Electrochemiluminescence (ECL) has emerged as a powerful analytical tool owing to its low background, high sensitivity, and wide dynamic range. Luminol, a commonly used ECL emitter, is widely applied in ECL-based analysis due to its low triggering potential, cost-effectiveness, and low toxicity. Despite the significant advantages of the luminol ECL system, its relatively low luminescence efficiency

We report a facile method for the functionalization of 1,3-diazaazulene core at C4, C6 and C8 positions via regioselective bromination and subsequent substitution with amine nucleophiles. Both steps can be controlled to enable selective mono-, di- or trisubstitution at C4, C6 or C8. Crystallographic studies revealed significant distortion from planarity in the aromatic core of the highly substituted

The hydroxylated derivative of stearic acid, 12-hydroxy stearic acid (12-HSA), is derived from castor oil and possess unique chemical structure that renders it noteworthy in the field of cosmetics and medicine. Being derived from renewable sources, it aligns with the growing demand for sustainable and eco-friendly material. While the gelation properties of 12-HSA are known, its chiroptical properties

Interest in aluminium(I) complexes has surged in recent decades due to the unusual role of electropositive aluminium as donor atoms in ligands. Numerous Al(I) complexes, which were previously considered too unstable, have been isolated. Among these, β-diketiminate aluminium(I) complex, NacNacAl(I), stands out for its unique reactivities including oxidative addition and π-bond activation. However, the

Copper(I), as a d10 metal, is a promising affordable non-critical raw material finding great interest for the development of photoluminescent materials. Halide and thiolatebased copper(I) compounds are known for their efficient emission and good stability. In order to rationalize the effect of these two anions in the structure and photoemission of Cu(I) compounds, two new families of coordination polymers

High-entropy nitrides (HENs) are emerging as promising electrocatalysts due to their diverse elemental composition, tunable electrochemical properties, and a wide range of active sites that enhance adsorption and oxidation reactions. However, the unclear role of entropy has limited their full potential in electrocatalysis. In this study, we introduce a novel and straightforward method for synthesizing

The self-assemblies of red-light switchable, functionalised ortho-difluoroazobenzene isomers E-/Z-A with aliphatic diamines exhibit an alternating match/mismatch behaviour depending on the diamine’s chain length. While even-numbered diamines exclusively form imine macrocycles with the Z-configured azobenzene isomer, odd-numbered diamines form photoswitchable, defined macrocycles. The formation of Z

An unprecedented thermodynamically unfavorable (4+1) deysmmetrizing spiroannulation through a thermodynamic enolate intermediate, enabling a single step synthesis of ubiquitous scaffolds such as all carbon chiral spirocycles, is disclosed. In this spiroannulation, we present a vinylogous organocatalytic enantioselective desymmetrizing (4+1) cycloaddition approach involving alkylidene malononitrile

The conversion of CO2 and epoxides into cyclic carbonates represents a promising strategy for CO2 utilization and valorization, with applications spanning pharmaceuticals, agrochemicals, polymer manufacturing, and energy storage. This concept article provides a concise perspective on the advancements in CO2 cycloaddition reactions catalyzed by single-atom catalysts (SACs), encompassing photocatalysis

In this study, we explore the cobalt-mediated α-activation of ketones within modified porphyrin macrocycles, focusing on the arylation processes and the influence of macrocyclic confinement on keto-enol tautomerism. The activation of ketones such as acetone, butanone, 3-pentanone, and acetophenone and their possible transfer from a cobalt centre on the carbaporphyrin fragment results in the formation

The escalating concerns over climate change and environmental pollution have intensified the pursuit for sustainable solutions to mitigate CO2 emissions, with the electrochemical CO2 reduction reaction (CO2RR) emerging as a promising strategy to convert CO2 into valuable chemicals and fuels. Central to this process is the development of efficient electrocatalysts, where Cu-based catalysts have garnered

The development of new chiral ligands has always been a significant research topic in the field of asymmetric synthesis. This paper reports a novel chiral NPN ligand (termed Xia-Phos) derived from the modification of Ming-Phos. This series of ligands possess advantages such as easy synthesis and convenient modification. Moreover, they exhibit excellent enantioselectivity in gold(I)-catalyzed asymmetric

The development of hierarchical heterostructured materials for sodium‐ion batteries (SIBs) remains hindered by suboptimal high‐rate cycling performance, primarily due to phase interface pulverization and separation during charge‐discharge processes. To address these challenges, we designed a carbon‐free hierarchical structure comprising few‐layered MoS₂ nanosheets and MoO₂ nanocrystals through precise

Coordination bonds are generally stronger than halogen bonds; however, the Jahn‐Teller effect in d⁹ Cu(II) and the trans influence of the oxo‐ligand in vanadyl (V=O) acetylacetonates can weaken N→Cu/V bonds, bringing them closer to the upper range of halogen bond strength. The study investigates the interactions between transition metal acetylacetonate complexes, M(acac)2(L) (M = Cu(II), V(IV)=O; L

Zintl phases are excellent precursors for nine atom [E9]4‐ clusters, which are readily accessible by dissolution of A4E9 phases (A = Na‐Rb; E = Ge‐ Pb) in ethylenediamine (en). In contrast, the binary alkali‐metal tetrel phases of composition A4E4 are insoluble in en. Furthermore, Li cations are rarely investigated as counterions for tetrel element Zintl clusters. We report here that K4E4 comprising

The emergence of optically active functional compounds through spontaneous chiral symmetry breaking is a rare but intriguing phenomenon, with relevance of both practical and fundamental interest. Here we show that a racemic Eu‐Al compound, bearing only non‐chiral ligands, forms a conglomerate upon crystallization. Single crystals of the compound are ECD and CPL active. Moreover, we found that a significant

Molybdenum disulfide (i.e., MoS2), while promising as an anode for alkali‐ion batteries, faces critical challenges including structural degradation and sluggish ion diffusion kinetics in practical applications. Herein, MoS2 nanosheets anchored on a carbon framework (i.e., CF@MoS2) through C‐S bond were successfully synthesized, in which the three‐dimensional carbon framework was synthesized using tellurium

Pursuing practical, straightforward, and sustainable methods for forming carbon‐phosphorus bonds is crucial in academia and industry. In this study, we showed that bis(diiminate) based magnesium complexes [L(Mg‐nBu)2] (nBu = n‐butyl) could effectively catalyse the hydrophosphanylation of alkynes resulting in monophosphanylated vinyledene‐ and 1,2‐diphosphanylated alkanes in a stepwise manner. This

The reaction of cyclo‐(P3tBu3) with CuI and AgI salts led to the di‐ and tetranuclear complexes [Cun(μ‐Br)n{μ‐cyclo‐(P3tBu3)‐κP1,κP2}2] with n = 2 (1) and n = 4 (2) and [Agn(OTf)n(CH3CN)n–2{μ‐cyclo‐(P3tBu3)‐κP1,κP2}2] with n = 2 (4) and n = 4 (5). Complexes 1, 2, 4 and 5 were isolated as crystalline powders or single crystals and characterised by X‐ray diffraction. In solution, these complexes exhibit

Photocatalysis emerges as an efficient and versatile tool for the preparation of organic compounds via development of new methodologies and new photosensitizers. Mostly UV and blue light irradiation are used for such reactions. Red light is low energy light, it is less harmful and has more penetration depth. Hence red light driven photocatalysis would be more suitable for preparing value added products

New TiNiSi‐type compounds ALiAu (A = Ca, Sr, Ba, Eu, Yb) were obtained in the form of mm‐sized single crystals by high‐temperature centrifugation‐aided filtration (HTCAF) from lithium melt. They are the first examples of TiNiSi‐type representatives containing Li and a transition metal. The metallic phases show paramagnetic (Ca) or diamagnetic (Sr, Ba, Yb) behavior or antiferromagnetic ordering below

The presence of water in nonaqueous deep eutectic solvent (DES) electrolytes has been debated in recent years, with efforts ranging from its complete removal to willful addition. It was shown that controlled amounts of water can be beneficial, as it not only enhances the physicochemical properties of these electrolytes but also has no significant detrimental effect on their electrochemical stability

Lansai B is an indole alkaloid whose biosynthesis is not yet elucidated. However, utilizing nature’s tools enabled the stereoselective formation of this unique framework, first by providing the substituted tryptophan as starting material and later in the scaffold‐building step forming the pyrroloindole motif. For the latter the C3‐methyltransferase from Streptomyces griseoviridis (SgMT) is employed

The excited state proton transfer (ESPT), a fundamental reaction in chemical and biological systems, is known for its diverse applications. Recent developments in these reactions have examined excited‐state multiple proton transfer (ESMPT) involving two or more protons via inter‐/intra‐molecular mode. This work reports the proton transfer ability of a β‐carboline probe, TrySPy, bearing dual intramolecular

We report the synthesis of β,β‐dinaphthyl amino acids by directed CH‐activation and their subsequent utilization in peptides. The synthesis of aromatic β‐branched amino acids is limited by sterical crowding for large aromatic ring systems. The amino acids are transformed into adequately protected building blocks for solid phase peptide synthesis by using our amide weakening strategy. Our aim was to

Surface ligands play a pivotal role in the functional design of atomically precise Cu(I) nanoclusters. They act as protective agents, ensuring the stability of the Cu(I) clusters, while also influencing their structure and properties. This study delves into the synthesis, structure, and properties of innovative Cu(I) nanoclusters co‐stabilized by carboxylic acid and alkynyl ligands. The findings reveal

One‐step CH4 purification from C2‐hydrocarbons and CO2 gas impurities is essential in the quest for clean energy resources amidst the growing energy crisis. While MOF materials have demonstrated significant progress in binary C2H2/CH4, C2H4/CH4, C2H6/CH4, and CO2/CH4 separations, there is a growing emphasis on purification of CH4 from multicomponent gas mixtures using a single adsorbent. Toward this

The environmental persistence and widespread application of conventional polymer adhesives raise critical concerns regarding network design complexity and long‐term residue accumulation. Herein, we present a water‐soluble supramolecular adhesive synthesized from natural small molecules. Unlike traditional polymer networks relying on weak intermolecular forces, this system establishes a robust ordered

We describe the synthesis and self‐assembly properties of two sugar‐derived surfactants constructed by click reaction from readily accessible building blocks. After structural characterization, their self‐assembly processes were studied in two biocompatible solvents, isopropyl myristate (IPM) and methyl laurate (ML), as well as in toluene. Detailed experiments by Dynamic Light Scattering (DLS) and

Electron‐deficient heptazine‐based molecular and polymeric materials are a fast‐growing area of research with their exciting electronic and optical properties, finding potential applications in catalysis, optoelectronics, etc. However, the continuous thirst for the design of heptazine‐core‐based molecular systems has grown in interest in the search for a new class of materials. Herein, we have synthesized

Amino‐modifiers are pivotal chemical modifications in nucleic acid scaffolds, serving applications ranging from (bio)conjugation to probing the origins of life. We report a simple, efficient, and cost‐effective methodology for the introduction of amino‐modifiers into DNA and RNA. This approach leverages a commercially available sulfonyl‐containing solid support, which is first converted into a mixed

Transition metal oxynitrides, with their unique electronic structures and excellent conductivity, hold significant promise as anode materials in fuel cells. In this study, we synthesized and characterized two novel anion‐deficient transition metal oxynitrides: Ca4La8V4O8N12 and Sr3La9V4O7N13. Their crystal structures were determined via Rietveld refinement of X‐ray and neutron diffraction data, revealing

In this study, we demonstrate that varying the initial concentration of the poly‐[bis(trifluoroethoxy)phosphazene]‐bpoly(styrene) (PTFEP55‐b‐PS50) block copolymer enables the formation of diverse, well‐defined nanomorphologies through selfassembly in tetrahydrofuran. By adjusting the copolymer concentration, spherical micelles (0.1 mg/mL), bicontinuous micelles (0.33 mg/mL), toroidal micelles (2.0

This study introduces a novel single‐step sonochemical synthesis method for producing pure ZnS and CuSe. Moreover, it offers a comprehensive first‐time report on the fabrication of ZnS‐CuSe nanocomposites with varying compositions via using a wet‐chemical method. Comprehensive characterization was conducted to assess the material's phase purity, structure integrity, composition, detection of free radicals

The dinuclear title compound [(Cp2Zr)2(µ‐Me)(µ‐C2Ph)] 5 was prepared from a zirconocene alkynyl methyl complex and Rosenthal’s zirconocene source [Cp2Zr(py)(h2‐Me3SiC2SiMe3)] in a formal comproportionation reaction. This complex shows catalytic activity for the dehydrocoupling of amine boranes, with a dinuclear hydride‐bridged alkynyl complex 6 being formed as a catalytically relevant species. The

Reactions of lanthanoid species with carbodiimides show considerable variety. Thus, treatment of the divalent 2,6‐di‐tert‐butyl‐4‐ethylphenolatosamarium complex, [Sm(OArEt)2(thf)3] with N,N'‐diisopropylcarbodiimide (iPrNCNiPr) resulted in the formation of the oxalamidinatosamarium(III) complex [(OArEt)₂Sm(μ‐C₂N₄iPr₄)Sm(OArEt)₂]·2PhMe (1). In contrast, the use of the bulkier N,N'‐dicyclohexylcarbodiimide

To model the first propagation step in the anionic polymerization of MesP=CPh2 we studied the addition of Li[MesP(Bu)–CPh2] (and related species) to nonpolymerizable H2C=CPh2. Addition proceeds via the o‐CH3 of the P‐Mes followed by unprecedented cyclization to C5P‐rings with release of Li[CHPh2]. Further investigation of the aforementioned reaction using phosphalkenes, RP=CAr2 (R = Mes, o‐Xyl; R’

Fluorine has become an essential element in the development of modern pharmaceuticals, due to its unique chemical properties which can significantly enhance the biological activity, metabolic stability, and lipophilicity of drug molecules. This review explores recent advancements in the synthesis and application of fluorine‐containing drugs approved by the US Food and Drug Administration (FDA) in 2024

Herein, we report an AgNO3 and FeCl3 relay‐catalyzed halogenation and electrophilic selenium cyclization reaction. This reaction is based on the trifunctionalization of terminal alkynols using NBS and diorganyl diselenides, providing a step‐efficient synthetic approach to produce halogenated selenonaphthalene derivatives in good yields. Furthermore, the halochalcogenation and cyclization reaction offers

To meet the challenges of the energy sector adaptation of novel electrode materials is urgently needed. Pseudocapacitors are electrochemical energy storage devices and are utilized to fulfill the growing demand of the society. In this connection, donor‐acceptor commands are attractive alternatives to inorganic materials die to their optoelectronic properties. Herein, a triphenylamine‐anthraquinone

This study reports a series of novel heterocyclic hemiindigos (Het‐HI) synthesised via the condensation of indoxyl acetate with various heteroaromatic aldehydes. The influence of electron‐rich and electron‐poor heterocycles on the photochemical and photophysical properties of these compounds have been investigated. Our findings reveal that several Het‐HIs exhibit noteworthy photoswitching behaviour

Crystalline layered silicates are valuable precursors for the synthesis of functional siloxane‐based nanomaterials. In this study, vinyl‐terminated oligodimethylsiloxane was grafted onto the interlayer surfaces of a crystalline layered silicate, octosilicate. The oligosiloxane modification facilitated the delamination of the layers in hydrophobic organic solvents. Hydrosilylation reactions between

Nucleoside 5’‐carboxylic acids are important synthetic targets, but most existing methods to access these compounds use (super)stoichiometric chemical oxidants to oxidize the primary alcohol. The present study introduces an aminoxyl‐mediated electrochemical method for oxidation of nucleosides and ribosugars to afford their 5’‐carboxylic acid derivatives. The optimized conditions employ 4‐acetamido‐2

The fluorescence tuning of stimuli responsive materials is crucial but challenging, the deep understanding of thermal induced fluorescence change, however, has rarely been conducted. Herein, The thermochromic emission of a triphenylamine (TPA) derivative (1), with one acetyl and two 1‐hydroxy‐1‐methylethyl units on each o‐phenyl group around the nitrogen, has been investigated. Upon heating, the bright

Emerging technologies are expected to contribute to sustainable development, but assessing their future environmental impacts compared to current technologies remains challenging. Prospective Life Cycle Assessment (pLCA) provides a systematic approach to evaluating emerging technologies throughout their life cycle and projecting impacts at future industrial scales. This review aims to identify critical

Chiral molecules are particularly interesting to the pharmaceutical and agrochemical sectors due to their chemical and physical properties. Separation and identification of enantiomers are critical for a broad range of compounds, and discriminating stereoisomers in solution remains a key analytical challenge. Nuclear Magnetic Resonance (NMR) with Matrix‐Assisted Diffusion‐Ordered Spectroscopy (MAD)

Glycans are biologically important molecules that are difficult to synthesize and analyze due to their structural diversity and conformational flexibility. Stereoselective glycosylation reactions are key to achieving high‐yielding glycan syntheses. The stereochemical outcome of glycosylations is significantly influenced by factors such as the choice of activator and leaving group systems, solvent type

The in‐situ Grignard addition method (iGAM) adds intermediately prepared organo alkaline‐earth metal halides onto a suitable substrate. Here, freshly rasped calcium and the carbodiimide R’‐N=C=N‐R’ (R’ = SiMe3, iPr) are suspended in THF at room temperature and then an organyl halide R‐X (X = Br, I) is added. Within several hours, intermediately formed R‐Ca‐X adds onto the carbodiimide yielding the