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Abstract:
Herein the chiral resolution of racemic Zr4L6 tetrahedral cages has been realized using luminescent enantiopure coordination cations. Accordingly, anionic ΔΔΔΔ-Zr4L6 and ΛΛΛΛ-Zr4L6 cages (L = embonate) were completely resolved using enantiopure [Ag(R-BINAP)2]+ and [Ag(S-BINAP)2]+ cations, respectively, and a pair of pure enantiomers (PTC-374(R,Δ) and PTC-374(S,Λ); PTC = polynuclear titanium cage) were easily prepared and structurally well-characterized, featuring an uncommon cage-supported supramolecular framework with zeolitic SOD topology. The stepwise transfer of homochirality can be clearly observed in the unusual resolution process. Moreover, the perfect combination of two functional components endows such co-assembled materials with synergistic circular dichroism performance, enhanced fluorescence and circularly polarized luminescence response. © 2024 The Royal Society of Chemistry.
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Inorganic Chemistry Frontiers
Year: 2024
Issue: 19
Volume: 11
Page: 6486-6492
6 . 1 0 0
JCR@2023
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