Two-step modulation of ion recognition using a bis(saloph)-macrocyclic host having a 24-crown-8-like cavity

Precise modulation of cation binding affinity was accomplished by the efficient two-step conversion of a newly synthesized macrocyclic ligand H L having a 24-crown-8-like cavity and two saloph moieties. The conversion of H L into L Ni resulted in a 120-fold enhancement in the binding affinity toward...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2017, Vol.53 (47), p.6363-6366
Main Authors: Sakata, Yoko, Kobayashi, Seiya, Akine, Shigehisa
Format: Article
Language:English
Subjects:
Affinity
Binding
Conversion
Holes
Ligands
Modulation
Recognition
Synthesis
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Summary:Precise modulation of cation binding affinity was accomplished by the efficient two-step conversion of a newly synthesized macrocyclic ligand H L having a 24-crown-8-like cavity and two saloph moieties. The conversion of H L into L Ni resulted in a 120-fold enhancement in the binding affinity towards Cs . The electrochemical reduction of L Ni further enhanced the recognition ability by 3 orders of magnitude.
ISSN:1359-7345
1364-548X
DOI:10.1039/c7cc02641b