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Diamondoid supramolecular coordination frameworks from discrete adamantanoid platinum(II) cages.

著者 Cao L , Wang P , Miao X , Dong Y , Wang H , Duan H , Yu Y , Li X , Stang PJ
J Am Chem Soc.2018 May 10 ; ():.
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Recently, porous framework materials with various network-type structures have been constructed via several different approaches, such as coordination interactions, reversible covalent bonds, and non-covalent interactions. Here, we have combined the concepts of supramolecular coordination complex (SCC) and metal-organic framework (MOF) to offer a new strategy to construct a diamondoid supramolecular coordination framework (SCF) from an adamantanoid supramolecular coordination cage as the tetrahedral node and a difunctional Pt(II) ligand as the linear linker via the stepwise orientation-induced supramolecular coordination. The adamantanoid supramolecular coordination cage has four uncoordinated pyridyl groups, which serve as the four vertexes of the tetrahedral geometry in the diamondoid framework. As a result, this diamondoid SCF exhibits an adamantanoid-to-adamantanoid substructure with two sets of pores including the interior cavity of the adamantanoid cage and the extended adamantanoid space in between the individual cages in the framework. In addition, the shape-controllable and highly-ordered self-assembly of nanometer-sized diamondoid SCF is observed as micrometer-sized regular octahedrons by evaporation under heating in DMSO. This study demonstrates the potential application of supramolecular coordination complexes in the precise construction of highly-regulated porous framework materials.
PMID: 29746782 [PubMed - as supplied by publisher]
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