-{Pd(OTf)(Py)-2,4-(Me2NCH2)2C5H2]-(OTf) were synthesized and their structures were fully characterized. Complex 1 is a pincer complex with η~3-mer NCN phenyl backbone, complex 2 is a bispalladium(II) complex with 1,2- and 4,5- two C,N-ortho phenyl backbone. Whereas the pincer complex 1 acted as a poor catalyst on methanolysis of fenitrothion, complex 2 demonstrated high catalytic activity in the same reactions, but there is no synergetic effect between two palladium ions. The results clearly indicate that a dissociable co-ligand in the palladacycle compounds significantly promotes the catalytic methanolysis.
机译:衍生自1,3-双(N,N-二甲基氨基甲基)苯,[{Pd(Cl)} 2,6-(Me2NCH2)2C6H3]和[1- {Pd(H2O)(Py)}}-的单核和双核Palladacycles合成了5- {Pd(OTf)(Py)-2,4-(Me2NCH2)2C5H2]-(OTf),并对其结构进行了充分表征。配合物1是具有η〜3-mer NCN苯基主链的钳形配合物,配合物2是具有1,2-和4,5-两个C,N-邻苯基主链的双钯(II)配合物。钳式配合物1在杀nitro硫酮的甲醇分解中起不良催化剂的作用,而配合物2在相同的反应中显示出高催化活性,但在两个钯离子之间没有协同作用。结果清楚地表明,palladacycle化合物中的可分解共配体显着促进了催化甲醇分解。

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