聚羧酸铑（II）金属有机多面体（MOPs）的合成及其作为高度连接金属有机框架（MOFs）构建单元的应用。
Synthesis of Polycarboxylate Rhodium(II) Metal-Organic Polyhedra (MOPs) and their use as Building Blocks for Highly Connected Metal-Organic Frameworks (MOFs).
作者信息
Grancha Thais, Carné-Sánchez Arnau, Zarekarizi Farnoosh, Hernández-López Laura, Albalad Jorge, Khobotov Akim, Guillerm Vincent, Morsali Ali, Juanhuix Judith, Gándara Felipe, Imaz Inhar, Maspoch Daniel
机构信息
Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193, Barcelona, Spain.
Department of Chemistry, Faculty of Sciences, Tarbiat Modares University, P.O. Box: 14115-4838, Tehran, Islamic Republic of Iran.
出版信息
Angew Chem Int Ed Engl. 2021 Mar 8;60(11):5729-5733. doi: 10.1002/anie.202013839. Epub 2021 Jan 29.
Use of preformed metal-organic polyhedra (MOPs) as supermolecular building blocks (SBBs) for the synthesis of metal-organic frameworks (MOFs) remains underexplored due to lack of robust functionalized MOPs. Herein we report the use of polycarboxylate cuboctahedral Rh -MOPs for constructing highly-connected MOFs. Cuboctahedral MOPs were functionalized with carboxylic acid groups on their 12 vertices or 24 edges through coordinative or covalent post-synthetic routes, respectively. We then used each isolated polycarboxylate Rh -MOP as 12-c cuboctahedral or 24-c rhombicuboctahedral SBBs that, upon linkage with metallic secondary building units (SBUs), afford bimetallic highly-connected MOFs. The assembly of a pre-synthesized 12-c SBB with a 4-c paddle-wheel SBU, and a 24-c SBB with a 3-c triangular Cu SBU gave rise to bimetallic MOFs having ftw (4,12)-c or rht (3,24)-c topologies, respectively.
由于缺乏坚固的功能化金属有机多面体（MOPs），将预制的金属有机多面体用作超分子构建块（SBBs）来合成金属有机框架（MOFs）的研究仍未得到充分探索。在此，我们报道了使用多羧基立方八面体铑 - MOPs构建高度连接的MOFs。立方八面体MOPs分别通过配位或共价后合成路线在其12个顶点或24条边上用羧酸基团进行功能化。然后，我们将每个分离的多羧基铑 - MOP用作12 - c立方八面体或24 - c菱形立方八面体SBBs，它们与金属二级构建单元（SBUs）连接后，可得到双金属高度连接的MOFs。将预合成的12 - c SBB与4 - c桨轮状SBU组装，以及将24 - c SBB与3 - c三角形铜SBU组装，分别得到具有ftw(4,12) - c或rht(3,24) - c拓扑结构的双金属MOFs。
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