Indirect Construction of Chiral Metal–Organic Frameworks for Enantioselective Luminescence Sensing

Accounts of Chemical Research, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 2, 2025

ConspectusChiral metal-organic frameworks (MOFs) are promising candidates as luminescent sensing materials for chiral species, which essential components in modern industries, pharmaceuticals, and biological processes. The discrimination of enantiomers with highly similar physical chemical properties is crucial because they often present concurrently the same system but may feature distinct effects on living matters. While rapid precise capabilities MOFs outshine traditional detection methods species daily life, production, natural environment, it requires well-matched electronic structures between species. Yet, conventional strategies to construct immensely challenging due crystallization difficulties based low-symmetric building blocks.Recent advancements MOF chemistry have led novel pathways synthesizing enantioselective sensing. Compared direct synthesis using optically pure ligands, usually complex costly, indirect has garnered significant attention reduced costs, simplified synthesis, enhanced material stability, broad application scope. In past few years, our group developed guest ion exchange, coordination modification, defect engineering indirectly MOFs. exchange cost-effective introducing ions into pores can be applied only charged frameworks. addition, also faces limitations availability tendency toward chirality loss during process. Besides, compared modification maintain stability stronger bonds. Still, accessible open metal sites that bind disordered dangling molecules, complicating structural determination. Therefore, specific such linker installation dual-end been afford well-defined crystal structures. all aforementioned decrease MOFs' pore sizes a certain degree, we further approach enlarge size introduce center simultaneously. Such competitive strategy facile low-cost expanded many well-known stable MOFs.In this Account, delve intricate evolution constructing tailored applications. We provide detailed analysis progression innovation within field, tracing development MOF-based luminescence sensors. By systematically reviewing various synthetic approaches, work highlights their respective strengths limitations. Beyond state art, Account offers forward-looking insights aiming inspire design next-generation These advanced hold promise versatile impactful applications across beyond.

Language: Английский

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Acetylene semi-hydrogenation catalyzed by Pd single atoms sandwiched in zeolitic imidazolate frameworks via hydrogen activation and spillover

Materials Horizons, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Pd single atoms were anchored by zeolitic imidazolate framework to form a Z@Pd@Z sandwich catalyst, over which efficient acetylene semi-hydrogenation could be realized hydrogen activation and spillover.

Language: Английский

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Cobalt Nanoparticles catalyzed N‐Heterocycles Synthesis via Acceptorless Dehydrogenative Coupling

Chemistry - A European Journal, Journal Year: 2024, Volume and Issue: unknown

Published: July 29, 2024

Abstract The acceptorless dehydrogenation reaction is a sustainable and atom‐economical methodology in organic synthesis, resulting the byproducts of only hydrogen or water. Herein, robust Co−Si/CN catalyst (derived from ZIF@SiO 2 composite) has been synthesized through one‐step assembly process via pyrolysis etching. This employed for dehydrogenative coupling 2‐aminoalcohols with secondary alcohols, enabling efficient conversion various substrates into desired quinoline pyridine derivatives yield up to 94 %.

Language: Английский

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Iron-based nitrogen-rich metal-organic framework structure for activation of hydrogen peroxide and peroxymonosulfate for ultra-efficient tetracycline degradation

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 680, P. 307 - 325

Published: Nov. 5, 2024

Language: Английский

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A strategy to obtain highly luminescent MOF-76 based on hydrothermal annealing treatment

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 179341 - 179341

Published: Feb. 1, 2025

Language: Английский

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Cu(II) Metal–Organic Framework as a Recyclable Heterogeneous Catalyst for Substituted Pyridine Synthesis from Cyclic Ketones with Propargylamine

Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 25, 2025

The creation of efficient and stable metal-organic framework (MOF) catalysts with coordinatively unsaturated metal sites is critical in modern organic synthesis. Herein, we reported one new Cu(II)-MOF the chemical formula {[Cu(L)(H2O)]·2DMA·H2O}∞ (1) (H2L = 4,4'-((4R,5R)-4,5-diphenylimidazolidine-1,3-diyl)dibenzoic acid) for annulation cyclic ketones propargylamine. Compound 1 possesses a 2-fold interpenetrating 3D kagome net channel opening about 20 Å diameter. Framework 1' exhibits high permanent porosity (778 m2/g, BET) recyclable catalytic activity propargylamine one-pot tandem reaction, affording series substituted pyridines good yield. X-ray photoelectron spectroscopy analysis indicates that Cu(II) reduced to active Cu(I) species reaction system, while selectively activate triple bond promote annulation. successful preparation heterogeneous presents opportunities developing highly Cu or other transformations mediated by Cu.

Language: Английский

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Metal pyrazolate frameworks: crystal engineering access to stable functional materials

Chemical Society Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

As the focus evolves from structure discovery/characterization (what it is) to property/performance exploration is for), pursuit of stable functional metal-organic frameworks (MOFs) has been ongoing in terms both fundamental research and industrial implementation. Under guidance crystal engineering principles, a plethora developed pyrazolate MOFs (metal pyrazaolate frameworks, MPFs) featuring strong coordination M-N bonding. This attribution helps them retain their structures functions under alkaline conditions required for practical use. Based on poly-topic ligands, various classic MOFs, such as Co(bdp), Fe2(BDP)3, Ni8L6, PCN-601, BUT-55, name few, have revealed fascinating architectures, intriguing properties, record-breaking performances applications during past decade. review will present full scope MPFs date: (1) superiority significance constructing through approach, (2) synthetic strategies adopted building and/or modifying MPFs, (3) structural features stability MPF community, (4) potential energy environmental related fields. The future opportunities are also discussed designing next-generation smart materials. Overall, this attempts provide insights guidelines customization pyrazolate-based specific purposes, which would promote development porous materials addressing societal challenges.

Language: Английский

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Purification of Xe and SF₆ through Adaptive Contractions in a Flexible Metal–Organic Framework

Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

Overcoming the trade-off effects between adsorption capacity, selectivity, and enthalpy of an adsorbent is very important but remains a huge challenge. Here, we report flexible metal-organic framework (FJI-H36); it can selectively adsorb Xe from Xe/Kr mixtures with high capacity low enthalpy. Structural analyses show that such excellent performances come adaptive contraction framework; pore shrinkage enhance interactions adsorbed offset some heats. For SF6/N2 mixtures, FJI-H36 also performance SF6 through contraction, resulting in both selectivity This not only provides new for purification Xe/Kr/SF6 offers potential solution to overcome trade-offs among specific adsorbent.

Language: Английский

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CNTs Coordination-Embedded into Copper–Pyrazole MOFs for Selective Electrocatalytic CO2 to C2H4

Catalysis Letters, Journal Year: 2025, Volume and Issue: 155(5)

Published: April 4, 2025

Language: Английский

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Flexible and Rapid Synthesis of Bimetallic Metal–Organic Framework Thin Films

Crystal Growth & Design, Journal Year: 2025, Volume and Issue: unknown

Published: April 10, 2025

Language: Английский

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