Fachzeitschriften

Chemistry – A European Journal

Artikel

Characterization and In Vitro Behavior of PEO Coated Mg Modified with Antibacterial Ag(I) and Cu(II) Complexes

von Kseniya A. et al.

· 28.03.2024

Mg gained significant attention as a candidate for implant materials. However, its use is limited due to corrosion process and pathogens-associated complications. In this study, PEO coated Mg biomaterial loaded with antibacterial Ag(I) and Cu(II) co...

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Improved Interface Construction on Anode and Cathode for Na‐Ion Batteries Using Ultralow‐Concentration Electrolyte Containing Dual‐Additives

von Yilong Lin et al.

· 28.03.2024

Electrode/electrolyte interface built by the dual additives of NaDFOB and TMSB enables significant improvement on the cycling stability of hard carbon/NaNi_1/3Fe_1/3Mn_1/3O₂ cell. Abstract Compared with Li⁺, Na⁺ with a smaller stokes radius has faste...

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Progress of Fluorescent Probes for Protein Phosphorylation and Glycosylation in Atherosclerosis

von Jin Li et al.

· 28.03.2024

Exploring the post-translational modification (PTM) of proteins in the course of atherosclerotic disease has important guiding significance for the early warning of atherosclerotic plaque and the development of targeted drugs. We present strategies ...

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Targeting the Antifungal Activity of Carbon Dots against Candida albicans Biofilm Formation by Tailoring Their Surface Functional Groups

von Elisa Sturabotti et al.

· 28.03.2024

Three classes of Carbon Dots with different composition and charged surfaces were prepared and completely characterised with regards to their morphology and physicochemical properties. We demonstrate the requirement of a positively-charged surface t...

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Controlling the Activation at NiII−CO22− Moieties through Lewis Acid Interactions in the Second Coordination Sphere

von Siad Wolff et al.

· 28.03.2024

In nickel-carbonite complexes the degree of CO₂ activation depends on the nature of the alkali metal counterion, the strength of its interaction with the carbonite unit – and thus its spacial separation – as well as on further polar entities in the ...

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Synthesis and Photophysical Characterization of a pH‐Sensitive Quadracyclic Uridine (qU) Analogue

von Hoang‐Ngoan Le et al.

· 28.03.2024

Herein, we present the synthesis and detailed photophysical characterization of qU – a novel fluorescent base analogue of uridine. qU exhibits interesting properties such as excitation in the visible region with high brightness, dual emission, pH se...

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Detecting Protein‐Ligand Interactions with Nitroxide Based Paramagnetic Cosolutes

von Anja Penk et al.

· 28.03.2024

An easy-to-use NMR method for studying protein-ligand interactions is presented, relying on the measurement of paramagnetic relaxation enhancements induced by soluble nitroxide molecules. The NMR method can be useful for detecting changes of the ele...

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Binding of Acetylated Lysine by Using a Water Soluble Aryl Extended Calix[4]pyrrole

von Martina Orlandini et al.

· 28.03.2024

The selective molecular recognition properties of two different calix[4]pyrrole receptors toward the cis isomer of acetylated lysine (cis-Kac) are investigated. The formation of a 1 : 1 complex is favoured for the aryl-extended receptor compared to ...

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Selectively Transport and Removal of Fluoride Ion by Pillar[5]Arene Polymer‐Filled Nanochannel Membrane

von Chunxiu Chen et al.

· 28.03.2024

Fluoride contamination of groundwater has become one of the most serious problems in the world. Currently, excessive absorption of fluoride can be toxic to humans and crops. To address the challenge, we explored the excellent properties of functiona...

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Energy Transfer on Cytoskeleton of Red Blood Cell Ghosts and their Efficiency Control by KCl Concentration‐induced Cell Shrinkage

von Haruka Hiroe et al.

· 28.03.2024

Red blood cell ghosts (RBCGs), in which donor and acceptor molecules were chemically conjugated to a cytoskeleton network located beneath the inner membrane, exhibited energy transfer. Their efficiency varied depending on the amount and ratio of don...

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Flowmicro In‐Line Analysis‐Driven Design of Reactions Mediated by Unstable Intermediates: Flash Monitoring Approach

von Yosuke Ashikari et al.

· 28.03.2024

Flash monitoring: Direct observation of anionic polymerizing methacrylates was achieved by utilizing flow microreactors, which can transfer the unstable intermediates to spectroscopic instrument before they decompose. The in-line analysis of poly(me...

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Synthesis of 1,1′‐Bicarbazoles by Sequential Iron(III)‐ and Palladium(II)‐Catalyzed Oxidative Coupling Reactions

von Robert Thoran et al.

· 28.03.2024

Domino Iron and Palladium Catalysis: An elegant synthetic approach to 1,1′-bicarbazoles via activation of six C−H bonds is described. The strategy consists of an iron(III)-catalyzed oxidative homocoupling of diarylamines to 2,2′-bis(arylamino)-1,1′-...

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Electroplated Electrodes for Continuous and Mass‐Efficient Electrochemical Hydrogenation

von Jonas Wolf et al.

· 28.03.2024

Electrocatalytic hydrogenation reactions (ECH) receive growing attention due to their sustainable potential. Our innovative one-step protocol creates carbon-supported silver electrodes, finely tunable for morphology and catalytic activity. Achieving...

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Switchable Redox and Thermo‐Responsive Supramolecular Polymers Based on Cyclodextrin‐Polyoxometalate Tandem

von Soumaya Khlifi et al.

· 28.03.2024

The chaotropic behavior of polyoxometalates is exploited as an operating principle to promote a reversible and thermo-responsive sol-gel transition of cyclodextrin-based polymer where supramolecular networking results from the host-guest interaction...

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Electrocatalytic Epoxidation of Cyclooctene on Surface Modified Ni Foam Using Water as Oxygen Source

von Shubhadeep Chandra et al.

· 28.03.2024

An electrocatalytic strategy for highly selective epoxidation of cyclooctene to the corresponding epoxide is demonstrated using Ni foam as electrocatalyst using water as the oxygen source. By controlling the hydrophobicity of the Ni foam surface the...

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Achieving Visible‐Light‐Excitable Blue TADF‐Type Afterglow via Delicate Control of Excited States in Difluoroboron β‐Diketonate Systems

von Xuefeng Chen et al.

· 28.03.2024

In contrast to blue room-temperature phosphorescence materials that require UVB excitation, this study reports visible-light-excitable blue TADF-type afterglow materials via delicate control of excited states in difluoroboron β-diketonate systems. ...

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An Efficient C−Si/C−H Cross‐Coupling Reaction Enabled by a Radical Pathway

von Chunchun Mi et al.

· 28.03.2024

The aryl radical from sulfonium salts have been generated through copper-metal-catalyzed processes, which enable the successful biaryl transformation through the addition to the aryl(trialkyl)silanes for the first time. Given the fast development in...

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Methyl‐Symmetrically Substituted Poly(3,4‐Dimethylthiophene) as Cathode for Aluminum Ion Batteries

von Sihang Li et al.

· 28.03.2024

Addressing the stability challenges in aluminum ion batteries, this research employs poly(3,4-dimethylthiophene) (PDMT) as a cathode material. Innovatively modifying the thiophene ring with methyl groups, PDMT adjusts local charge density and electr...

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Transport Properties with Multiple Functions of Fe@C60‐GNR Single Molecule

von Xiaohui Liu et al.

· 28.03.2024

The transport properties of a series of double-layered Fe@C₆₀-GNR devices have been designed. It gives deep insight into the experimental discoveries, and provides theoretical guidance for optimizing the transport properties of the Fe@C₆₀-GNR device...

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Sterically Congested Protecting Group for a Boronyl Group in Iterative Aminations

von Takaki Nojiri et al.

· 28.03.2024

The reaction of α-hydroxycarboxamide and aryl boronic acid produces aryl-oxazaborolidinone (Ar-OxB). In Ar-OxB, the α-hydroxycarboxamide-moiety was found to be a good protecting group for the boronyl group. This Ar-OxB is effective for Iterative ami...

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Highly Ordered Co‐Assembly of Bisurea Functionalized Molecular Switches at the Solid‐Liquid Interface

von Cosima Stähler et al.

· 28.03.2024

We report on the design, synthesis, and scanning tunneling microscopy (STM) characterization of physisorbed monolayers of overcrowded alkene photoswitches physisorbed at the solid-liquid interface. Abstract Immobilization of stimulus-responsive sy...

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Towards Amplified Probing of Weak Intermolecular Interactions on the External Surfaces of Molecular Capsules

von Oleksandra Lagerna et al.

· 28.03.2024

Highly sensitive equilibria between homo- and heterodimeric capsular complexes reveal unexpected variations in the aryl-aryl interactions of eight benzoyl fragments grouped in four tight pairs on the outer surfaces of the capsules. Abstract We rep...

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Enantioselective Total Synthesis of the Morphogen (−)‐Thallusin and Mediated Uptake of Fe(III) into the Green Seaweed Ulva

von Paul Wienecke et al.

· 28.03.2024

The first fully enantioselective catalytic synthesis of the algal morphogen (−)-thallusin employs polyene cyclization chemistry with a novel, regioselective terminator. The ee of biosynthesized thallusin was determined. Fe(III)-transport studies dem...

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Direct Band Gap Semiconductors with Two‐ and Three‐Dimensional Triel‐Phosphide Frameworks (Triel=Al, Ga, In)

von Tassilo M. et al.

· 28.03.2024

New family of direct band gap semiconductors. The new compound Na₃In₂P₃ is a semiconductor with a direct band gap of 1.27 eV and exhibits a three-dimensional polyanionic framework of corner-sharing InP₄ tetrahedra. Additionally, the related phosphid...

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The Origin of Dual‐Emission in PLICT Compounds – an Empirical Approach

von Zoe Nonie et al.

· 28.03.2024

Dual-emitting PLICT compounds based on cyano-1-aminoindole structures and exploration of their fluorescence behavior are presented. Combination of experimental studies, theoretical calculations, and a unique fluorophore cataloging map allows for the...

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Synthesis and Identification of decarbamoyloxySaxitoxins in Toxic Microalgae and their Reactions with the Oxygenase, SxtT, Reveal Saxitoxin Biosynthesis

von Mayu Hakamada et al.

· 28.03.2024

decarbamoyloxySaxitoxins (doSTXs), dd-doSTX (2), 12β-deoxy-doSTX (3), 12α-deoxy-doSTX (4) and doSTX (5) were synthesized, and 2, 3, and 5 were identified in the toxin-producing marine dinoflagellates and a freshwater cyanobacterium. In addition, con...

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Straightforward Access to Free β2,3,3‐Amino Acids through One Pot C‐H Activation/C−C Cleavage

von Yibo Qin et al.

· 28.03.2024

Herein, one-pot C−H activation/C−C cleavage for the synthesis of novel spirocyclic β^2,3,3-amino acids, is reported. This approach shows wide substrate scope of CF₃-ynones and ketimines. In addition, several natural products and biologically relevant...

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Convergent Synthesis of the Nonreducing Hexasaccharide Fragment and the Dodecasaccharide Scaffold of Marine Lipopolysaccharide Axinelloside A

von Changgen Zeng et al.

· 28.03.2024

A convergent synthesis of properly protected dodecasaccharide backbone of axinelloside A was accomplished by virtue of an Au(I)-catalyzed [6+6] glycosylation. The 1,2-cis configuration of the glycosidic bonds was well controlled by judicious choice ...

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Gallaphosphene L(Cl)GaPGaL: A novel phosphinidene transfer reagent

von Mahendra K. et al.

· 28.03.2024

Gallaphosphene 1 serves as a phosphinidene transfer reagent in reactions with ^RNHCs and isonitriles, to give ^RNHC-coordinated phosphinidenes 2 and 1,3-phosphaazaallenes 3, respectively. NHC-coordinated phosphinidene 2 b reacted with THF ⋅ BH₃ with s...

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Cover Feature: Enantioselective Total Synthesis of the Morphogen (−)‐Thallusin and Mediated Uptake of Fe(III) into the Green Seaweed Ulva (Chem. Eur. J. 18/2024)

von Paul Wienecke et al.

· 28.03.2024

The algal morphogen (−)-thallusin was stereoselectively synthesized by implementing an Ir^I-catalyzed enantioselective polyene cyclization. A TMS group tracelessly directed the regioselectivity. (−)-Thallusin is secreted by bacteria associated with t...

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Front Cover: Flowmicro In‐Line Analysis‐Driven Design of Reactions Mediated by Unstable Intermediates: Flash Monitoring Approach (Chem. Eur. J. 18/2024)

von Yosuke Ashikari et al.

· 28.03.2024

A flash monitoring approach led to the direct observation of reactive intermediates in anionic polymerization. By using flow microreactors and in-line spectroscopic devices, the living ends of anionic polymerization could be analyzed by FTIR within ...

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A Powerful P−N Connection: Preparative Approaches, Reactivity, and Applications of P‐Stereogenic Aminophosphines

von Tanja Huber et al.

· 28.03.2024

New catalytic possibilities in the synthesis of P-stereogenic aminophosphine chalcogenides and boranes serve as an expansion in addition to established methods based on chiral auxiliaries. Stereoselective transformations into valuable building block...

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Hydroxytrifluoroethylation and Trifluoroacetylation Reactions via SET Processes

von Albert Gallego‐Gamo et al.

· 28.03.2024

In this review we present the recent methods available in the literature for the direct introduction of hydroxytrifluoroethyl and trifluoroacetyl groups in organic molecules governed by single-electron transfer processes. Abstract Hydroxytrifluoro...

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Metal Clusters Based Multifunctional Materials for Solar Cells

von Sibei Mai et al.

· 28.03.2024

This review summarizes the multifaceted role of metal clusters in advancing solar cell technologies, including the use as electron transport materials, interfacial modiifers, molecular precursors to prepare the inorganic materials and photosensitize...

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A family of hexacopper phenylsilsesquioxane/acetate complexes: synthesis, solvent‐controlled cage structures, and catalytic activity

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Construction of Ultrafine PtIr Clusters supported on Co3O4 Nanoflowers for Enhanced Overall Water Splitting

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Heteroatom Promoted Polyhexagonal Saddle‐Shaped Molecular Structure and Its Supramolecular Coassembly with C60

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Bacteria at Work – Experimental and Theoretical Studies Reveal the Catalytic Mechanism of Ectoine Synthase

von Justyna Andrys‐Olek et al.

· 28.03.2024

Ectoine is a compound gaining popularity in recent years, having unique moisturizing and cell-protective properties. This osmolyte is produced by many bacteria species via the ectoine biosynthetic pathway, the final stage of which is catalyzed by Ec...

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Tryptophan‐Doped Poly(vinyl alcohol) Films with Ultralong‐Lifetime Room‐Temperature Phosphorescence and Color‐Tunable Afterglow Under Ambient Conditions

von Jingshuang Zhen et al.

· 28.03.2024

Poly(vinyl alcohol) films doped with eight different tryptophan derivatives have been shown to exhibit ultralong phosphorescence emission under ambient conditions. The afterglow color of the films can be adjusted through a triplet-to-singlet Förster...

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Generation and Application of Aryl Radicals Under Photoinduced Conditions

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Magnetic‐Field‐Induced Spin Regulation in Electrocatalytic Reactions

von Qing Huang et al.

· 28.03.2024

Recently, magnetic fields have been regarded as an effective tool to modify magnetic domain structure and change the spin multiplicity of electrons during the electrocatalysis process. In this review, we systematically summarize the recent developme...

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Cellular Applications of DNP Solid‐State NMR – State of the Art and a Look to the Future

von David Beriashvili et al.

· 28.03.2024

Sensitivity enhanced dynamic nuclear polarization solid-state NMR has opened the door to probing the structures of protein in situ at atomic resolution. Here we discuss the methodologies’ state of the art, current bottlenecks, and present possible s...

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Leveraging Halogen Interactions for a Supramolecular Nanotube

von Sergey Fisher et al.

· 28.03.2024

Formation of supramolecular nanotubes from molecular triangles in a single crystal is observed. The supramolecular nanotube growth is templated by intermolecular halogen interactions between individual macrocycles encoded directly in their structure...

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Formation of Peroxynitrite, [O‐N‐O‐O]–, via a Cascade of Reactions between Ozonide and Ammonia

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Parametric Analysis of Donor Activation for Glycosylation Reactions

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Photocontrolled Binding of Styrylnaphthyridine Ligands to Abasic Site‐containing DNA by Reversible [2+2] Cycloaddition and Cycloreversion

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Phosphoramide‐Based Metal–Organic Frameworks for Effective Gas Adsorption

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New Phenanthro[9,10‐d]oxazole‐Based Fluorophores with Hybridized Local and Charge‐Transfer Characteristics for Highly Efficient Blue Non‐doped OLEDs with Negligible Efficiency Roll‐Off

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Biomimetic Nanocomposites for Glioma Imaging and Therapy

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Cellular Uptake of Cell‐Penetrating Peptides Activated by Amphiphilic p‐Sulfonatocalix[4]arenes

von Chusen Huang et al.

· 27.03.2024

The synthesis of amphiphilic p-sulfonatocalix[4]arenes with varying alkyl chain lengths (CX4-Cn ) and their ability to activate the uptake of cell-penetrating peptides (CPPs) into vesicles and into CHO−K1, HCT 116, and KTC-1 cells is reported. First...

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Perfluoroalkylation of Triarylamines by EDA complexes and Ulterior Sensitized [6π]‐Electrocyclization to Perfluoroalkylated endo‐Carbazoles. Mechanistic and Photophysical Studies

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CO2 photoreduction over semiconducting 2D materials with supported single atoms: recent progress and challenges

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Cu(II)‐Catalyzed Enantioselective Aza‐Friedel‐Crafts Reaction of 1‐Naphthols and Electron‐Rich Phenols with Isatin‐Derived Ketimines

von Qihang Cai et al.

· 27.03.2024

Products with up to 99 % yield and up to 99 % ee were obtained in aza-Friedel-Crafts reaction of 1-naphthols and electron-rich phenols with isatin-derived ketimines using Cu(II) complex bearing binaphthyl-proline-imidazoline-based tridentate chiral ...

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Self‐Assembly Strategy for Constructing Porous Boron and Nitrogen Co‐Doped Carbon as an Efficient ORR Electrocatalyst toward Zinc‐Air Battery

von Yuying Fu et al.

· 27.03.2024

A self-assembly strategy is developed to construct porous N and B doped carbon materials (BCN-P) as efficient metal-free ORR catalysts for zinc-air battery, which employs the macrocyclic molecule cucurbit[7]uril (CB7) and 3D aromatic-like closo-[B₁₂...

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3,4‐Dimethylenecyclobutene: A Building Block for Design of Macrocycles with Excited State Aromatic Low‐Lying High‐Spin States

von Preethanuj Preethalayam et al.

· 27.03.2024

We studied the electronic structure and (anti)aromatic character of 3,4-dimethylenecyclobutene (DMCB) and of macrocycles composed of fused DMCB units in their lowest-lying states of different multiplicities. The designed macrocycles exhibit very sta...

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Socialane, a Nonaprenyl Terpene Hydrocarbon Surface Lipid from the Collembola Hypogastrura socialis

von Anton Möllerke et al.

· 27.03.2024

Unlike insects, some of the tiny Collembola use large terpenes as epicuticular lipids. The identification and synthesis of socialane, the first cyclic regular nonaprenyl terpene from the cuticle of the springtail Hypogastrura socialis is reported. I...

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A Chiral [2+3] Covalent Organic Cage Based on 1,1’‐Bi‐2‐naphthol (BINOL) Units

von Midhun Mohan et al.

· 27.03.2024

A chiral cage formed with three 2,2’-BINOL units was prepared through a dynamic covalent chemistry approach. This architecture contains six OH functions pointing inside the cavity. Host-guest studies demonstrated enantiopreference of the cage for a ...

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Controlling the Crystal Growth of DNA Molecules via Strategic Chemical Modifications

von Jiazhen Lyu et al.

· 27.03.2024

Controlling the crystal growth of biomacromolecules remains elusive. Herein we have successfully accelerated the crystal growth of DNA molecules by introducing the 2’-O-methylation into their stacking sites, and decelerated it by introducing the pho...

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Replacement of Toxic Hydrazines in Satellite Propulsion with Greener Dinitramide‐based Energetic Ionic Liquid Candidates

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Conductive Metal‐Organic Framework Grown on the Nickel‐Based Hydroxide to Realize High‐Performance Electrochemical Glucose Sensing

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Stabilization of the Neutral [25]Hexaphyrin(1.0.1.0.1.0) Radical by Hetero‐Bimetal‐Coordination

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Robust Red‐Absorbing Donor‐Acceptor Stenhouse Adduct Photoswitches

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A Halogen‐Bonding [2]Rotaxane Shuttle for Chloride‐Selective Optical Sensing

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Facilitating Electron Transfer by Resizing Cyclocarbon Acceptor from C18 to C16

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Evaluating Diazene to N2 Interconversion at Iron‐Sulfur Complexes

von Reagan X. et al.

· 26.03.2024

The interconversion of N₂H₂ and N₂ is probed using μ-N₂H₂ iron-sulfur complexes. An intermediate trapped at low temperature was formerly presumed to be a μ-N₂ species, but new in situ spectroscopic characterization shows a new assignment. Our result...

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Photoredox Catalytic Access to N,O‐Acetals from Enamides by Means of Electron‐Poor Perylene Bisimides

von Desirée Steuernagel et al.

· 26.03.2024

Enamides can be converted into their N,O-acetals using just electron-poor perylene bisimides together with light, without the need for thiophenol as additive or strong acids as catalyst. Abstract N,O-acetals are found as structural motifs in natur...

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Effect of Fe Doping Profile on Current Collapse in GaN‐based RF HEMTs

von Linling Xu et al.

· 26.03.2024

Accurate simulation models are established and developed to investigate Fe doping profile on current collapse in GaN-based Radio Frequency (RF) high electron mobility transistors (HEMTs). By controlling Fe doping profile in GaN buffer layer, current...

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A Study on Auto‐Catalysis and Product Inhibition: A Nucleophilic Aromatic Substitution Reaction Catalysed within the Cavity of an Octanuclear Coordination Cage

von Jack C. et al.

· 26.03.2024

An octanuclear cubic coordination cage catalyses the nucleophilic aromatic substitution reaction of a cavity-bound guest, 2,4-dinitrofluorobenzene (DNFB). The product 2,4-dinitrophenolate (DNP) remained bound within the cavity, providing both autoca...

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Mesogenic Ordering–Driven Self–Assembly of Liquid Crystalline Block Copolymers in Solution

von Bixin Jin et al.

· 26.03.2024

This review summarizes the recent progress in the solution–state self–assembly of liquid crystalline block copolymers, including an in–depth understanding of the mesogenic ordering–driven self–assembly, precise assembly methods, utilization of these...

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Scope and Limitations of Using Microemulsions for the Covalent Patterning of Graphene

von Alicia Naranjo et al.

· 26.03.2024

We explore the scope and limitations of using microemulsions (MEMs) as templates to pattern graphene covalently. This methodology is very simple and can be used to obtain functionalization in either the major (out-patterning) or the minor (in-patter...

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Azulene‐Containing Bis(squaraine) Dyes: Design, Synthesis and Aggregation Behaviors

von Yiming Yao et al.

· 26.03.2024

Three azulene-containing bis(squaraine) dyes were synthesized, among which BSQ1 showed distinct aggregation behaviors from the other two dimers and demonstrated excellent photothermal conversion efficiency. In nanoparticles, BSQ1 formed J-aggregates...

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One‐pot Synthesis of PdCuAg and CeO2 Nanowires Hybrid with Abundant Heterojunction Interface for Ethylene Glycol Electrooxidation

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Surface‐Enhanced Raman Scattering Using 2D Materials

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A General Concept for the Electronic and Steric Modification of 1‐Metallacyclobuta‐2,3‐dienes: A Case Study of Group 4 Metallocene Complexes

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Enhancing Intramolecular Ferromagnetic Coupling in Tetrathiafulvalene–Nitronyl Nitroxide‐based Compounds through Spin Polarization Mechanism

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Mono‐ortho‐beryllated Carbodiphosphoranes: Synthesis, Structure, Bonding and Reactivity

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Designing Ionic Ir(III) Cyclometalated Complexes as Photocatalysts for Light Assisted ATRP of MMA. A Combined Experimental and Mechanistic Study

von Giulia Vigarani et al.

· 26.03.2024

A new family of ionic Ir(III)-complexes was designed, prepared and assessed for the visible light assisted ATRP of methyl methacrylate (MMA). A complete experimental and mechanistic study is performed to shed light on the key factors for the proper ...

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Redox‐Neutral Multicatalytic Cerium Photoredox‐Enabled Cleavage of O−H Bearing Substrates

von Avery O. et al.

· 26.03.2024

An approach toward general β C−C bond scission reactions of carboxylic acids and hemiacetals is presented. The present work demonstrates the power of a multicatalytic cerium-based photoredox platform to enable direct hydrodecarboxylation of carboxyl...

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Mechanistic Insights into the Discharge Processes of Li−CO2 Batteries

von Xinxin Zhang et al.

· 26.03.2024

This concept article elucidates the significant factors affecting discharge intermediates and reaction pathways of the Li−CO₂ batteries and highlights a *Li₂O-mediated surface lithiation mechanism. Abstract Li−CO₂ batteries facilitate renewable en...

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Dual‐Responsive Gradient Structured Actuator via Photopolymerization‐Induced Diffusion

von Duygu Sezen et al.

· 26.03.2024

A method has been developed for the fabrication of gradient-structured actuators with cross-link variation by using two distinct photoinitiator systems to selectively trigger thiol-ene polymerization and acrylate homopolymerization. The gradient-str...

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Mechanistic Insights into Sc(III)‐Catalyzed Asymmetric Homologation of Ketones with Diazo Compounds: How Trans Influence Assists in Controlling Stereochemistry

von Meirong Huang et al.

· 26.03.2024

A density functional theory study of the Sc^III-catalyzed asymmetric homologation of ketones with diazo compounds unveils a novel substrate coordination mode driven by the trans influence of counterions. This sheds light on the origins of the stereos...

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Targeting of G‐Quadruplex DNA with 99mTc(I)/Re(I) Tricarbonyl Complexes Carrying Pyridostatin Derivatives

von Elisa Palma et al.

· 26.03.2024

Drug development strategy: Re and ^99mTc tricarbonyl complexes with a pyridostatin moiety as a G4-binding motif have been obtained through a post-conjugation strategy using Pz-COOH-M. Metalation was found to enhance the complexes’ cytotoxicity in two...

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High‐pressure Synthesis of Cobalt Polynitrides: Unveiling Intriguing Crystal Structures and Nitridation Behavior

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A Photoswitchable Metallocycle Based on Azobenzene: Synthesis, Characterization, and Ultrafast Dynamics

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Ferromagnetically coupled chromium(III) dimer shows luminescence and sensitizes photon upconversion

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Secondary sites of the C‐type lectin‐like fold

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Increasing dimensionality in self‐assembly. Toward two‐dimensional supramolecular polymers

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Accelerating Cellular Uptake with Unnatural Amino Acid for Inhibiting Immunosuppressive Cancer Cells

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Electrochemical Dehydration of Dicarboxylic Acids to Their Cyclic Anhydrides

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Functional Plasticity of a Viral Terpene Synthase, OILTS, that Shows Non‐Specific Metal Cofactor Binding and Metal‐dependent Biosynthesis

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Chiral Spiro‐Tetrathiafulvalenes: Synthesis, Chiroptical Properties, Conformational Issues and Charge Transfer Complexes

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The Utilization of Metal‐Organic Frameworks and Their Derivatives Composite in Supercapacitor Electrodes

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Boosting Electrocatalytic N2 Reduction to NH3 by Enhancing N2 Activation via Interaction between Au Nanoparticles and MIL‐101(Fe) in Neutral Electrolytes

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N,N’‐Diaryl‐Sulfurdiimides are Strongly Redox Tuned

von Nathan D. et al.

· 22.03.2024

A series of 4- and 2,4,6-substituted diaryl sulfur diimides induce a large dependence on redox properties, such as the one-electron reduction CV waves shown here, that correlate linearly with the redox MO energies. One-electron transfers are confirm...

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Three‐Dimensional Self‐Supported Ge Anode for Advanced Lithium‐Ion Batteries

von Xiang Xiang et al.

· 22.03.2024

Three-dimensional (3D) self-supported Ge anode with enlarged surface area, enough spacing, and the shortened ions/electrons transporting path length would greatly facilitate the rapid kinetics and promote more Li ions reversibly stored in the Ge ele...

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Bimodal use of chiral α‐Trifluoromethylalanine in Aib Foldamers: study of the position impact towards the helical screw‐sense preference

von Nathan Picois et al.

· 22.03.2024

Introduction of a chiral α-trifluoromethylalanine residue into Aib oligomers proved its effectiveness as a bimodal moiety, acting both as controller and ¹⁹F NMR reporter of the helical screw-sense preference. By varying its position along the chain ...

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Intramolecular Phenyl Transfer from a Boronate to Lithium in the Gas Phase Reveals Crucial Role of Solvation in Transmetalations

von Finn Kraft et al.

· 22.03.2024

Contrary to common belief, transmetalation reactions are not simply controlled by the electronegativity difference of the involved metals/metalloids. A combination of gas-phase and solution experiments, together with quantum chemical calculations, r...

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Designing Powerful Biindole‐Based Inherently Chiral Selectors: Enhancing Enantiodiscrimination by Core Functionalization with Additional Coordination Elements

von Sara Grecchi et al.

· 22.03.2024

Addition of a further coordination element to biindole-based inherent chiral selectors of axial stereogenicity, by exploiting their peculiar advantage of very easy functionalization of the two nitrogen atoms in the atropisomeric core, can powerfully...

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Covalent Organic Frameworks as Nano‐Reservoir for Room Temperature RNA Storage

von Satyapriya Nath et al.

· 22.03.2024

In this work, covalent organic frameworks (COFs) have been studied for room-temperature storage of Ribonucleic acids (RNAs). The RNAs loaded in COFs maintained their structural integrity when stored in ambient conditions for weeks and were found to ...

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Remote Fluorination of α,β‐Unsaturated Carbonyls via Silyl Dienol Ethers

von Daria V. et al.

· 22.03.2024

We report a general, regioselective, and metal free γ-fluorination of α,β-unsaturated carbonyls via silyl dienol ethers that are readily prepared from simple ketones and aldehydes. The transformation displays broad scope including 27 cyclic and acyc...

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Perfect Polar Alignment of Parallel Beloamphiphile Layers: Improved Structural Design Bias Realized in Ferroelectric Crystals of the Novel “Methoxyphenyl Series of Acetophenone Azines”

von Harmeet Bhoday et al.

· 22.03.2024

The achievement of perfect polar dipole alignment in ferroelectric lattices of organic non-linear optical (NLO) materials demonstrates the potential for crystal engineering by rational design to craft materials with advanced optical performance. The...

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Phenanthrothiophene‐Triazine Star‐Shaped Discotic Liquid Crystals: Synthesis, Self‐Assembly, and Stimuli‐Responsive Fluorescence Properties

von Chong‐Yang Zeng et al.

· 22.03.2024

Triazine-based mesogens with three pending discoid arms have been shown to self-organize into rectangular columnar mesophases and form gels in various solvents. The solvatochromic-, acidochromic- and metal recognition-response photoluminescence of t...

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Visible‐Light‐Promoted Cascade Coupling of 2‐Isocyanonaphthalenes with Elemental Sulfur and Amines to Construct Naphtho[2,1‐d]thiazol‐2‐Amines

von Hongyu Ding et al.

· 22.03.2024

A facile and efficient visible-light-induced three-component reaction has been developed for the synthesis of 2-aminonaphthothiazoles from 2-isocyanonaphthalenes, elemental sulfur, and amines. This photochemical transformation can be conducted under...

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Structure‐Property Relationships for Potential Inversion from Electron Acceptors Based on Thiophene‐Fused Triptycene Quinones, 1,4‐Diketones and their Malononitrile Adducts

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Synthesis and Structural Revision of a Natural Tetrasaccharide from Starfish Asterias rollestoni Bell

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Push‐pull Bis‐norbornadienes for Solar Thermal Energy Storage

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AuNP@ MIL‐88B‐NH2 nanocomposite for the valorization of nitroarene by green catalytic hydrogenation

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Ligand Centered Reactivity of a Transition Metal Bound Geometrically Constrained Phosphine

von Aaron J. et al.

· 21.03.2024

We report on the electronic properties, coordination chemistry and reactivity of metal complexes of a planar acridane-derived geometrically constrained phosphine, P(NNN). Despite no longer exhibiting a constrained geometry when coordinated to metal ...

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Magneto‐Structural Correlation of Five‐Coordinate Trigonal Bipyramidal High Spin Cobalt(II) Complexes

von Peng Zhang et al.

· 21.03.2024

The combination of magnetometry and multi-frequency electronic paramagnetic resonance spectroscopy reveal large positive axial zero-field splitings, D’s, for 8 and 9 (24 cm⁻¹ and 32 cm⁻¹), and in-depth ligand field analyses on top of wave function b...

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TBADT‐Mediated Photocatalytic Stereoselective Radical Alkylation of Chiral N‐Sulfinyl Imines: Towards Efficient Synthesis of Diverse Chiral Amines

von Matteo Leone et al.

· 21.03.2024

This article presents a photocatalytic method for the stereoselective radical alkylation of chiral sulfinyl imines. It utilizes non-prefunctionalized radical precursors and TBADT as a direct HAT photocatalyst, yielding diverse chiral amines with exc...

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A New Molybdenum Blue Structure Type: How Uranium Expands this Family of Polyoxometalates

von Daniel E. et al.

· 21.03.2024

Adding uranyl nitrate to a solution that would otherwise crystallize the MB wheel Mo₁₅₄ instead directed the formation and crystallization of Mo₇₂U_8, a new MB structure type. Uranium(IV) can be used as both heterometal and reductant in the formation...

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Reversible Coupling of Germylone with Isocyanates

von Minh Tho et al.

· 21.03.2024

Ge(0) compound 5 undergoes coupling with isocyanates to afford imine-ligated alkyl carboxamido germylenes 7 and 8. Moreover, this addition is reversible, as evidenced by an exchange reaction of 8 with p-tolyl isocyanate and by DFT calculations. Ab...

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para–Phenylenediamine Dimer as a Redox–Active Guest for Supramolecular Systems

von Petr Janovský et al.

· 21.03.2024

Para–phenylenediamine dimers with the biphenyl centrepieces form supramolecular complexes with multiple units of α/β/γ-cyclodextrins and/or cucurbit[7/8]urils. Several redox agents were tested for switching between fully reduced colourless and parti...

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Pressure‐Induced Structural, Optical and Magnetic Modifications in Lanthanide SMMs

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Development of Biocompatible Cu(I)‐Microdevices for Bioorthogonal Uncaging and Click Reactions

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Diastereoselective Dearomatizing Cyclizations of 5‐Arylpentan‐2‐ones by Samarium Diiodide – A Computational Analysis

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Scaffold‐Oriented Asymmetric Catalysis: Conformational Modulation of Transition State Multivalency during a Catalyst‐Controlled Assembly of a Pharmaceutically Relevant Atropisomer

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Solid‐State Glass Nanopipette: Modification and Application

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Cavity Catalysis of an Enantioselective Reaction under Vibrational Strong Coupling

von Jaibir Singh et al.

· 20.03.2024

Cavity catalysis: Vibro-polaritonic states influence an enantioselective reaction under strong coupling. An increase in the conversion yield is obtained by coupling the carbonyl band of the reactant to an infrared cavity without affecting the enanti...

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Photosensitizers Enable the Formation of Biphenyls with UV‐LEDs and Sunlight

von Veit G. et al.

· 20.03.2024

A significantly improved method for metal-free biaryl synthesis through the photochemical extrusion of traceless linkers (photosplicing) is presented. An array of aldehydes and ketones have been identified as powerful photosensitizers that eliminate...

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Bending a Cumulene with Electrons: Stepwise Chemical Reduction and Structural Study of a Tetraaryl[4]Cumulene

von Zheng Zhou et al.

· 20.03.2024

To bend or not to bend? The chemical reduction of a [4]cumulene using cesium gives the mono- and doubly-reduced cumulenes. Crystallographic analysis reveals dramatic geometric changes upon stepwise reduction, including bending of the cumulenic core ...

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Sniffing Out the Sustainable Future: The Renewability Revolution in Fragrance Chemistry

von Franziska Elterlein et al.

· 20.03.2024

The 100/100 world of perfumes: Perfumery is currently experiencing its most radical change since the introduction of synthetic vanillin 150 years ago: The transition to 100 % renewable and 100 % biodegradable ingredients. In the Review by P. Kraft a...

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Tandem Electrochemical Oxidation of Polycyclic Aromatic Amines Towards Carbazoles and Phenazine‐based Aza‐helicenes

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64 Cu tumor labeling with hexadentate picolinic acid‐based bispidine immunoconjugates

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A pH‐Sensitive Double Chromophore Fluorescent Dye for Live‐Tracking of Lipophagy

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Predisposition in Dynamic Covalent Chemistry: The Role of Non‐Covalent Interactions in the Assembly of Tetrahedral Boronate Cages

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Fingerprints of Chalcogen Bonding Revealed Through 77Se‐NMR

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Room Temperature Phosphorescence in Crystalline Iodinated Eumelanin Monomer

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An Organocatalytic Highly Enantioselective Stereospecific Synthesis of 1,1‐Disubstituted‐1,3‐Dihydroisobenzofurans

von Chandan Kamilya et al.

· 19.03.2024

The asymmetric construction of an oxa-quaternary stereocenter via an intramolecular oxa-Michael reaction in β-substituted ortho-hydroxymethyl chalcone is being disclosed. Both the (E- and Z)-β-substituted ortho-hydroxymethyl chalcone produce (R)-ena...

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Achieving Dendrite‐Free Zinc Metal Anodes via Molecule Anchoring and lon‐Transport pumping

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Genetically Fusing Order‐Promoting and Thermoresponsive Building Blocks to Design Hybrid Biomaterials

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Synthesis of Superbulky Amide Ligands by Addition of Polar Reagents to Sila‐Imine

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Recent Developments of Nontraditional Single‐Molecule Toroics

von Xiao‐Lei Li et al.

· 19.03.2024

Based on the nontraditional perspective, the exciting advances of SMTs are reviewed ranging from the 3D topological to 1D&2D&3D polymeric SMTs, and 3d–4f to non Dy-based SMTs. The understanding of key design principles and the outlook on non...

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QM/MM Study Into the Mechanism of Oxidative C=C Double Bond Cleavage by Lignostilbene‐α,β‐Dioxygenase

von Hafiz Saqib et al.

· 19.03.2024

Insert text for Table of Contents here: A QM/MM study on the lignin activating nonheme iron enzyme lignostilbene-α,β-dioxygenase is presented and shows that the mechanism is driven by electrostatic interactions in the protein pocket that trigger an ...

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Interfacial Bonding Induced Charge Transfer in Two‐dimensional Amorphous MoO3‐x/Graphdiyne Oxide Non‐van der Waals Heterostructures for Dominant SERS Enhancement

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Unravelling the Role of Free Radicals in Photocatalysis

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NBN‐ and BNB‐Phenalenyls: the Yin and Yang of Heteroatom‐doped π Systems

von Alexander S. et al.

· 19.03.2024

The photophysical properties of NBN-phenalenyls are experimentally and quantum-chemically investigated, shedding light on the substituent-dependent emission characteristics of these compounds. Co-aggregation of a suitable NBN- with its complementary...

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Bimodal glycosyl donors as an emerging approach towards a general glycosylation strategy

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From Criegee to Breslow: How π‐Donors Steer the Route of Olefin Ozonolysis

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The divalent lanthanoid triflates Ln(CF3SO3)2(CH3CN) (Ln = Sm, Eu): Structure, luminescence, and magnetism

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The application of porous organic polymers as metal free photocatalysts in organic synthesis

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Internal Vanadium Doping and External Modification Design of P2‐Type Layered Mn‐Based Oxides as Competitive Cathodes toward Sodium‐Ion Batteries

von Xin Li et al.

· 18.03.2024

We propose a composite cathode material, Na_0.67Ni_0.23Mn_0.67V_0.1O₂@Na₃V₂O₂(PO₄)₂F, featuring synergistic modification through doping and coating. The optimized Na_0.67Ni_0.23Mn_0.67V_0.1O₂@5wt %Na₃V₂O₂(PO₄)₂F exhibited a high discharge capacity of 176 mA...

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From Neutral Diarsenes to Diarsene Radical Ions and Diarsene Dications

von Hanns Micha et al.

· 18.03.2024

Stable main-group element-centered radicals have attracted tremendous attention. We report here the synthesis and molecular structures of both an arsenic-centered radical anion and a radical cation. In addition, the synthesis of base-coordinated and...

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Constructing Hollow Microcubes SnS2 as Negative electrode for Sodium‐ion and Potassium‐ion Batteries

von Chengping Li et al.

· 18.03.2024

Microcubes SnS₂ were prepared through sacrificial MnCO₃ template-assisted and a facile solvothermal reaction strategy and their performance was investigated in Na and K-based cells. The unique hollow cubic structure and well-confined SnS₂ nanosheets...

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Hypervalent Iodine Compounds in Carbohydrate Chemistry: Glycosylation, Functionalization and Oxidation

von Mukul Mahanti et al.

· 18.03.2024

This mini review article provides an overview on the advantages and versatility of hypervalent iodine compounds (HICs) in carbohydrate synthesis. We will focuse on the application of HICs in glycosylation, oxidation, functionalization, and C−C bond-...

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Non‐Templated Assembly of D5h‐Symmetric Pd5L10 Rings by Precise Ligand Angle Adjustment

von Laura Neukirch et al.

· 18.03.2024

Systematic angle variation in bis-monodentate ligands allowed the first non-templated synthesis of Pd₅L₁₀ rings. Across different Pd_nL_2n ring sizes, the nuclearity n is correlated to the ligand binding angle, with conformational strain being the dec...

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Rh‐Catalyzed Chemodivergent [3+3] Annulations of Diazoenals and α‐Aminoketones: Direct Synthesis of Functionalized 1,2‐Dihydropyridines and Fused 1,4‐Oxazines

von Pratap Kumar et al.

· 18.03.2024

The reaction of rhodium enalcarbenoids with α-amino ketones has led to the discovery of chemodivergent [3+3] annulations. Acyclic α-amino ketones reacted via a protic ammonium ylide resulting in 1,2-dihydropridines (1,2-DHPs). In contrast, cyclic α-...

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Sr2[B5O8(OH)]2·[B(OH)3]·H2O: A Strontium Borate That Shows Deep‐Ultraviolet‐Transparent Nonlinear Optical Properties

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Design and Asymmetric Control of Orientational Chirality by using the Combination of C(sp2)‐C(sp) Levers and Achiral N‐Protecting Group

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Urea‐Comprising Single Core Diketopyrrolopyrrole Derivatives: Exploring the Synthesis, Self‐Assembly and Charge Transport Properties

von Gabriel Martinez et al.

· 15.03.2024

We explore the synthesis, self-assembly and charge transport properties of two urea-containing single core thiophene-capped diketopyrrolopyrrole derivatives. The subtle differences in molecular design dictate the superior electronic properties of th...

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Layer by Layer Spraying Fabrication of Aggregation‐Induced Emission Metal‐Organic Frameworks Thin Film

von Xue‐Xian Yang et al.

· 15.03.2024

A new kind of metal-organic framework (MOF) thin film were prepared by using aggregation-induced emission (AIE) based ligand through a liquid-phase epitaxial (LPE) layer-by-layer (LBL) spraying method, which is named AIE surface-coordinated metal-or...

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From the Total Synthesis of Semi–Viriditoxin, Semi–Viriditoxic Acid and Dimeric Naphthopyranones to their Biological Activities in Burkitt B Cell Lymphoma

von Frederike Weber et al.

· 15.03.2024

Various naphthopyranones were synthesized and tested for their cytotoxicity and apoptotic activity. The synthesis was carried out using two building blocks, which were prepared from enantiomerically pure oxiranes and methyl acetoacetate and then rea...

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Stabilization of Lantern‐Type Metal‐Organic Cages (MOCs) by Protective Control of Ligand Exchange Rates

von Samuel E. et al.

· 15.03.2024

Stability of metal-organic cages (MOCs) in solution depends on steric bulk and hydrophobicity proximal to the paddlewheel nodes. Increased bulk from alkyl side chains increases the effective half-life of the cages in competitive “MOC+MOC” equilibrat...

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Fachzeitschriften

Chemistry – A European Journal

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Characterization and In Vitro Behavior of PEO Coated Mg Modified with Antibacterial Ag(I) and Cu(II) Complexes

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Improved Interface Construction on Anode and Cathode for Na‐Ion Batteries Using Ultralow‐Concentration Electrolyte Containing Dual‐Additives

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Progress of Fluorescent Probes for Protein Phosphorylation and Glycosylation in Atherosclerosis

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Targeting the Antifungal Activity of Carbon Dots against Candida albicans Biofilm Formation by Tailoring Their Surface Functional Groups

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Controlling the Activation at NiII−CO22− Moieties through Lewis Acid Interactions in the Second Coordination Sphere

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Synthesis and Photophysical Characterization of a pH‐Sensitive Quadracyclic Uridine (qU) Analogue

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Detecting Protein‐Ligand Interactions with Nitroxide Based Paramagnetic Cosolutes

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Binding of Acetylated Lysine by Using a Water Soluble Aryl Extended Calix[4]pyrrole

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Selectively Transport and Removal of Fluoride Ion by Pillar[5]Arene Polymer‐Filled Nanochannel Membrane

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Energy Transfer on Cytoskeleton of Red Blood Cell Ghosts and their Efficiency Control by KCl Concentration‐induced Cell Shrinkage

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Flowmicro In‐Line Analysis‐Driven Design of Reactions Mediated by Unstable Intermediates: Flash Monitoring Approach

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Synthesis of 1,1′‐Bicarbazoles by Sequential Iron(III)‐ and Palladium(II)‐Catalyzed Oxidative Coupling Reactions

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Electroplated Electrodes for Continuous and Mass‐Efficient Electrochemical Hydrogenation

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Switchable Redox and Thermo‐Responsive Supramolecular Polymers Based on Cyclodextrin‐Polyoxometalate Tandem

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Electrocatalytic Epoxidation of Cyclooctene on Surface Modified Ni Foam Using Water as Oxygen Source

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Achieving Visible‐Light‐Excitable Blue TADF‐Type Afterglow via Delicate Control of Excited States in Difluoroboron β‐Diketonate Systems

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An Efficient C−Si/C−H Cross‐Coupling Reaction Enabled by a Radical Pathway

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Methyl‐Symmetrically Substituted Poly(3,4‐Dimethylthiophene) as Cathode for Aluminum Ion Batteries

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Transport Properties with Multiple Functions of Fe@C60‐GNR Single Molecule

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Sterically Congested Protecting Group for a Boronyl Group in Iterative Aminations

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Highly Ordered Co‐Assembly of Bisurea Functionalized Molecular Switches at the Solid‐Liquid Interface

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Towards Amplified Probing of Weak Intermolecular Interactions on the External Surfaces of Molecular Capsules

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Enantioselective Total Synthesis of the Morphogen (−)‐Thallusin and Mediated Uptake of Fe(III) into the Green Seaweed Ulva

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Direct Band Gap Semiconductors with Two‐ and Three‐Dimensional Triel‐Phosphide Frameworks (Triel=Al, Ga, In)

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The Origin of Dual‐Emission in PLICT Compounds – an Empirical Approach

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Synthesis and Identification of decarbamoyloxySaxitoxins in Toxic Microalgae and their Reactions with the Oxygenase, SxtT, Reveal Saxitoxin Biosynthesis

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Straightforward Access to Free β2,3,3‐Amino Acids through One Pot C‐H Activation/C−C Cleavage

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Convergent Synthesis of the Nonreducing Hexasaccharide Fragment and the Dodecasaccharide Scaffold of Marine Lipopolysaccharide Axinelloside A

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Gallaphosphene L(Cl)GaPGaL: A novel phosphinidene transfer reagent

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Cover Feature: Enantioselective Total Synthesis of the Morphogen (−)‐Thallusin and Mediated Uptake of Fe(III) into the Green Seaweed Ulva (Chem. Eur. J. 18/2024)

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Front Cover: Flowmicro In‐Line Analysis‐Driven Design of Reactions Mediated by Unstable Intermediates: Flash Monitoring Approach (Chem. Eur. J. 18/2024)

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A Powerful P−N Connection: Preparative Approaches, Reactivity, and Applications of P‐Stereogenic Aminophosphines

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Hydroxytrifluoroethylation and Trifluoroacetylation Reactions via SET Processes

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Metal Clusters Based Multifunctional Materials for Solar Cells

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A family of hexacopper phenylsilsesquioxane/acetate complexes: synthesis, solvent‐controlled cage structures, and catalytic activity

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Construction of Ultrafine PtIr Clusters supported on Co3O4 Nanoflowers for Enhanced Overall Water Splitting

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Heteroatom Promoted Polyhexagonal Saddle‐Shaped Molecular Structure and Its Supramolecular Coassembly with C60

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