Themed collection 15th anniversary: Chemical Science community collection

Seven [Fe(L^R)₂]²⁺ (L^R = 2-{pyrazolyl}-6-{4-R-pyrazolyl}pyridine) salts are isomorphous, with substituents disordered around the complex, but show a variety of thermal spin-transition behaviors.

A visible light-activated HAT process combined with copper catalysis enables enantioselective allylic and propargylic C–H amination, converting open-chain alkenes and alkynes into chiral amines with high enantio-, regio-, and E/Z-selectivity.

Cationic hydrocarbon nanobelts were synthesized via the chemical oxidation of methylene-bridged [6]cycloparaphenylene ([6]MCPP). These species turned out to be remarkably stable in air, which enabled to uncover their unique properties.

Utilizing the newly identified M.MedI-N377K methyltransferase, we developed a novel method of CMD-seq for the stoichiometric detection of 5mC in DNA at single-nucleotide resolution.

Accelerated synthesis of heterocycles such as iminoboronates, boroxines, thiazolidines, and diazaborines using the reaction between boronic acid and amines in microdroplets.

An evolved designer enzyme featuring genetically encoded 3-aminotyrosine (aY) as catalytic residue promotes highly enantioselective Friedel–Crafts alkylations, is enantiocomplementary to a prior design, and enables whole-cell biocatalysis.

Magnetic-conductive AFM reveals that self-assembled bowl-shaped aromatics function as molecular spin filters.

Fabrication of multifunctional cerium-based nanozymes as moonlighting protein mimics for atherosclerosis diagnosis and therapy.

By harnessing the properties of two engineered deaminases, A3A-RL and ABE8e, we developed a novel DNA mutagenesis approach called DRM. DRM allows for the creation of diverse DNA mutation types in a single round of mutagenesis.

Boron-embedded π-conjugated molecules with intramolecular sulfur coordination exhibit B–S bond dissociation not only thermally in the ground state but also upon light irradiation, resulting in intriguing photoluminescence properties.

A regioselective sulfoniumization of polycyclic aromatic hydrocarbons is described. The obtained sulfonium-salts, soluble in organic and water media, are employed in post-functionalizations, π-extension, and mitochondria-selective bio-imaging.

GPT-based generative modeling of MD trajectories enables efficient prediction of state transitions by capturing long-range correlations, offering accurate kinetic and thermodynamic forecasts for diverse physicochemical systems.

Methanol serves as the primary transport intermediate between metal oxides and zeolites, while ketene acts as the dominant intermediate for ethene formation in the OX–ZEO system.

An externally exposed V dopant imposes H-atom uptake at the polyoxotungstate surface and dictates the proton–coupled electron transfer mechanism.

Rhodium–organic cuboctahedra were polymerized into colloidal gels bearing coordination and covalent crosslinks with orthogonal stimuli responses, providing porous materials with reversibly tunable mechanical properties.

This study presents a solid-state nanopore approach for single-molecule protein detection from single cells, utilizing a nanopore electrophoretic driver protein to enhance target protein capture efficiency and analyze protein conformational changes.

In recent years, pollution from plastic waste has intensified the demand for sustainable polymers.

A chiral nickel(II) complex catalyzed desymmetrizing carbonyl–ene reaction of bis(methallyl)silanes with α-keto aldehyde monohydrates was realized, enabling the synthesis of chiral δ-hydroxy silanes featuring 1,5-remote Si- and C-stereocenters.

Ultrafast 2D-IR spectroscopy of clinical blood serum samples combined with Machine Learning shows the ability to detect risk of melanoma relapse.

Generation of structural analogs to “parent” molecule(s) of interest remains one of the important elements of drug development.

The incorporation of ylide substituents into acyclic aminosilylenes leads to enhanced donor abilities, enabling the isolation of a remarkably stable silanone and compounds with extended π-conjugated units.

Green-emitting N,B,S-doped double helicene which was prepared via straightforward four-steps route possesses |g_lum| = 1.32 × 10⁻³.

We report a nickel-catalyzed cascade reaction leading to the arylation of an alkyne-induced acyl migration and the formation of all-carbon tetra-substituted alkenes in good yields with exclusive Z-selectivity.

Bifunctional additives synergistically drive quaternization and protonation, tuning block copolymer emulsion interfaces to increase hydrophilicity and electrostatic repulsion, enabling one-pot synthesis of disc and Janus cup particles.

Computational screening of a 100-tripeptide nanoparticle library ranked the nanoparticles according to their affinity for the neuroblastoma biomarker 3-methoxytyramine (3-MT). Synthesis and testing confirmed their ability to detect 3-MT at 25 μM.

A single-molecular emitter Yn was developed, exhibiting aqueous tunable up-conversion RTP/fluorescence dual emission and excellent biocompatibility for two-photon and time-resolved imaging and ratiometric temperature sensing.

glycoPATH integrates RNAseq transcriptomic and LC-MS/MS glycomic data, providing a platform to identify genes implicated in diseases involving N-glycan biosynthesis and enabling the development of targeted therapeutics for these pathways.

Multifaceted reactions of boradigermaallyl with unsaturated organic molecules are presented. CH activation is suppressed by CO borane adduct formation and subsequent CO insertion results in an α,β-unsaturated acylboron compound.

Insight into the detailed bulk and surface structure of γ-Al₂O₃ is provided by a NMR crystallographic approach, exploiting isotopic enrichment, multinuclear experimental measurements and periodic calculations.

New approaches to prepare rarer emitters such as those that are deep-blue are needed to advance OLED technologies.

Umpolung of the typical p-type TPA into n-type ATTO contributes to the COF electrode with a remarkable cathodic capacity of 286.31 mA h g⁻¹ at a current density of 0.1 A g⁻¹ in SIBs.

We introduce graphendofullerene, a novel molecular-based 2D magnetic material formed by trimetallic nitride clusters encapsulated on graphullerene, paving the way for a wide range of possibilities due to the host capabilities of fullerene.

Diastereoselective 1,3-nitrooxygenation of bicyclo[1.1.0]butanes with tert-butylnitrite and TEMPO to access 1,1,3-trisubstituted cyclobutanes is reported.

Vacuum infiltration of nanoparticles into soybean seeds can promote crop health and yields while reducing environmental impact.

Kinetic modeling shows that the gas–liquid interface influences product yields from the ozone oxidation of thiosulfate in microdroplets. This affects the average sulfur oxidation state after reaction, which may impact global atmospheric chemistry.

Polymerization-induced self-assembly (PISA) is leveraged for the synthesis of ultra-high molecular weight polymers in concentrated but free-flowing dispersions.

Hydrogels with Pd_nL_2n-type junctions can be obtained by photoinitiated copolymerization of palladium cages with acrylamide monomers in water. The dynamic nature of the cage crosslinks allows for an anion-induced switch in network topology.

Using a novel (PPP) pincer ligand that features a central π-accepting N-heterocyclic trifluoromethyl phosphine fragment, a highly active air-stable cobalt precatalyst for the anti-Markovnikov hydroboration of alkenes is reported.

The choice of the linker significantly influences dimensionality, active site preference and catalytic activity across five Ag₁₂ cluster assemblies.

A systematic investigation is carried out for the lowest-lying triplet state of neutral and charged [N]annulenes with N = 12–66. Our aromatic stabilization energies prove that energetic (de)stabilization is important only for small annulenes.

We report here a metal-free, redox-neutral photocatalytic strategy of SO₂ gas functionalization resulting in the one-pot synthesis of sulfonamides, sulfonate esters, and thiosulfonates through a photoexcited phenalenyl (PLY) ligand.

The introduction of optimized [4-HP/4-H₂P]⁺ cationic dimer pairs, instead of single monovalent [4-AP]⁺ cations, enhances birefringence by increasing the density of cationic layers and improving the alignment of anionic [3-pySO₃]⁻ groups.

A new class of mercapto-NSAIDs that generate persulfide, H₂S, and the NSAID is reported.

The energy gaps between “forbidden” and “allowed” mechanisms of routine electrocyclic reactions can be negligibly small.

While the quantum yields of photosensitiser-derived one-electron-reduced species (OERS) significantly impact the overall efficiencies of various redox-photosensitised photocatalytic reactions, the primary factors that influence them remained unclear.

The OMA-seq method allows for accurate and quantitative detection of 5hmC at single-nucleotide resolution by leveraging natural deaminases. The use of orthologous enzymes for 5hmC detection enhances the toolkit available for epigenetic study.

A simple and effective iterative strategy towards previously unknown unsaturated polyacetals enabled the exploration of an alkene isomerization-domino-Coates–Claisen rearrangement sequence, globally transforming the iteratively assembled backbone.

A stereoselective strategy to make C–N atropisomeric amides based on intramolecular acyl transfer via a tethered Lewis basic pyridine or tertiary amine group is reported.

Labile RAFT end-groups are crucial for poly(methacrylate) depolymerization. Electron-donating Z-groups improve monomer recovery at lower temperatures, while electron-withdrawing groups provide molecular weight control during depolymerization.

We show that fluorobenzene-bound dicationic lanthanide complexes containing a single anionic ligand can show interesting single-molecule magnet properties, and can be useful starting materials to heteroleptic complexes containing bulky ligands.

A photochemical method for synthesizing 3,3-disubstituted 2,4-chromandiones is disclosed. Deprotonated 4-hydroxycoumarins, upon purple-light excitation, act as SET reductants, generating radicals to incorporate alkyl or perfluoroalkyl groups into chromanone scaffolds.