Influence of π–π interactions on organic photocatalytic materials and their performance

Chemical Society Reviews, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

A comprehensive review is provided on the impact, construction strategies and applications of π–π interactions in field photocatalysis.

Язык: Английский

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5,12-Dihydroquinoxalino[2,3-b] quinoxaline-based porous organic polymer as photocatalyst for visible-light-driven cross-coupling reactions

Journal of Catalysis, Год журнала: 2025, Номер unknown, С. 115972 - 115972

Опубликована: Янв. 1, 2025

Язык: Английский

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Photoinduced Co-catalyzed dehydrogenative cyclization of 2-alkenylphenyl carbonyl compounds and mechanistic insights

Organic Chemistry Frontiers, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

We present two protocols for the efficient synthesis of substituted 1-naphthols. DFT calculations and verification experiments elucidate mechanism. Scale-up product conversion confirm reaction's practical potential.

Язык: Английский

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Chiral Porous Frameworks for Enantioselective Separation and Asymmetric Catalysis

Chinese Journal of Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Фев. 19, 2025

Comprehensive Summary The preparation and resolution of chiral molecules hold significant importance in scientific industrial domains, such as drug development manufacturing. In recent years, porous frameworks have attracted increasing attention asymmetric catalysis enantiomer due to their excellent performance. metal‐organic (MOFs), covalent organic (COFs), cages (POCs), coordination (PCCs) are important representative the framework family. Significantly, chirality can be easily introduced into these materials through simple bottom‐up or post‐modification methods, thereby promoting applications related chirality. this review, we systematically summarize synthesis strategies four classes enantiomeric resolution. Finally, present some perspectives on future frameworks. Key Scientists Significant progress has been made frameworks, primarily driven by application molecules. This area research seen contributions from many distinguished scientists. A particularly milestone was reached 2000, when Kimoon Kim reported first catalytic Chiral Metal‐Organic Framework (CMOF). 2001, Lin et al . a new generation recyclable CMOF capable separation heterogeneous catalysis. Simultaneously, researchers Cui Duan substantial contributions, advancing field considerably. Furthermore, notable developments Covalent Organic Frameworks (CCOFs), with pioneering work like Jiang, Wang, Cui. Meanwhile, groups Su Li strides cages. These remarkable accomplishments drawn considerable interest.

Язык: Английский

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Modulating N‐Heterocyclic Microenvironment in β‐Ketoenamine Covalent Organic Frameworks to Boost Overall Photosynthesis of H₂O₂

Small, Год журнала: 2025, Номер unknown

Опубликована: Фев. 28, 2025

Abstract Covalent Organic Frameworks (COFs) have emerged as promising platforms for photocatalytic synthesis of hydrogen peroxide (H 2 O ) due to their tunable chemical compositions and efficient catalytic functionalities. Inspired by the role microenvironment in enzyme catalysis, this study introduces various N‐heterocyclic species into β ‐ketoenamine COFs (N x ‐COFs, where N represents number nitrogen atoms N‐heterocycle) regulate around sites on acceptor‐donor‐acceptor (A‐D‐A) foroverall H photosynthesis pure water. The ‐COFs exhibit distinct photosynthetic rates following sequence 3 ‐COF > 1 0 ‐COF, with triazine structure showing highest generation rate (4881 µmol h −1 g decent solar‐to‐chemical conversion (SCC) efficiency (0.413%), surpassing many existing COF‐based catalysts. In situ characterization theoretical calculations support experimental results, revealing that promote through both an indirect stepwise single‐electron oxygen reduction reaction (1e − ORR) mechanism a direct two‐electron water oxidation (2e WOR) pathway. This advances design paradigm photocatalysts modulating within A‐D‐A COFs, paving way development more robust systems overall .

Язык: Английский

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Deciphering the mechanism of structural transformation between Pd3L6 and Pd4L8 metal-organic cages

Science China Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Янв. 20, 2025

Язык: Английский

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Ionic Radius-Dependent Self-Assembly of Lanthanide Organic Polyhedra: Structural Diversities and Luminescent Properties

Inorganic Chemistry Frontiers, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

This article presents the influence of lanthanide size and ligands conformational flexibility on assemblies their corresponding luminescent properties.

Язык: Английский

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Room-temperature aerobic oxidation of alcohols into carbonyl compounds using VO@GO catalyst

Synthetic Communications, Год журнала: 2025, Номер unknown, С. 1 - 11

Опубликована: Фев. 19, 2025

Язык: Английский

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Asymmetric Cascade Photocycloaddition-Acyloin Rearrangement Enabled by Cage-Confined Visible-Light Catalysis

Journal of the American Chemical Society, Год журнала: 2025, Номер unknown

Опубликована: Апрель 8, 2025

Enzymatic catalysis in biological systems is characterized by the specific pocket confinement imposed various protein matrixes, enabling synthesis of a diverse array functional biomolecules. Development new catalysts that incorporate multiple catalytic centers within enzyme-mimic confined spaces presents meaningful yet challenging project for synthetic chemists. Here, we present our recent achievement synthesizing chiral photosensitive metal-organic cage (cPMOC), Δ4-/Λ4-MOC-68-Ru4, which possesses pockets can facilitate visible-light-induced asymmetric cascade intermolecular [2 + 2] cycloaddition/acyloin rearrangement first time. The current photochemical transformation affords bicyclo[3.2.1]octanes with opposite regiospecificity contrast to well-established thermodynamically favored [3 cycloaddition transformations similar reaction counterparts. distinctive size 2 inhibits dimerization α,β-unsaturated ketones and promotes heterocycloaddition between ketone smaller cyclic 1,2-dione, underscoring critical role microenvironmental shape guest binding determining reactivity.

Язык: Английский

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Sol-Gel Heterogeneization of an Ir(III) Complex for Sustainable Visible-Light Redox Photocatalysis

Molecules, Год журнала: 2025, Номер 30(8), С. 1680 - 1680

Опубликована: Апрель 9, 2025

Photocatalysis is a key strategy for the development of sustainable solar-driven chemical processes. In this work, we report synthesis and characterization novel organometallo–ionosilica material derived from self-condensation an alcoxysilane functionalized Ir(III) complex. acetonitrile suspension, retains photophysical properties its precursor in solution same solvent, together with significant absorption visible between 400 500 nm. As heterogeneous photocatalyst, showed high efficiency reductive dehalogenation 2-bromoacetophenone under blue light irradiation, achieving yields conversion about 90%, excellent recyclability seven catalytic cycles, retaining more than 70% efficiency. All these self-condensed highlight potential as efficient photocatalyst applications organic redox

Язык: Английский

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