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• W4383998582 endingPage "35061" @default.
• W4383998582 startingPage "35052" @default.
• W4383998582 abstract "Lanthanide-organic frameworks (LnOFs) are a class of promising catalysts on a large number of organic reactions because of the higher coordination number of Ln3+ ions, inspired by which exploratory preparation of cluster-based LnOFs was carried out by us. Herein, the exquisite combination of spindly [Ln5(μ3-OH)6(CO2)6(H2O)6] clusters (abbreviated as {Ln5}) and fluorine-functionalized tetratopic ligand of 2',3'-difluoro-[p-terphenyl]-3,3″,5,5″-tetracarboxylic acid (F-H4PTTA) engendered two highly robust isomorphic nanoporous frameworks of {[Ln5(FPTTA)2(μ3-OH)6(H2O)6](NO3)}n (NUC-61, Ln = Ho and Dy). NUC-61 compounds are rarely reported {Ln5}-based 3D frameworks with nano-caged voids (19 Å × 17 Å), which are shaped by twelve [Ln5(μ3-OH)6(COO)8] clusters and eight completely deprotonated F-PTTA4- ligands. Activated NUC-61a compounds are characterized by plentiful coexisted Lewis acid-base sites of open LnIII sites, capped μ3-OH, and -F. Judged by the ideal adsorbed solution theory (IAST), activated NUC-61Ho-a had a high CO2/CH4 adsorptive selectivity with the value of 12.7 (CO2/CH4 = 50/50) and 9.1 (CO2/CH4 = 5/95) at 298 K, which could lead to high-purity CH4 (≥99.9996%). Furthermore, catalytic experiments exhibited that NUC-61Ho-a, as a representative, could efficiently catalyze the cycloaddition reactions of CO2 with epoxides as well as the Knoevenagel condensation reactions of aldehydes and malononitrile. This work proves that the {Ln5}-based skeletons of NUC-61 with chemical stability, heterogeneity, and recyclability are an excellent acid-base bifunctional catalyst for some organic reactions." @default.
• W4383998582 created "2023-07-13" @default.
• W4383998582 creator A5055032252 @default.
• W4383998582 creator A5058544003 @default.
• W4383998582 creator A5073196579 @default.
• W4383998582 creator A5074971530 @default.
• W4383998582 date "2023-07-12" @default.
• W4383998582 modified "2023-10-18" @default.
• W4383998582 title "Robust Fluorine-Functionalized {Ln₅}-Organic Frameworks for Excellent Catalytic Performance on Cycloaddition of CO₂ with Epoxides and Knoevenagel Condensation" @default.
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• W4383998582 doi "https://doi.org/10.1021/acsami.3c06804" @default.
• W4383998582 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37436029" @default.
• W4383998582 hasPublicationYear "2023" @default.
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