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Handcuff-like metallo-pseudorotaxanes consisting of tiara[5]arene wheels and dimeric silver trifluoroacetate axles.

Weiwei YangHaiying WangRong ChangZhitao FengYumei ZhuAndrew C-H Sue
Published in: Chemical communications (Cambridge, England) (2023)
The complexation between tiara[5]arene (T[5]) and silver trifluoroacetate affords a binuclear metallo-pseudorotaxane on account of multiple endo-cavity Ag I η 2 -arene interactions. Furthermore, two such enantiomeric [(CF 3 CO 2 Ag) 2 ⊂T[5]] complexes are bridged by an extra (CF 3 CO 2 Ag) 2 dimer through exo-wall Ag I η 2 -arene coordination, resulting in a unique handcuff metallo-bis-pseudorotaxane structure in the solid state.
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