Issue 19, 2024

Enantioselective assembly of tetrahedral Zr4(embonate)6 cages in zeolitic frameworks for synergetic circularly polarized luminescence

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.

Graphical abstract: Enantioselective assembly of tetrahedral Zr4(embonate)6 cages in zeolitic frameworks for synergetic circularly polarized luminescence

Supplementary files

Article information

Article type
Research Article
Submitted
28 Jun 2024
Accepted
07 Aug 2024
First published
08 Aug 2024
This article is Open Access
Creative Commons BY-NC license

Inorg. Chem. Front., 2024,11, 6486-6492

Enantioselective assembly of tetrahedral Zr4(embonate)6 cages in zeolitic frameworks for synergetic circularly polarized luminescence

X. Meng, Q. Ding, S. Chen, Y. He and J. Zhang, Inorg. Chem. Front., 2024, 11, 6486 DOI: 10.1039/D4QI01624F

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