Themed collection ChemComm Most Popular 2023 Articles

60 items
Open Access Highlight

Advanced electrocatalytic redox processes for environmental remediation of halogenated organic water pollutants

An urgent need for quantitative mechanistic understanding of advanced redox processes for aqueous electrocatalytic organohalogen destruction methods is addressed, highlighting remediation of fluorinated, chlorinated, and brominated water pollutants.

Graphical abstract: Advanced electrocatalytic redox processes for environmental remediation of halogenated organic water pollutants
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Highlight

C–C bond formation via photocatalytic direct functionalization of simple alkanes

This article reviews the methodologies available to achieve C–C bond formation via photocatalytic and photo-electrocatalytic direct functionalization of simple alkanes.

Graphical abstract: C–C bond formation via photocatalytic direct functionalization of simple alkanes
From the themed collection: Chemical Communications HOT Articles 2023
Highlight

Vacancy designed 2D materials for electrodes in energy storage devices

Vacancies are ubiquitous in nature, usually playing an important role in determining how a material behaves, both physically and chemically.

Graphical abstract: Vacancy designed 2D materials for electrodes in energy storage devices
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Highlight

Small-molecule photoswitches for fluorescence bioimaging: engineering and applications

This minireview highlights advances in the application of small-molecule photoswitches towards the design of controllable functional reporters for fluorescence microscopy.

Graphical abstract: Small-molecule photoswitches for fluorescence bioimaging: engineering and applications
From the themed collection: Chemical Communications HOT Articles 2023
Feature Article

Carbon nanomaterials for designing next-generation membranes and their emerging applications

Current developments and future prospects of CNM-based polymeric membranes for enantiomeric separation, wastewater treatment, gas separation, and biomolecule separation are highlighted in this feature article.

Graphical abstract: Carbon nanomaterials for designing next-generation membranes and their emerging applications
From the themed collection: 2023 CRSI Medal Winners Collection
Open Access Feature Article

Solvent–antisolvent interactions in metal halide perovskites

This feature article outlines the impact of solvent–antisolvent interactions on the film formation processes of metal halide perovskites.

Graphical abstract: Solvent–antisolvent interactions in metal halide perovskites
From the themed collection: Perovskites
Open Access Feature Article

Lead-free perovskite-inspired semiconductors for indoor light-harvesting – the present and the future

Perovskite-inspired absorbers are promising for sustainable indoor light-harvesting. Defect mitigation and device operational stability need attention to accelerate the development of air-stable and low-toxicity photovoltaics.

Graphical abstract: Lead-free perovskite-inspired semiconductors for indoor light-harvesting – the present and the future
From the themed collection: Perovskites
Feature Article

Visible light-mediated photolysis of organic molecules: the case study of diazo compounds

This article discusses the photochemistry of several diazo compounds undergoing visible light-mediated photolysis to generate free carbenes (or other highly reactive intermediates), which can be sequentially trapped by different reacting partners.

Graphical abstract: Visible light-mediated photolysis of organic molecules: the case study of diazo compounds
From the themed collection: 2023 Pioneering Investigators
Feature Article

Redox-neutral carbon–heteroatom bond formation under photoredox catalysis

This feature article presents all the recent reports on photoredox-catalyzed redox-neutral carbon–heteroatom coupling reactions up to March 2023.

Graphical abstract: Redox-neutral carbon–heteroatom bond formation under photoredox catalysis
From the themed collection: ChemComm Most Popular 2023 Articles
Feature Article

Electrolyte-philicity of electrode materials

The electrochemical interfacial interaction of electrode materials with liquid electrolytes in electrochemical energy storage systems have become a research hotspot and play a decisive role in electrochemical energy storage.

Graphical abstract: Electrolyte-philicity of electrode materials
From the themed collection: ChemComm Most Popular 2023 Articles
Feature Article

Emerging covalent triazine framework-based nanomaterials for electrochemical energy storage and conversion

This review introduces recent advances of covalent triazine framework-based materials for electrochemical energy storage and conversion, including supercapacitors, alkali-ion batteries, lithium–sulfur batteries, HER, ORR/OER, and carbon dioxide reduction reaction.

Graphical abstract: Emerging covalent triazine framework-based nanomaterials for electrochemical energy storage and conversion
From the themed collection: ChemComm Most Popular 2023 Articles
Feature Article

New age chloride shielding strategies for corrosion resistant direct seawater splitting

Electrocatalytic direct seawater splitting is considered to be one of the most desirable and necessary approach to produce substantial amount of green hydrogen to meet the energy demand.

Graphical abstract: New age chloride shielding strategies for corrosion resistant direct seawater splitting
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Feature Article

Deeper mechanistic insights into epitaxial nickelate electrocatalysts for the oxygen evolution reaction

Epitaxial oxide thin films enable electrocatalyst design, e.g. for the oxygen evolution reaction, based on atomic-level structure–property–functionality relationships.

Graphical abstract: Deeper mechanistic insights into epitaxial nickelate electrocatalysts for the oxygen evolution reaction
From the themed collection: ChemComm Most Popular 2023 Articles
Feature Article

Multiresonant TADF materials: triggering the reverse intersystem crossing to alleviate the efficiency roll-off in OLEDs

Multi-resonant thermally activated delayed fluorescent (MR-TADF) materials with boosting rate of Reverse Intersystem Crossing, subsequently alleviating External Quantum Efficiency roll off in OLEDs were discussed.

Graphical abstract: Multiresonant TADF materials: triggering the reverse intersystem crossing to alleviate the efficiency roll-off in OLEDs
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Feature Article

Nanosized metal–organic frameworks as unique platforms for bioapplications

Metal–organic frameworks (MOFs) are extremely versatile materials, which serve to create platforms with exceptional porosity and specific reactivities.

Graphical abstract: Nanosized metal–organic frameworks as unique platforms for bioapplications
From the themed collection: ChemComm Most Popular 2023 Articles
Feature Article

Excited-state intramolecular proton transfer (ESIPT)-based fluorescent probes for biomarker detection: design, mechanism, and application

Biomarkers are essential in biology, physiology, and pharmacology; thus, their detection is of extensive importance.

Graphical abstract: Excited-state intramolecular proton transfer (ESIPT)-based fluorescent probes for biomarker detection: design, mechanism, and application
From the themed collection: Chemosensors and Molecular Logic
Open Access Feature Article

Converting pH probes into “turn-on” fluorescent receptors for anions

The feature article outlines the design concept for the construction of “turn-on” fluorescent receptors for anions using fluorescent pH probes. Applications of this concept for the construction of fluorescent receptors for anions are described.

Graphical abstract: Converting pH probes into “turn-on” fluorescent receptors for anions
From the themed collection: Chemosensors and Molecular Logic
Open Access Feature Article

Recent progress in alkynylation with hypervalent iodine reagents

Although alkynes are one of the smallest functional groups, they are among the most versatile building blocks for organic chemistry. In this feature article, the progress in alkynylation with hypervalent iodine reagents since 2018 will be presented.

Graphical abstract: Recent progress in alkynylation with hypervalent iodine reagents
From the themed collection: ChemComm Most Popular 2023 Articles
Feature Article

Synthesis strategies to control the Al distribution in zeolites: thermodynamic and kinetic aspects

Recent strategies to steer Aluminum contents and their location in zeolite synthesis are interpreted from both a kinetic and thermodynamic view.

Graphical abstract: Synthesis strategies to control the Al distribution in zeolites: thermodynamic and kinetic aspects
From the themed collection: ChemComm Most Popular 2023 Articles
Feature Article

Femtosecond transient absorption spectroscopy investigation into the electron transfer mechanism in photocatalysis

This feature article introduces the basic principles of femtosecond transient absorption spectroscopy (fs-TAS) and recent advances in the application of fs-TAS to heterojunction photocatalysts.

Graphical abstract: Femtosecond transient absorption spectroscopy investigation into the electron transfer mechanism in photocatalysis
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Communication

Swift C–C bond insertion by a 12-electron palladium(0) surrogate

The selective activation of C–C bonds holds vast promise for catalysis.

Graphical abstract: Swift C–C bond insertion by a 12-electron palladium(0) surrogate
From the themed collection: Chemical Communications HOT Articles 2023
Open Access Communication

Rapid single crystal growth via guest displacement from host–guest complexes

A single crystal growth method for low solubility polycyclic aromatic substrates based on competitive host–guest equilibria is developed.

Graphical abstract: Rapid single crystal growth via guest displacement from host–guest complexes
From the themed collection: Chemical Communications HOT Articles 2023
Open Access Communication

Selective access to dihydrophenanthridines and phenanthridinones via cyclisation of aryl amines onto N-tethered arynes

Cyclisation of aryl amines onto tethered arynes affords selective access to phenanthridine derivatives via simple switch of reaction environment.

Graphical abstract: Selective access to dihydrophenanthridines and phenanthridinones via cyclisation of aryl amines onto N-tethered arynes
From the themed collection: 2023 Pioneering Investigators
Communication

Photogenerated donor–donor diazo compounds enable facile access to spirocyclopropanes

Prompted by the increasing interest in strained hydrocarbons as potential drug candidates, we developed a simple and efficient photochemical protocol for (spiro)cyclopropanes from bench stable tosylhydrazones and electron poor olefins.

Graphical abstract: Photogenerated donor–donor diazo compounds enable facile access to spirocyclopropanes
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Communication

Energetic performance of trinitromethyl nitrotriazole (TNMNT) and its energetic salts

Trinitromethyl nitrotriazole (TNMNT) and its hydrazinium and potassium salts exhibit several unique energetic properties, which suggest their potential as solid propellants and oxidizers.

Graphical abstract: Energetic performance of trinitromethyl nitrotriazole (TNMNT) and its energetic salts
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Communication

Enhanced hydrogen bonding via epoxide-functionalization restricts mobility in poly(ethylenimine) for CO2 capture

Combined modeling and experiments uncover the influence of epoxide-functionalization on hydrogen bonding and mobility within poly(ethylenimine) CO2 sorbents, rationalizing the antidegradation benefits conferred by functionalization.

Graphical abstract: Enhanced hydrogen bonding via epoxide-functionalization restricts mobility in poly(ethylenimine) for CO2 capture
From the themed collection: Chemical Communications HOT Articles 2023
Communication

Amorphous Fe–Co oxide as an active and durable bifunctional catalyst for the urea-assisted H2 evolution reaction in seawater

Benefitting from the favorable mass diffusion kinetics and increased exposed active sites, the amorphous Fe–Co oxide shows satisfactory UOR and HER performance in alkaline seawater.

Graphical abstract: Amorphous Fe–Co oxide as an active and durable bifunctional catalyst for the urea-assisted H2 evolution reaction in seawater
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Pd-catalyzed regioselective rollover dual C–H annulation cascade: facile approach to phenanthrene derivatives

A Pd-catalyzed rollover cascade dual C–H annulation of aryl phenols with alkynols for producing phenanthrene scaffolds in a regioselective manner was developed. Necessary control, KIE and deuterium experiments were conducted to determine the reaction mechanism.

Graphical abstract: Pd-catalyzed regioselective rollover dual C–H annulation cascade: facile approach to phenanthrene derivatives
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Palladium metallene for nitric oxide electroreduction to ammonia

Pd metallene has been demonstrated as an efficient catalyst for electrocatalytic NO reduction to NH3 (NO3RR), attributed to the hcp site of Pd to effectively activate and hydrogenate NO through a mixed pathway with a low energy barrier.

Graphical abstract: Palladium metallene for nitric oxide electroreduction to ammonia
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

An electrochemical cascade process: synthesis of 3-selenylindoles from 2-alkynylanilines with diselenides

Herein, we present an efficient method for synthesizing 3-selenylindoles through an electrochemically driven oxidative cyclization of 2-alkynylanilines with diselenides under mild reaction conditions in an electrochemical undivided cell setup.

Graphical abstract: An electrochemical cascade process: synthesis of 3-selenylindoles from 2-alkynylanilines with diselenides
From the themed collection: #RSCPoster Conference
Open Access Communication

A TCF-based fluorescent probe to determine nitroreductase (NTR) activity for a broad-spectrum of bacterial species

A nitroreductase (NTR) responsive fluorescent probe with long wavelength fluorescence emission was used to determine the NTR activity of a selection of bacterial species under a range of different bacterial growth conditions.

Graphical abstract: A TCF-based fluorescent probe to determine nitroreductase (NTR) activity for a broad-spectrum of bacterial species
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

A two-dimensional lead-free hybrid perovskite semiconductor with reduced melting temperature

Herein, we demonstrate a record low melting temperature (Tm = 142 °C) in a lead-free perovskite and provide empirical design rules to tune the perovskite composition to achieve it.

Graphical abstract: A two-dimensional lead-free hybrid perovskite semiconductor with reduced melting temperature
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Communication

A practical synthesis of 1,3-disubstituted cubane derivatives

A robust multigram-scale synthesis of dimethyl 1,3-cubane dicarboxylate (previously only available on milligram-scale) is reported, as well as its conversion into a variety of other 1,3-disubstituted cubanes.

Graphical abstract: A practical synthesis of 1,3-disubstituted cubane derivatives
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Boosting selectivity towards formate production using CuAl alloy nanowires by altering the CO2 reduction reaction pathway

Understanding the fundamentals behind an electrocatalyst's selectivity enables the the design of functional materials for CO2RR.

Graphical abstract: Boosting selectivity towards formate production using CuAl alloy nanowires by altering the CO2 reduction reaction pathway
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Visible-light driven electron–donor–acceptor (EDA) complex-initiated synthesis of thio-functionalized pyridines

A visible-light-induced electron–donor–acceptor (EDA)-aggregated radical cyclization between (E)-2-(1,3-diarylallylidene)malononitriles and thiophenols leads to poly-functionalized thio pyridines.

Graphical abstract: Visible-light driven electron–donor–acceptor (EDA) complex-initiated synthesis of thio-functionalized pyridines
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Yttrium-doped cobalt-based metal–organic frameworks for selective electrooxidation of glycerol coupled with hydrogen production

Yttrium doping regulates the electronic structure of cobalt-based MOFs and boosts their electrocatalytic performance for glycerol electrooxidation and hydrogen evolution.

Graphical abstract: Yttrium-doped cobalt-based metal–organic frameworks for selective electrooxidation of glycerol coupled with hydrogen production
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Annulation of enaminones with quinonediimides/quinoneimides for selective synthesis of indoles and 2-aminobenzofurans

The selectivity tunable synthesis of functionalized indoles and benzofurans has been achieved via the reactions of enaminones with quinonediimides and quinoneimides under modified conditions, respectively.

Graphical abstract: Annulation of enaminones with quinonediimides/quinoneimides for selective synthesis of indoles and 2-aminobenzofurans
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Efficient electrocatalytic reduction of nitrate to ammonia over fibrous SmCoO3 under ambient conditions

SmCoO3 nanofibers achieve a large NH3 yield of 14.4 mg h−1 mgcat.−1 and a high faradaic efficiency of 81.3% at −1.0 V vs. RHE in 0.1 M PBS with 0.1 M NO3.

Graphical abstract: Efficient electrocatalytic reduction of nitrate to ammonia over fibrous SmCoO3 under ambient conditions
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Coupled W–Co2P hybrid nanosheets as a robust bifunctional electrocatalyst for hydrazine-assisted hydrogen production

An interface coupling strategy is developed to deposit metal W species onto Co2P nanosheets on a nickel foam substrate (W@Co2P/NF). This catalyst realizes superior bifunctional performance for both the HER and HzOR in an alkaline medium.

Graphical abstract: Coupled W–Co2P hybrid nanosheets as a robust bifunctional electrocatalyst for hydrazine-assisted hydrogen production
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Tetralactam macrocycle based indicator displacement assay for colorimetric and fluorometric dual-mode detection of urinary uric acid

An indicator displacement assay for colorimetric/fluorometric dual-mode detection of urinary uric acid was constructed using a naphthalene-based tetralactam macrocycle and phenoxazine dye, resorufin, which realized the visual detection of uric acid levels of volunteers.

Graphical abstract: Tetralactam macrocycle based indicator displacement assay for colorimetric and fluorometric dual-mode detection of urinary uric acid
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Topotactic synthesis of high-entropy sulfide nanosheets as efficient pre-catalysts for water oxidation

Herein, quinary CoFeNiCuCr sulfide nanosheets with a high-entropy feature and rough surface were fabricated via a topotactic transformation pathway, and display facile pre-oxidation and improved intrinsic activity towards the robust oxygen evolution reaction.

Graphical abstract: Topotactic synthesis of high-entropy sulfide nanosheets as efficient pre-catalysts for water oxidation
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Coupling Cu doping and oxygen vacancies in Co3O4 for efficient electrochemical nitrate conversion to ammonia

Coupling Cu doping and oxygen vacancies in Co3O4 can greatly improve its electrochemical nitrate reduction reaction performance towards NH3 generation.

Graphical abstract: Coupling Cu doping and oxygen vacancies in Co3O4 for efficient electrochemical nitrate conversion to ammonia
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Altered electronic structure of trimetallic FeNiCo-MOF nanosheets for efficient oxygen evolution

The charge density of Co atoms in Co-MOFs is optimized by bimetallic (Fe, Ni) atom substitution, and the reconstructed Co(Ni)OOH on FeNiCo-MOF as the real active site lowers the energy barrier of rate-determining step, conducive to OER processes.

Graphical abstract: Altered electronic structure of trimetallic FeNiCo-MOF nanosheets for efficient oxygen evolution
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Zero-dimensional Cu(I)-based organometallic halide with green cluster-centred emission for high resolution X-ray imaging screens

Zero-dimensional cupper(I) organometallic metal halide, with a perovskite-related structure, exhibits an efficient green cluster-centred emission for next-generation X-ray imaging screens.

Graphical abstract: Zero-dimensional Cu(i)-based organometallic halide with green cluster-centred emission for high resolution X-ray imaging screens
From the themed collection: Perovskites
Communication

Polyethyleneimine-functionalized PdOs bimetallene for enhanced oxygen reduction

The polyethyleneimine-functionalized PdOs bimetallene with a curved 2D nanosheet structure was synthesized for enhanced oxygen reduction electrolysis.

Graphical abstract: Polyethyleneimine-functionalized PdOs bimetallene for enhanced oxygen reduction
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Particle size optimization of metal–organic frameworks for superior capacitive deionization in oxygenated saline water

The effect of metal–organic framework particle size on capacitive performance in oxygenated saline water was studied, suggesting that as particle size increases, the performance decreases.

Graphical abstract: Particle size optimization of metal–organic frameworks for superior capacitive deionization in oxygenated saline water
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

High-performing, insensitive and thermally stable energetic materials from zwitterionic gem-dinitromethyl substituted C–C bonded 1,2,4-triazole and 1,3,4-oxadiazole

A series of gem-dinitromethyl substituted zwitterionic CC bonded azole based energetic materials (3–8) were designed, synthesized, and characterized through NMR, IR, EA, and DSC studies.

Graphical abstract: High-performing, insensitive and thermally stable energetic materials from zwitterionic gem-dinitromethyl substituted C–C bonded 1,2,4-triazole and 1,3,4-oxadiazole
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Coinage metal amido and thiolate SNS complexes: consequences of catalyst speciation in Cu(I)-catalysed carbonyl hydroboration

Three new IPr-Ag- and -Au-SNS amido and thiolate complexes were synthesized and compared to their previously reported Cu analogues as carbonyl hydroboration catalysts (IPr = bis(2,6-diisopropylphenyl)imidazol-2-ylidene).

Graphical abstract: Coinage metal amido and thiolate SNS complexes: consequences of catalyst speciation in Cu(i)-catalysed carbonyl hydroboration
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Three-component synthesis of N-naphthyl pyrazoles via Rh(III)-catalyzed cascade pyrazole annulation and Satoh–Miura benzannulation

The reactions of enaminones, hydrazine hydrochlorides and internal alkynes for the synthesis of N-naphthyl pyrazoles are achieved via Rh(III) catalysis, representing the first three-component Satoh–Miura benzannulation.

Graphical abstract: Three-component synthesis of N-naphthyl pyrazoles via Rh(iii)-catalyzed cascade pyrazole annulation and Satoh–Miura benzannulation
From the themed collection: ChemComm Most Popular 2023 Articles
Open Access Communication

Amidation by reactive extrusion for the synthesis of active pharmaceutical ingredients teriflunomide and moclobemide

The solventless synthesis of teriflunomide and moclobemide was realized in a twin-screw extruder.

Graphical abstract: Amidation by reactive extrusion for the synthesis of active pharmaceutical ingredients teriflunomide and moclobemide
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Gas-phase organometallic catalysis in MFM-300(Sc) provided by switchable dynamic metal sites

MFM-300(Sc) was explored as a catalyst for the gas-phase hydrogenation of acetone. The reaction was driven by Sc(III) dynamics sites.

Graphical abstract: Gas-phase organometallic catalysis in MFM-300(Sc) provided by switchable dynamic metal sites
Communication

Macroporous SnO2/MoS2 inverse opal hierarchitecture for highly efficient trace NO2 gas sensing

A macroporous SnO2/MoS2 inverse opal hierarchitecture has been synthesized via a self-assembled colloidal template method and hydrothermal treatment, demonstrating highly sensitive and selective sensing properties towards trace NO2 detection.

Graphical abstract: Macroporous SnO2/MoS2 inverse opal hierarchitecture for highly efficient trace NO2 gas sensing
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Directed C8–H allylation of quinoline N-oxides with vinylcyclopropanes via sequential C–H/C–C activation

The Rh(III)-catalyzed C8-selective allylation of quinoline N-oxides has been achieved with vinylcyclopropanes as the allyl source with an excellent (E)-diastereocontrol at room temperature via sequential C–H and C–C activation.

Graphical abstract: Directed C8–H allylation of quinoline N-oxides with vinylcyclopropanes via sequential C–H/C–C activation
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Observing hydrogen sulfide in the endoplasmic reticulum of cancer cells and zebrafish by using an activity-based fluorescent probe

Hydrogen sulfide (H2S) in the endoplasmic reticulum of living systems could be imaged using probe ER-Nap-NBD.

Graphical abstract: Observing hydrogen sulfide in the endoplasmic reticulum of cancer cells and zebrafish by using an activity-based fluorescent probe
From the themed collection: Chemosensors and Molecular Logic
Communication

An indolo[3,2,1-jk]carbazole-fused multiple resonance-induced thermally activated delayed fluorescence emitter for an efficient narrowband OLED

An efficient indolo[3,2,1-jk]carbazole-fused MR-TADF emitter with a B/N skeleton exhibits a considerable reverse intersystem crossing rate and the corresponding organic light-emitting diode displays an external quantum efficiency of 27.2% with suppressed efficiency roll-off.

Graphical abstract: An indolo[3,2,1-jk]carbazole-fused multiple resonance-induced thermally activated delayed fluorescence emitter for an efficient narrowband OLED
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

B(C6F5)3-catalyzed cyclopropanation of 3-alkenyl-oxindoles with diazomethanes

B(C6F5)3 catalyzed cyclopropanation of 3-alkenyl-oxindoles with diazomethanes to form 25 spirocyclopropane-oxindole derivatives in good to excellent yields (up to 99%) and high diastereoselectivities (up to 20 : 1 d.r.) under mild reaction conditions.

Graphical abstract: B(C6F5)3-catalyzed cyclopropanation of 3-alkenyl-oxindoles with diazomethanes
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Defect engineering of molybdenum disulfide nanosheets boosting super Zn2+ storage from polyaniline intercalation

Layer structured MoS2 with intercalation of polyaniline and crystal defects was prepared, which delivers high reversible capacity and excellent cycle stability, including 77.8 mA h g−1 at 1 A g−1 and near 100% retention rate after 750 cycles.

Graphical abstract: Defect engineering of molybdenum disulfide nanosheets boosting super Zn2+ storage from polyaniline intercalation
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Iridium-incorporated Co3O4 with lattice expansion for energy-efficient green hydrogen production coupled with glycerol valorization

Incorporation of Ir cations into Co3O4 could cause a lattice expansion effect and thus promote both the hydrogen evolution reaction and the glycerol oxidation reaction.

Graphical abstract: Iridium-incorporated Co3O4 with lattice expansion for energy-efficient green hydrogen production coupled with glycerol valorization
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

High-efficiency electroreduction of nitrite to ammonia on a Cu@TiO2 nanobelt array

A Cu nanoparticle-decorated TiO2 nanobelt array on a titanium plate acts as a catalyst for NH3 electrosynthesis via NO2 reduction, attaining an NH3 yield of 760.5 μmol h−1 cm−2 (237.7 μmol h−1 mgcat.−1) and a high Faradaic efficiency of 95.3%.

Graphical abstract: High-efficiency electroreduction of nitrite to ammonia on a Cu@TiO2 nanobelt array
From the themed collection: ChemComm Most Popular 2023 Articles
Communication

Palladium-catalyzed asymmetric [4+2] annulation of vinyl benzoxazinanones with pyrazolone 4,5-diones to access spirobenzoxazine frameworks

A palladium-catalyzed general synthetic strategy to access an attractive and decorated set of spirooxazinane skeletons was successfully achieved using vinyl benzoxazinanone derivatives and ketones.

Graphical abstract: Palladium-catalyzed asymmetric [4+2] annulation of vinyl benzoxazinanones with pyrazolone 4,5-diones to access spirobenzoxazine frameworks
From the themed collection: ChemComm Most Popular 2023 Articles
60 items

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Showcasing some of the most cited and most accessed articles published in ChemComm during 2023.

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