Themed collection Chemical Communications HOT Articles 2023
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.
Lanthanide-directed metal–organic coordination networks
2D metal–organic networks on solid substrates are promising materials for sensing, catalysis, and nanomagnetism. This article reviews lanthanide metal–organic coordination networks, focusing on their structure, electronic and magnetic properties.
Gold-based enantioselective bimetallic catalysis
Multimetallic catalysis is a powerful strategy to access complex molecular scaffolds efficiently from easily available starting materials.
CO2 electrolysis towards large scale operation: rational catalyst and electrolyte design for efficient flow-cell
Possible ways to scale-up electrochemical CO2 reduction reaction (CO2RR), and what are the promising and gap areas in CO2RR are emphasized in the current manuscript, while addressing the carbon neutral economy.
Structural authentication of intermediates of mechanistic significance in palladium- and nickel-catalysed cross-couplings: case studies
This Highlight examines key strategies that have enabled the structural authentication of important species that shed light on fundamental on-cycle intermediates in transition-metal-catalysed cross-couplings.
Recent developments in nickel-catalyzed asymmetric cyclization and cycloaddition of carbonyl-alkynes, cyano-alkynes, and enynes
This Highlight overviews recent advancements in the past eight years (since 2015) in nickel-catalyzed asymmetric cyclization and cycloaddition of alkynes with unsaturated functional groups.
Electrochemical generation and utilization of alkoxy radicals
This highlight summarises electrochemical approaches for the generation and utilization of alkoxy radicals, predominantly focusing on recent advances (2012–present).
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.
Synthesis without solvent: consequences for mechanochemical reactivity
Solution-based reactions are a staple of synthetic chemistry—but what happens mechanochemically, when there is no solvent?
Recent advancements in the use of Bobbitt's salt and 4-acetamidoTEMPO
This feature article provides a comprehensive overview of recent developments and applications of Bobbitt's salt and 4-acetamidoTEMPO in organic synthesis and fields beyond.
Emerging sensing platforms based on Cucurbit[n]urils functionalized gold nanoparticles and electrodes
Recent applications of organic cages in sensing and separation processes in solution
Cages at work: structural tunability results in tailored properties, which makes these systems suitable for countless applications in sensing and separation processes, both in solution and the solid state.
Optoelectronic materials as emerging photocatalysts: opportunities in sustainable organic synthesis
This feature article describes recent examples of the implementation of two types of organic electronic materials including phenothiazine and truxene in heterogeneous photocatalysis for organic synthesis.
Dual reactivity based dynamic covalent chemistry: mechanisms and applications
Dual reactivity based dynamic covalent chemistry was developed via activating/switching the reaction pathways of ring-chain tautomers toward diverse reversible systems. The underlying mechanistic insights and versatile applications are summarized.
Functional silicone oils and elastomers: new routes lead to new properties
Simple organic chemistry can be used to introduce, into silicone elastomers, organic/natural materials that deliver functionality in the form of new, useful properties including enhanced sustainability.
Progress in controllable bioorthogonal catalysis for prodrug activation
This Feature Article summarizes the recent progress in prodrug activation mediated by controllable bioorthogonal catalysis.
Main group elements in electrochemical hydrogen evolution and carbon dioxide reduction
Main group elements are promising for developing electrochemical H2 production or CO2 reduction catalysts.
Mechanism to model: a physical organic chemistry approach to reaction prediction
Combining a working knowledge of reaction mechanism with statistical modelling is a powerful approach to prediction.
A fresh perspective on metal ammonia molecular complexes and expanded metals: opportunities in catalysis and quantum information
Recent advances in understanding the electronic structure of metal ammonia complexes enable development of novel materials with diffuse electrons and catalytic applications.
Pyramidanes: newcomers to the anti-van’t Hoff–Le Bel family
Latest advances in the chemistry of pyramidanes, a novel type of the polyhedral clusters featuring main group element at the inverted tetrahedral apical position, are overviewed, highlighting their synthetic strategies and specific reactivity.
C–H modification of natural products: a minimalist enabling tactic for drug discovery, API processing and bioconjugation
Examples of C–H modification of natural products as a minimalist enabling tactic to improve pharmacophysical properties are overviewed.
Cloneable inorganic nanoparticles
When a defined protein/peptide (or combinations thereof) control and define the synthesis of an inorganic nanoparticle, the result is a cloneable NanoParticle (cNP).
α-Diazo-λ3-iodanes and α-diazo sulfonium salts: the umpolung of diazo compounds
This article reviews the strategies available to achieve the umpolung of diazocompounds and the synthetic applications of such compounds.
Plasmonic nanomaterials for solar-driven photocatalysis
To delineate the state-of-the-art, we provide a critical assessment of the recent works by our and other groups concerning plasmonic photocatalysis, which is expected to guide future research in plasmon-enhanced value-added chemical transformations.
Targeting membrane-bound bacterial cell wall precursors: a tried and true antibiotic strategy in nature and the clinic
The bacterial cell wall is assembled via a coordinated biosynthetic cycle employing various membrane-anchored precursors. Sequestration of these uniquely bacterial building blocks remains a highly effective antibiotic strategy.
From sandwich complexes to dendrimers: journey toward applications to sensing, molecular electronics, materials science, and biomedicine
Ferrocene is precursor of [FeCp(arene)]n+ (n = 0–2), redox and electrocatalysts and motifs generating dendrimer cores upon multiple C–C bond formations. Dendrimer functionalization including with ferrocene led to numerous properties and applications.
Reaction mechanism – explored with the unified reaction valley approach
One of the ultimate goals of chemistry is to understand and manipulate chemical reactions, which implies the ability to monitor the reaction and its underlying mechanism at an atomic scale.
Machine learning and analytical methods for single-molecule conductance measurements
Single-molecule measurements provide a large amount of conductance data that varies over a wide range. We reviewed the development of machine learning-based analysis for reliable single-molecule measurement.
Quantitative NMR spectroscopy of complex mixtures
The latest developments and applications in highly accurate quantitative NMR of complex mixtures.
Insights into desalination battery concepts: current challenges and future perspectives
Water plays an essential role in the development of society.
Recent advances in magnetism of graphene from 0D to 2D
This article reviews the recent progress of magnetic research of graphene in different dimensions under various of regulatory techniques.
Frontiers in 19F-MR imaging: nanofluorides and 19F-CEST as novel extensions to the 19F-MRI toolbox
Fluorine-containing materials have enriched the field of molecular and cellular MRI with unambiguous and quantitative detection capabilities.
Design and bioanalytical applications of stochastic DNA walkers
Synthetic DNA walkers that traverse stochastically on 2D and 3D tracks pave a promising way to design biosensors for diverse analytical applications.
Design principles for the synthesis of platinum–cobalt intermetallic nanoparticles for electrocatalytic applications
This Feature Article provides a brief review on the preparation of platinum–cobalt intermetallic nanostructures as electrocatalysts for oxygen reduction reaction in hydrogen-powered fuel cells, especially for improving the catalyst durability.
Opportunities and challenges in targeting orphan nuclear receptors
Nuclear receptor modulation enables pharmacological control of gene expression and holds great therapeutic potential. Chemical tools are lacking for many nuclear receptors but needed to reveal new therapeutic opportunities.
Incorporation and modification of fatty acids in cyanobacterial natural products biosynthesis
Cyanobacterial secondary metabolite biosynthesis often involves the use of a rich enzymatic arsenal for the incorporation and modification of fatty acid-derived moieties.
Effects of surface acidity on the structure of organometallics supported on oxide surfaces
Well-defined organometallic cations supported on high surface area oxides are promising heterogeneous catalysts.
Chemometers: an integrative tool for chemical assessment in multimedia environments
Chemometers, polymeric passive equilibrium samplers, are promising tools for environmental and human health assessment of a broad range of hydrophobic organic compounds and allow for direct comparison of chemical profiles and levels across media.
Rational design of atomic site catalysts for electrochemical CO2 reduction
This feature article summarizes the recent progress on the rational design of atomic site catalysts for electrochemical CO2 reduction.
Zr- and Ti-based metal–organic frameworks: synthesis, structures and catalytic applications
Summary of the synthesis, structures and catalytic applications of Zr- and Ti-based MOFs.
Plasmonic quenching and enhancement: metal–quantum dot nanohybrids for fluorescence biosensing
Plasmonic “Quenchancement”: in this feature article, we discuss the interplay of different quenching and enhancement mechanisms that influence the development of metal–quantum dot nanohybrid biosensors.
Wireless electrochemical actuation of soft materials towards chiral stimuli
The synergy between wireless unconventional actuation and chiral stimuli can be used as a straightforward read out of chiral information.
Recent advances in catalytic pnictogen bond forming reactions via dehydrocoupling and hydrofunctionalization
The metal–pnictogen bond has rich and varied reactivity. The differences and similarities down the group and impacts on catalytic reactions with these elements is explored in this Feature.
Graphene barristors for de novo optoelectronics
The progress and prospects in the field of multi-stimuli-responsive vertical Schottky-barrier transistor technology are reviewed.
The emerging chemistry of the aluminyl anion
The chemistry of aluminyl compounds has rapidly expanded since their discovery in 2018 and is evaluated in this summary.
Exact quantum dynamics developments for floppy molecular systems and complexes
Exact quantum dynamics developments make it possible to have a fundamentally correct and detailed description of quantum nuclear motions.
Redox-active polyimides for energy conversion and storage: from synthesis to application
This review covers redox-active polyimides in energy conversion and storage applications along with the recent progress in the synthetic methods and topological control used to produce polyimides.
Efficient End-Group Functionalization and Diblock Copolymer Synthesis via Au(III) Polymer Reagents
Quantitative separation of polystyrene nanoparticles in environmental matrices with picogram detection limits using capillary electrophoresis
Picogram quantities of polystyrene nanoparticles of varying size and surface functionality are separated in environmental matrices using capillary electrophoresis.
Accurate assessment of electrocatalytic carbon dioxide reduction products at industrial-level current density
The FE of CO2RR products seriously deviates from 100% due to the misjudgment of outlet flow at large current density. Several modified equations and calibration methods are recommended to establish benchmarks for CO2 reduction product assessment.
Accessing Ni(0) to Ni(IV) via Nickel-Carbon-Phosphorus Bond Reorganization
Kinetic enantio-recognition of chiral viologen guests by planar-chiral porphyrin cages
The enantio-kinetic threading of chiral guests by chiral porphyrin hosts is determined by the planar chirality of the host and influenced by the size but not the chirality of the substituent X.
Probing the magnetic and magneto-optical properties of a radical-bridged Tb4 single-molecule magnet
The presence of the 1,2,4,5-tetrazinyl radical (tz˙−) in a tetranuclear TbIII metallocence leads to strong magnetic coupling and slow magnetic relaxation. Magneto-optical studies complete the spectroscopical profile of this magnetic unity.
Seeking a Au–C stretch on gold nanoparticles with 13C-labeled N-heterocyclic carbenes
Gold nanoparticles were functionalized with natural abundance and 13C-labeled N-heterocyclic carbenes (NHCs) to investigate the Au–C stretch.
Transient absorption spectroscopy reveals that slow bimolecular recombination in SrTiO3 underpins its efficient photocatalytic performance
The charge carrier dynamics of SrTiO3 are measured on fast (ps–ns) timescales, to reveal remarkably slow bimolecular recombination compared to alternative metal oxides commonly employed in photocatalytic applications.
Regular arrays of C60-based molecular rotors mounted on the surface of tris(o-phenylenedioxy)cyclotriphosphazene nanocrystals
Dielectric spectroscopy has been used to determine the barriers of rotation of surface-mounted fullerenes (2.3 ± 0.1 and 4.3 ± 0.1 kcal mol−1).
An organic–inorganic hybrid material [Me3NCH2CH2F]FeBr4 exhibits three-step SHG on/off
A novel organic–inorganic hybrid material [Me3NCH2CH2F]FeBr4 (1) with a true three-step “on–off–on–off” SHG switch above room temperature is a rare nonlinear optical (NLO) material.
High-entropy wire-on-sheet nanoarray catalyst with boosted pre-oxidation for efficient oxygen evolution reaction
Herein, a septenary hydroxide nanoarray catalyst with a unique wire-on-sheet morphology and high-entropy feature was fabricated, which exhibits boosted pre-oxidation behavior and enhanced performance towards the oxygen evolution reaction.
Stabilizing a non-IPR C2(13333)-C74 cage with Lu2C2/Lu2O: the importance of encaged non-metallic elements
The importance of internal non-metallic elements in stabilizing metallofullerenes has been investigated through a comparative study of Lu2C2/Lu2O/Lu2@C2(13333)-C74.
pH-Triggered visual detection of Escherichia coli based on the co-assembly of bacitracin and thymolphthalein
pH-Triggered visual detection of bacteria was achieved based on a probe which was prepared by co-assembly of bacitracin and thymolphthalein.
Silver nanoparticle-decorated AlN whiskers hybrids for enhancing the thermal conductivity of nanofibrillated cellulose composite films
Aided by the synergistic effect of cross-linking AlNw and the “thermal conducting micro-bridges” of AgNPs, composite films with an extremely high in-plane thermal conductivity were prepared.
Deposition of a high entropy thin film by aerosol-assisted chemical vapor deposition
Herein we report for the first time the synthesis of a high entropy (CuZnCoInGa)S metal sulfide thin film deposited by AACVD using molecular precursors.
Activation of alkynes by chalcogen bonding: a Se⋯π interaction catalyzed intramolecular cyclization of 1,6-diynes
The activation of alkynes was achieved by Se⋯π bonding, enabling cyclization of 1,6-diynes to take place.
Swift C–C bond insertion by a 12-electron palladium(0) surrogate
The selective activation of C–C bonds holds vast promise for catalysis.
Octafluoronaphthalene as a thermal-annealing-free volatile solid additive enables high-performance organic solar cells
Power conversion efficiency of 18.59% from 17.27% has been achieved using thermal annealing-free solid additive octafluoronaphthalene-modified organic solar cells.
Continuous magnetic separation microfluidic chip for tumor cell in vivo detection
A continuous magnetic separation microfluidic chip and a single-cell array chip for high throughput continuous real-time monitoring of CTCs in vivo.
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.
Binding modes of high stoichiometry guest complexes with a Co8L12 cage uncovered by mass spectrometry
Internal and external binding modes of guests with a Co8L12 cage were uncovered by mass spectrometry.
Deamination-triggered exponential signal amplification for chemiluminescent detection of cytosine deaminase at the single-cell level
We construct a sensitive chemiluminescent biosensor for sensitive detection of cytosine deaminase APOBEC3A based on deamination-triggered exponential signal amplification.
Broadband red emission from one-dimensional hexamethonium lead bromide perovskitoid
A 1D (HM)Pb2Br6 based on hexamethonium has been developed for broadband red emission with a PLQY of 6.24%. Mechanistic investigations reveal that the red emission derives from the self-localized Pb23+, Pb3+ and Br2− species.
About this collection
This ongoing web-collection features the latest articles published in ChemComm that have been marked as HOT by our Editors and trusted Reviewers. Congratulations to all those featured!