A general electrochemical strategy for the direct C−H carboxylation of N-heteroarenes with CO₂ by simply choosing different electrochemical setups has been reported by Yu, Lin, and co-workers, providing high-yielding access to divergent carboxylated products with excellent site selectivity.

Cross-dehydrogenative coupling (CDC) via C−H activation is the latest addition in the repertoire of synthetic strategies towards conjugated polymers. This article captures the development of this polymerization strategy in the light of background small molecule reactions and highlights how its approach is greener than the previous methods. Arene–arene and arene–alkene couplings via transition metal catalysts have been explored for CDC polymerization.

Metastasen und Tumorrückfälle sind die Hauptursachen für krebsbedingte Todesfälle. Neben anderen Ansätzen gilt ein großes Forschungsinteresse immunogenen, den Zelltod auslösenden Wirkstoffen, die in der Lage sind, sowohl den lokalen Zelltod der Krebszellen auszulösen als auch eine Immunreaktion im gesamten Organismus zu induzieren. In diesem Artikel wird die Anwendung von Metallkomplexen als immunogene, den Zelltod auslösende Verbindungen systematisch untersucht.

Non-fused ring acceptors for organic solar cells are presented in this Review from the viewpoint of materials design. The cencepts of noncovalent interactions, insertion of sterically hindered side chains, and planarization of the molecular backbone by conformational locking are summarized toward the design of high-performance materials.

This review highlights recent achievements in the fabrication of amorphous nanomaterials with the assistance of supercritical carbon dioxide (SC CO₂) and discusses the underlying amorphization mechanism. The application of amorphous nanomaterials in different fields is summarized, thus demonstrating the prospects of SC CO₂.

An electrode-structure-engineering strategy is developed to achieve efficient, selective, and stable CO₂ reduction (CO₂R) with high CO₂ utilization. This strategy creates a near-neutral pH and enriches K⁺ near catalyst surfaces during CO₂R in strong acids. A stratified SiC-Nafion^TM/SnBi/polytetrafluoroethylene (PTFE) electrode consistently produces formic acid with a single-pass carbon efficiency of >75 % and Faradaic efficiency of >90 % at 100 mA cm⁻², lasting over 125 h at pH 1.

Combining photochromic agonists of GPCR receptors with label-free impedance analysis of cells expressing this receptor allows monitoring and controlling dynamics and reversibility of intracellular signaling cascades in real time.

Using the genetic code expansion strategy, an azido amino acid was site-specifically incorporated into a biological nanopore and served as a “chemical clasp”, enabling bioorthogonal conjugation of DNA or proteins to generate nanopore sensors with novel sensing capacities. The lysozyme-conjugated pore was further demonstrated as a proof-of-principle for the discrimination of different oligosaccharides.

N-formylation of aliphatic primary amines with CO₂/H₂ to formamide is achieved with a heterogeneous non-noble metal Cu-based catalyst containing Cu₂O/Cu interface sites.

Unlocking a stacked layered structure of a two-dimensional covalent organic framework (COF) is achieved by solvothermal conditions to enable stable coordination with Ni(II) ions via the 2,2’-bipyridine moiety. This COF-Ni(II) complex exhibits an improved light absorption ability and boosts photocatalytic H₂ generation (51,300 μmol h^-1 g^-1) in a total visible spectrum, even under 700-nm irradiation.

This work coupled electrochemical mediated Fe^II/Fe^III redox with uranium extraction and realized high efficiency uranium extraction under ultra-low cell voltage (−0.1 V) in seawater with 20 ppm UO₂(NO₃)₂. The findings also provide inspiration for other metal resource recovery applications.

A mechanochemical Birch reduction is reported for the first time. The newly developed ball-milling method does not require an inert atmosphere or other special precautions. Notably, the reaction reached completion within one minute for most of the investigated substrates. The present study thus provides a novel, operationally simple, rapid, and scalable alternative to conventional solution-based Birch reduction.

The surface reconstruction of Lattice oxygen oxidation mechanism (LOM)-based metal oxides in alkaline medium was unveiled to be triggered by a spontaneous chemical reaction, instead of an electrochemical reaction. During the chemical process, the activated lattice oxygen atoms were attacked by adsorbed water molecules firstly, leading to the formation of hydroxide ions (OH⁻). Then, the metal-site soluble atoms leached from the oxygen-deficient surface.

Enantioselective synthesis of N−N indole-pyrrole and bisindole atropisomers was achieved by a palladium-catalyzed TDG-enabled C−H functionalization. A wide variety of the N−N atropisomers were produced in good yields with excellent enantioselectivities by C−H alkenylation, alkynylation, allylation or arylation reactions.

N-Heterocyclic Carbene (NHC) functionalized gold nanoparticles (AuNPs) are highly tunable and bright mass spectrometry reporters. NHC ligands fragment less and achieve higher ion yield than conventional thiol systems, which enables bioconjugation monitoring, mass spectrometry imaging, and data storage applications.

The high-performing sky-blue perovskite light-emitting diodes (PeLEDs) with peak external quantum efficiency exceeding 15 % are attained by the use of a synergetic modulation strategy, regarding defect passivation and phase distribution regulation, via the incorporation of a bifunctional molecular additive.

A binap-ligated copper dimer has been heterogenized on a pillar-layered MOF surface for the first time using a hydroxamic acid linker. This MOF-supported dimeric copper photocatalyst demonstrates much higher activity and recyclability than its homogeneous counterparts in intra- and intermolecular radical reactions of N-acyloxy imidates and O-acyl oximes.

A facile protocol is demonstrated for the synthesis of intrinsically chiral dog-bone shaped gold nanostructures that displayed optical activity in the visible and NIR region of the electromagnetic spectrum. The controlled assembly of the nanostructures resulted in the enhancement and precise tuning of plasmonic chirality offering potential for application in the fields of enantioselective recognition, asymmetric catalysis, and spintronics.

It is challenging to prepare H₂O₂ in a green, safe, simple and efficient way under ambient conditions. We proposed a facile approach for the direct production of H₂O₂, relying on contact-electro-catalysis between Polytetrafluoroethylene particles and deionized water without any other traditional catalysts.

We present a new synthetic strategy to combine the post-polymerization modification (PPM) and the ring-opening metathesis polymerization (ROMP) for designing multifunctional linear liquid crystal polymers (LLCPs). A photo- and humidity-responsive LLCP is demonstrated to show the potential of this synthetic strategy to offer broader opportunities to structurally diversify LCPs.

An original molecular design is reported to tailor the solvating power and physicochemical properties of non-fluorinated ether solvents. Eliminating one O atom and increasing steric hinderance in DME leads to cyclopentylmethyl ether (CPME) with significantly weakened solvating power and well extended temperature range of liquid phase from −140 °C and 106 °C, showing a great prospect for wide temperature lithium metal batteries.

We report the first direct catalytic asymmetric N1-functionalization of 1H-indoles via an allenylic alkylation strategy. This transformation produces N-alkylated indoles bearing axial chirality with a stereocenter non-adjacent (β) to the nitrogen. The regioselectivity (N1/C3) of this process can be switched efficiently. We also introduce a new class of tri-substituted allenylic electrophiles.

Chemical stepping of biopolymers within a protein nanopore suggests an enzymeless means of sequence characterization. Using a nanoreactor approach, we elucidated the reactivity profile of cysteine footholds along a protein track. Faster chemical stepping was achieved by rational mutagenesis and optimization of reaction conditions. In the future, the system has the potential for directional molecular motion at milliseconds per step.

The concept of self-assembly induced enhanced electrochemiluminescence (SIEECL) using programmable DNA nanoribbon was proposed for the first time. This novel concept is confirmed in various ECL emitters, such as copper nanoclusters, gold nanoclusters and Ru(bpy)₃²⁺/TPrA system. Accelerated electron transfer reaction and reduced energy gap contribute to the enhancement of ECL.

Room-temperature phosphorescence (RTP) with p-π and π-π synergy is realized by combining phosphine and carbazole groups in three hybrid molecules (xCzTPP). The harmonized p-electronic feature and steric effect of the phosphine group result in RTP efficiency and lifetime of para-substituted pCzTPP up to 13.8 % and 645 ms, respectively, owing to its sequential and complementary triplet p-π and π-π components in intersystem crossing and triplet energy-transfer processes.

The feasibility of electrochemical protectors was demonstrated with a classical Lewis acid B(C₆F₅)₃, which was mounted on donor-acceptor emitters to greatly stabilize electrogenerated radicals and enhance the Lewis-pairing-induced electrochemiluminescence (ECL). Electrochemical doping in segregated emitter-B(C₆F₅)₃ co-assemblies afforded a crystalline film showing ECL through singlet exciton delocalization derived from columnar π-stacks.

Herein, we propose an intriguing light-driven orderly assembly strategy for implanting Ir-chains and clusters onto catalyst surfaces with different order degrees. Interestingly, the dynamic orbital interaction between orderly Ir-atomic chains and clusters can be regulated by balancing the dissolution and redisposition rate. As a result, the activation energy in acidic OER can be effectively reduced by integrating a dynamic reaction pathway.

Framework nucleic acids (FNAs)-based peptide vaccines with different structures and sizes were constructed to understand the effect of peptide spacing and carrier rigidity on B cell activation, and reveal the significance of precise peptide organization. Epitopes from SARS-CoV-2 were assembled on the preferred FNA to construct a COVID-19 peptide vaccine prototype which effectively triggered humoral immune responses in mice.

The Brønsted acid-catalyzed meta-amination of arylamines with aliphatic, heterocyclic and aromatic amines is reported based on a one-pot procedure. The strategy is based on direct C−N bond formation for the practical synthesis of meta-substituted anilines, thus reversing the conventional site-selectivity. A concise and efficient synthesis of anti-psychotics and in particular of anti-schizophrenic drugs is shown.

Cyclohexene-based carbohydrate mimics have been shown to react with glycoside hydrolases via positively charged, allylic cation-like transition states. By incorporating electron-withdrawing halogens at the vinyl position of the allyl ethers of these sugar mimics, potent inhibitors of β-glycosidases were prepared. This approach is orthogonal to existing strategies and offers a new tool to probe glycosidase active sites.

A highly electron-deficient cyclopentadienyl iridium(III) complex was developed ([Cp^EIrI₂]₂). This complex effectively catalyzed weakly coordinating ether-directed C−H amidation reactions under mild reaction conditions. Mechanistic experiments and DFT calculations indicated that the high catalytic activity of the [Cp^EIrI₂]₂ complex is attributed to its highly electron-deficient nature.

A copper-catalyzed stereospecific fluorination reaction allowed to achieve the synthesis of molecules bearing F-containing tertiary carbon stereogenic center that are otherwise difficult to synthesize. Based on the use of enantio-enriched α-halocarboxamides and inexpensive CsF, the reaction could be controlled by efficient divalent-Cu/carboxamide interactions. This new methodology enables to generate the tert-alkyl fluorides in a stereoretentive manner.

A saddle-shaped heptagon-containing nanographene and a [10]cycloparaphenylene are merged into a single nanohoop. The intrinsic curvature of the nanographene diminishes the strain energy of the hoop, increases the binding constant and enables a fast electron transfer toward fullerenes.

A series of CoN_x/carbon nanotube hybrids as oxygen reduction electrocatalysts were studied through electrochemical and operando spectroscopic methods. When cathodically biased, a reconstruction in the symmetry of Co−N_x active sites is discovered, which leads to a shift in the electrocatalytic oxygen reduction reaction selectivity from producing water to hydrogen peroxide.

A series of in situ characterization and theoretical simulation studies were performed to elucidate the various mechanisms of formation of alcohol-induced strong metal–support interactions (SMSIs) on the surface of a Cu/ZnO catalyst.

Three sequential dearomatization-rearomatization reactions of benzoxazinones with aza-sulfur ylides were developed under transition metal catalysis. Pharmaceutically significant bis-nitrogen heterocycles, benzimidazolines and dibenzodiazepines, were produced with high efficiency and selectivity. Furthermore, detailed mechanism studies were carried out to explain the proposed mechanism and reaction selectivity.

Hemin was identified as a broad-spectrum (400–700 nm) and highly efficient (quenching efficiency >97 %) dark quencher for designing “turn-on” fluorescent probes. Based on this initial discovery, the first live cell-applicable fluorescent probe of heme oxygenase-1 (HO-1) was disclosed and a convenient fluoroassay was developed for determining HO-1 activity in biological samples.

Here, we have developed a versatile microneedle (MN) biosensor applicable for detecting various clinical biomarkers, present in interstitial fluid, on-site and near a patient's point of care. Our MN-based biosensor has displayed accurate and reliable results at in vitro, ex vivo, and in vivo settings when compared to benchmark assays. The developed MN paves the way for better health management and timely treatment.

A new type of stimuli-responsive porous material was prepared based on the detachment mechanism. The detachable porous polymer, namely DT-POP-1, was fabricated by the polymerization of anthracene-containing monomer with 365 nm UV light and it can detach into the monomer upon irradiation with 275 nm UV light or heat. The detachment results in a large difference in porosity and adsorption capacity.

Fluoride alkyl magnesium salts reconstructing the solvation structure of Mg²⁺ not only improve the high voltage tolerance of the electrolyte, but also facilitate the in situ generation of a robust solid electrolyte interface enabling a steady Mg metal anode.

A facile strategy was developed to improve the film quality of a solution processed nickel(II) nitrate hole transporting layer, which realized a record efficiency of 19.02 % for the binary blend bulk heterojunction organic solar cells.

Deep-learning on three-dimensional variable spinning rate datasets provides a powerful method to obtain high resolution ¹H-¹H two-dimensional NMR spectra in rigid organic solids by removing broadening due to dipolar interactions.

Racemic (R)/(S) and enantiopure (D,R,D)/(L,S,L) binuclear Pt^II complexes with metal-induced planar chirality were designed and prepared by using soft-bridged achiral and chiral ligands, respectively. Their phosphorescence quantum yields up to 100 % can be achieved by shortening intramolecular Pt−Pt distance for highly efficient solution-processed circularly polarized OLEDs.

A new local lattice distortion (LLD) manipulation strategy was demonstrated to suppress the halide migration in mixed-halide perovskite. DFT simulation and experimental data confirm that the LLD manipulation effectively suppresses the halide migration in perovskites. Mixed-halide blue PeLED with champion EQE of 14.2 % at 475 nm and impressive T₅₀ of 72 min has been achieved, representing the state-of-the-art pure-blue PeLEDs.

This is the first demonstration of an aromatics-selective recognition strategy for cation-π and donor-acceptor motifs that avoid their mutual interference, thus enabling the construction of two-dimensional supramolecular polymers (2DSPs), which exhibit boosted photocatalytic hydrogen evolution activity.

The performance of aqueous Zn-ion batteries is improved by regulating the inner Helmholtz plane (IHP) chemistry. Pyridine (Py) as high donor number organic electrolyte additive (only 1 vol. % addition) is used to efficiently regulate the solvation sheath structure, which results in depressed H₂O activity at the IHP interface. The thus-formed IHP interface enables a superior stable Zn anode with high reversibility and utilization rate.

Intermolecular 1,4-addition of a functionalized vinyl lithium reagent to a readily accessible Michael acceptor enabled the synthesis of six mavacuran alkaloids with a highly strained pentacyclic cagelike framework. The chemo- and diastereoselectivity of the reaction was rationalized by DFT calculations. Dihydroxylation and pinacol rearrangement of the indole nucleus completed the first total syntheses of C-profluorocurine and C-fluorocurine.

Benefiting from the unblocked unique aromatic pore surfaces, suitable pore spaces and pore volumes, Ni-MOF 2 displays high separation performance for C₂H₆/C₂H₄ separation and produces polymer-grade C₂H₄ with high productivity (12 L kg⁻¹) by a single separation process.

Partially oxidized graphene (pGO) operates as a charge-transfer mediator between the water oxidation cocatalyst (Co₄O₄) and the hole-accumulating {−101} facets of PbCrO₄. Unimpeded transfer of photogenerated holes from PbCrO₄ to Co₄O₄ via the pGO mediator is demonstrated. The resulting Co₄O₄/pGO/PbCrO₄ photocatalyst oxidizes water with an apparent quantum efficiency exceeding 10 % at 500 nm.

A transition metal-free deborylative cyclization strategy led to the efficient synthesis of racemic and enantioenriched cyclopropylboronates. The cyclization of geminal-bis(boronates) bearing a leaving group was highly diastereoselective and stereospecific, tolerating various functional groups and heterocycles. Mechanistic studies indicated that the leaving group at the γ-position significantly promoted the activation of the gem-diboron moiety.

An atroposelective copper-catalyzed three-component coupling of cyclic diaryliodonium, cyanate and phenols is used to synthesize axially chiral carbamates. The success of this coupling is attributed to the key dual role of phenols, which are capable of activating the copper catalyst and trapping the isocyanate intermediate.

In this study, novel nanographenes bearing N-doped pentagon-heptagon pairs were synthesized through a facile ring expansion strategy. Modifications of heptagon spacers have endowed N-doped nanographenes with tunable physicochemical properties. This ring expansion method was further explored to synthesize diverse N-doped nanographenes containing pentagon-octagon pairs, demonstrating the high efficiency of the proposed method.

Due to limits in heat and mass transfer, the acquisition of kinetic data of fast reactions has been historically challenging, especially for multiphasic reactions. Inspired by the concept of flash chemistry and radial synthesis, a novel microreactor was designed to study the initial fast isomerization process (within the first minute) in rhodium-catalyzed hydroformylation. A new type of isomerization pathway without the coordination of CO to rhodium center was found, which is dramatically faster than the known one.

Highly selective 1-electron oxidation of formaldehyde enables co-generation of electricity and H₂ with valuable formate in a direct formaldehyde fuel cell without CO₂ pathway. This approach not only avoids greenhouse gas emissions but also eliminates negative effects of CO poisoning and carbonate generation.

A self-assembled 2D metal-organic framework (MOF) membrane is shown to be an excellent nanofluidic platform for the smart regulation of transverse ion transport. It exhibits extremely high ion gating ratios (up to 10⁴) due to its good photothermal performance. This approach may lead to applications of MOF membranes which have a variety of stimuli responsive properties in ion sieving, biosensing, and energy conversion.

An organic pH buffer strategy is proposed. N-containing organic molecules simultaneously control electrolyte pH, suppress hydrogen evolution, enable uniform Zn deposition, and inhibit shuttle of polyiodine compounds, achieving highly reversible and stable, long-cycle Zn-I₂ batteries.

Complexes featuring two U M double dative bonds are prepared from the reaction of heterometallic chlorine-bridged precursors with MeMgBr or MeLi. This study shows a novel synthetic method for complexes with U−M multiple bonds, and also provides new examples with which to investigate the bonding of 5 f-block actinide elements.

The first intermolecular enantioselective addition of nitroalkanes to unactivated α,β-unsaturated esters is described, catalyzed by a bifunctional iminophosphorane (BIMP) superbase. This fundamental synthetically relevant transformation proceeds with high enantiomeric excesses and yields over a wide range of feedstock substrates, providing pharmaceutically relevant building blocks in a single step.

Singlet oxygen (¹O₂) specifically targets the N-adjacent atoms and acts as an etchant to realize site-specific etching of topological carbon defects neighboring the N-dopants, leading to a boosted intrinsic catalytic activity of the N−C sites in the resultant N-doped carbon (¹O₂−N/C). The ¹O₂−N/C exhibits the highest half-wave potential of 0.915 V_RHE toward oxygen reduction reaction among all the metal-free carbon catalysts reported to date.

The quinone-doped carbon electrocatalyst exhibits a remarkable onset potential of 0.83 eV vs. RHE in 0.1 M KOH and over 95 % H₂O₂ selectivity in both alkaline and neutral electrolytes. The effectiveness of chair-form quinone groups as the most efficient active sites is highlighted by the reverse verification method, compared with other oxygen functional groups.

A fluid multivalent magnetic interface was engineered in a microfluidic chip to improve the kinetics and thermodynamics of biomolecular recognition for efficient isolation of tumor-derived extracellular vesicles (T-EVs). With the assistance of magnetic and flow fields, this interface balanced affinity, selectivity, reversibility, and extendibility, enabling high-throughput recovery of T-EVs for protein profiling.

Eine effiziente und modulare Synthesestrategie für die Konstruktion von neuen azuleneingebetteten PAKs mit guter struktureller Diversität wurde entwickelt. Die Beziehungen zwischen chemischer Struktur, Aromatizität und photophysischen Eigenschaften der dargestellten nicht-alternierenden PAKs wurden vollständig untersucht. Diese Strategie bietet einen unkomplizierten Ansatz für die zügige Konstruktion noch unerforschter nicht-alternierender PAKs oder sogar Graphennanostreifen mit mehreren Azuleneinheiten.

Hier zeigen wir eine vielseitige, allgemeine Synthesestrategie unter Verwendung einer repräsentativen Auswahl von sieben MOF-Hüllen (ZIF-zni, ZIF-8, ZIF-67, FJU-30, MIL-88(Fe), HKUST-1 und MOF-74(Co)) und sechs Kernen (Ag, Au, NaYF₄, β-FeOOH, Fe₂O₃ und Ni₃[Fe(CN)₆]₂), die so aufeinander abgestimmt sind, dass sie von einem bis zu Hunderten von Kernen in mono-, bi-, tri- und quaternären Verbundwerkstoffen eingesetzt werden können.

Die Beladung der RNA mit Aminosäuren ist der erste Schritt zur RNA-basierten Peptidsynthese in einer putativen präbiotischen RNA-Peptid-Welt. Es wird über die effiziente Beladung von RNA-Strängen, die N-Methylcarbamoyl-Nukleotide enthalten, mit einer Reihe von Aminosäuren berichtet. Mit den beladenen RNA-Stränge konnten auch RNA-basierten Aminosäure-Transferreaktionen durchgeführt werden.

Nanodiscs are small discoidal lipid bilayer assemblies and represent an attractive nanomedicine platform. While most nanodiscs are made with synthetic lipid bilayers, this work reports on a nanodisc formulation made with natural human red blood cell membrane and demonstrates its robust application for bacterial toxin neutralization.

A novel solid-state ¹⁹F MAS NMR method was developed to accurately and easily measure water-membrane partitioning values (K_p). Given the very different octanol and membrane environments, a remarkable correlation between logK_p and logP was found, but only for a given compound series. This work indicates that even minor lipophilicity modulations by aliphatic fluorination can have true relevance for the drug discovery optimization process.

NHC-catalyzed enantioselective Mannich-type reactions of 5-(chloromethyl)furfural (CMF), an important biomass-derived platform chemical, with aldimines afford chiral amines in good yields with excellent regio- and enantioselectivities. The use of a bifunctional NHC bearing a free hydroxy group enabled the remote addition of the trienolate intermediate to the imine to occur in a highly stereocontrolled manner.

Cationic biphen[n]arenes were designed and synthesized, which could inhibit biofilm formation and eradicate stubborn mature biofilms. Moreover, their effective complexation with the conventional antibiotic cefazolin sodium could further enhance the biofilm disruption efficacy in vitro and synergistically improve the healing effect in E. coli-infected mice.

Functional group-controlled, Rh^III-catalyzed scaffold-divergent synthesis of spirooxindole–isooxindoles and spirooxindole–oxindoles in combination with unbiased morphological bioactivity profiling reveal a unique Eg5 inhibitor chemotype.

By designing the structure of the catalyst, possessing Co^II and Co^III reaction centers, we achieve nearly 100 % selective activity during ORR to H₂O₂. Similarly, promising results are obtained when applied in OER catalysis. A relatively low overpotential at 10 mA cm⁻² of 412 mV, a Faraday efficiency of 98 % for oxygen evolution, and an outstanding Tafel slope of 64 mV dec⁻¹ are combined with a superior stability.

The mechanical interlocking of glutaconamides is crucial for their chemoselective oxidation to β,γ-unsaturated α-ketoamides. These unprecedented species were satisfactorily employed in blue-light-driven cyclizations to divergently provide hydroxy-2-azetidinones or oxazolidinones through two modes of the Norrish/Yang type-II reaction. This behavior starkly differs from that of the non-interlocked substrates under the same reaction conditions.

The first electrochemical Co^II-catalyzed enantioselective C−H alkoxylation is reported. A broad range of alkoxylated phosphinamides were obtained in good yields with excellent enantioselectivities (up to 98 % yield and >99 % ee). A cobalt(III) alcohol complex was prepared and characterized, and was found to be a key intermediate in this reaction. Mechanistic studies revealed that the oxidation of Co^III to Co^IV was facilitated by a base.

A new protocol for diastereoselective cyclopropanation from unactivated alkenes and acidic carbon pronucleophiles is reported. The method is scalable and amenable to synthesis of medicinally relevant molecules.

A dimer acceptor with flexible linker was designed and synthesized, which not only acts as the third component to enhance the intermolecular packing, but also stabilize the morphology by suppressing the molecular diffusion. As a result, the PM6 : Y6 : dT9TBO based organic solar cells exhibited a high power conversion efficiency of 18.41 % with excellent thermal/photo stability and mechanical performance.

A radical/polar crossover manifold permits annulations between allylarenes and Giese-type accepters, providing a route to functionalized tetralins. The reaction conditions are mild and therefore exhibit significant functional group tolerance. The annulation products are formally cycloadducts of styrenes and electron-deficient alkenes, and they can be used to form a variety of strained ring products.

Das metallorganische Schlüsselmolekül Cp*₂Si(II) war immer der Sonderling unter den schweren Homologen. Im festen Zustand gibt es kontraintuitiv ein lineares Molekül neben zwei gewinkelten Molekülen. Während letzteres stabiler ist, wurde das lineare Konformer hauptsächlich auf unpräzise Packungseffekte zurückgeführt. Jetzt ist klar, dass die Linearität der Entropie in der Raumtemperaturphase zuzuschreiben ist, während die Winkelung auf die Dispersion der Ringe in der 80 K-Phase zurückzuführen ist.

Die Möglichkeit, dreifach stereogene C−S-Atropisomere katalytisch anzusteuern, wird beschrieben. Eine katalytische Oxidationssequenz verläuft ausgehend von Triptycylthioethern über Sulfoxide zu Sulfonen mit einer stereogenen C(sp³)−S-Achse mit einem hohen Maß an Enantio- und Diastereokontrolle, wobei Stereodivergenz zu jedem der drei Atropisomere möglich war.