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New Bifunctional Metal-Organic Frameworks and Their Utilization in One-Pot Tandem Catalytic Reactions

机译:新的双官能金属有机框架及其在一锅串联催化反应中的利用

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摘要

Two new metal-organic framework (MOF) compounds were synthesized by a room temperature slow diffusion reaction. The compounds, [Cd-3(C8H3SO7)(2)-(C10H8N4)(3)( C3H7NO)(2)] ( C3H7NO)(2)center dot(CH3OH)(4), I, and [Cd-3(C8H3SO7)(2 )(C12H10N4)(3 )(C3H7NO)(2)] (C12H10N4)center dot(C3H7NO)(2), II, have comparable structures formed by Cd-sulfoisopthalate layers cross-linked by bipyridyl linkers forming three-dimensional structures. The compounds have both Lewis acidic (Cd metal centers) as well as basic (azine, free pyridine, and uncoordinated sulfo oxygens) sites, and they exhibited good catalytic activity for one-pot tandem deacetalization-Knoevenagel condensation reactions. The compounds exhibit catalytic activity both in the presence of a solvent as well as in solvent-free conditions. Compound I also exhibits good proton conductivity at room temperature.
机译:通过室温慢扩散反应合成了两种新的金属有机框架(MOF)化合物。 化合物[CD-3(C8H3SO7)(2) - (C10H8N4)(3)(C 3 O)(2)(2)(2)中心点(CH 3 OH)(4),I和[CD-3( C8H3SO7)(2)(2)(C12H10N4)(3)(C 3 ON 4)中心点(C12H10N4)中央点(C 3 ON 4)(2),II具有通过形成三吡啶接头交联的CD-磺基苯甲酸酯层形成的可比结构 尺寸结构。 该化合物具有路易斯酸性(Cd金属中心)以及碱性(吖嗪,游离吡啶和未配备的磺氧化物)位点,并且它们表现出良好的催化活性,用于单罐串联脱乙醚瘤结缩反应。 化合物在溶剂存在下表现出催化活性以及无溶剂的条件。 化合物I在室温下也表现出良好的质子电导率。

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  • 来源
    《Crystal growth & design》 |2019年第2期|共9页
  • 作者单位

    Indian Inst Sci Solid State &

    Struct Chem Unit Framework Solids Lab Bangalore 560012 Karnataka India;

    Indian Inst Sci Solid State &

    Struct Chem Unit Framework Solids Lab Bangalore 560012 Karnataka India;

    Indian Inst Sci Solid State &

    Struct Chem Unit Framework Solids Lab Bangalore 560012 Karnataka India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 晶体学;
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