A novel hybrid host has been obtained by fusion of the calix[4]arene skeleton with a cycloparaphenylene (CPP) ring. The CPP-bridged calix[4]arene 1 combines the optoelectronic and structural properties of the CPP rings with the recognition abilities of the calix[4]arene hosts. Thus, calix-CPP 1 shows an unexpected selectivity for the Li+ cation over Na+, as a result of more favorable cation center dot center dot center dot pi interactions of Li+ with the CPP bridge and its better size complementarity.
Synthesis, Optoelectronic, and Supramolecular Properties of a Calix[4]arene-Cycloparaphenylene Hybrid Host
Della Sala, Paolo;Talotta, Carmen;Capobianco, Amedeo;Soriente, Annunziata;De Rosa, Margherita;Neri, Placido;Gaeta, Carmine
Supervision
2018
Abstract
A novel hybrid host has been obtained by fusion of the calix[4]arene skeleton with a cycloparaphenylene (CPP) ring. The CPP-bridged calix[4]arene 1 combines the optoelectronic and structural properties of the CPP rings with the recognition abilities of the calix[4]arene hosts. Thus, calix-CPP 1 shows an unexpected selectivity for the Li+ cation over Na+, as a result of more favorable cation center dot center dot center dot pi interactions of Li+ with the CPP bridge and its better size complementarity.File in questo prodotto:
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