用三足阴离子封闭入口来将水溶性阳离子底物限制在阳离子分子笼中。
Confinement of Water-Soluble Cationic Substrates in a Cationic Molecular Cage by Capping the Portals with Tripodal Anions.
机构信息
Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
Division of Advanced Molecular Science, Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan.
出版信息
J Am Chem Soc. 2020 Oct 21;142(42):17919-17922. doi: 10.1021/jacs.0c08835. Epub 2020 Oct 12.
The ability of a cationic coordination cage to encapsulate molecular guests is enhanced by non-covalent capping of the cage portals with tripodal anions. The capped cage provides new cation binding sites at the portals, which enable accommodation of cationic substrates within the cationic cage. In addition, non-covalent capping allows neutral guests in the cage to be exchanged for cationic ones on demand.
通过三齿阴离子对笼状配合物的端口进行非共价封闭，可以增强阳离子配合物对分子客体的包合能力。封闭后的笼状配合物在端口处提供了新的阳离子结合位点，这使得阳离子底物能够容纳在阳离子笼内。此外，非共价封闭允许按需将笼内的中性客体交换为阳离子客体。
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