Herein the chiral resolution of racemic Zr_(4)L_(6)tetrahedral cages has been realized using luminescent enantiopure coordination cations.Accordingly,anionicΔΔΔΔ-Zr_(4)L_(6)andΛΛΛΛ-Zr_(4)L_(6)cages(L=embonate)...Herein the chiral resolution of racemic Zr_(4)L_(6)tetrahedral cages has been realized using luminescent enantiopure coordination cations.Accordingly,anionicΔΔΔΔ-Zr_(4)L_(6)andΛΛΛΛ-Zr_(4)L_(6)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.展开更多
基金supported by the National Natural Science Foundation of China(92261108 and 21935010)the STS Project of Fujian-CAS(2023T3054).
文摘Herein the chiral resolution of racemic Zr_(4)L_(6)tetrahedral cages has been realized using luminescent enantiopure coordination cations.Accordingly,anionicΔΔΔΔ-Zr_(4)L_(6)andΛΛΛΛ-Zr_(4)L_(6)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.
