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• W2332801228 endingPage "4015" @default.
• W2332801228 startingPage "4006" @default.
• W2332801228 abstract "Polycarboxylate ligands are among the most important building blocks for the synthesis of metal–organic frameworks (MOFs). The ability to access these ligands in an efficient way is of key importance for future applications of MOFs. Here, we demonstrate that mono- and dinuclear clathrochelate complexes are versatile scaffolds for the preparation of polytopic carboxylate ligands. The largely inert clathrochelate complexes have a trigonal-bipyramidal shape. The synthesis of functionalized clathrochelates with two, three, four, or five carboxylic acid groups in the ligand periphery can be achieved in a few steps from simple starting materials. Apart from being easily accessible, the metalloligands display interesting characteristics for applications in metallasupramolecular chemistry and materials science: they are rigid, large (up to 2.2 nm), and robust and they can show additional functions (e.g., fluorescence or extra charge) depending on the metal ion that is present in the clathrochelate core. The utility of these new metalloligands in MOF chemistry is demonstrated by the synthesis of zinc- and zirconium-based coordination polymers. The combination of Zn(NO3)2 with clathrochelates having two or three carboxylic acid groups gives MOFs in which the clathrochelate ligands are connected by Zn4O clusters or zinc paddlewheel links. The structures of the resulting two- and three-dimensional networks could be established by single-crystal X-ray crystallography. The reaction of carboxylic acid functionalized clathrochelates with ZrCl4 gives amorphous powders that display permanent porosity after solvent removal." @default.
• W2332801228 created "2016-06-24" @default.
• W2332801228 creator A5001971255 @default.
• W2332801228 creator A5002484199 @default.
• W2332801228 creator A5024341357 @default.
• W2332801228 creator A5026029181 @default.
• W2332801228 creator A5033332794 @default.
• W2332801228 creator A5048163778 @default.
• W2332801228 creator A5070660419 @default.
• W2332801228 creator A5087991188 @default.
• W2332801228 date "2016-04-01" @default.
• W2332801228 modified "2023-10-02" @default.
• W2332801228 title "Carboxylic Acid Functionalized Clathrochelate Complexes: Large, Robust, and Easy-to-Access Metalloligands" @default.
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