Macrocyclic versus acyclic preorganization in organoplatinum(II)-based host-guest complexes |
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| Authors: | Xiaolong Zhang Yifei Han Guangyao Liu Feng Wang |
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| Institution: | CAS Key Laboratory of Soft Matter Chemistry, iChEM(Collaborative Innovation Center of Chemistry for Energy Materials), Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | Two host-guest systems have been constructed, by employing structurally similar terpyridine platinum (II) macrocycle and molecular tweezer as the synthetic receptors. The macrocycle/guest complex displays low-energy emission signal, reinforced non-covalent binding affinity, and enhanced photosensitization capability than those of the molecular tweezer/guest one. The discrepancy between macrocyclic and acyclic preorganization modes originates from the different numbers of Pt(II) Pt(II) metal-metal bonds in host-guest complexation structures. |
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| Keywords: | Supramolecular chemistry Preorganization Host-guest recognition Metal-metal interactions Photosensitization |
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