Results 241 to 250 of about 83,989 (313)

Organometallic‐polypeptide Block Copolymers: Synthesis and Crystallization‐driven Self‐assembly in Aqueous Solutions to Rod‐like and Plate‐like Micelles with Polypeptide Coronas

open access: yesChemistry – A European Journal, Volume 31, Issue 16, March 17, 2025.
The synthesis of an organometallic‐polypeptide block copolymer with a crystallizable polyferrocenyldimethylsilane block and a hydrophilic poly(L‐glutamic acid) block is systematically explored. Rod‐like and plate‐like micelles with polypeptide coronas form in aqueous solutions via crystallization‐driven self‐assembly.
Yishan Wang   +3 more
wiley   +1 more source

Fused Nitrogen Bridgehead N,O‐Acetals as Versatile Scaffolds: Synthetic Strategies, Mechanism and Applications

open access: yesChemistry – A European Journal, EarlyView.
Fused nitrogen‐bridgehead N,O‐acetals receive specific emphasis as pivotal scaffolds due to their significant role in the bioactivity of medicinally relevant molecules. Significant approaches have been reported on their role as key synthetic building blocks/motifs in the construction of complex organic molecules and their utility as chiral auxiliaries ...
Alexis D. Kouvelas   +2 more
wiley   +1 more source

Chemical Properties of an Aryloxenium Cation with a Triplet Electronic Ground State

open access: yesChemistry – A European Journal, Accepted Article.
Aryloxenium cations contain a formally positively‐charged, monovalent oxygen atom with an incomplete electron shell. In spite of this unusual structural element, they are key intermediates in many important processes, such as biological oxidation reactions and the industrial generation of thermoplastics.
Tuong V. Nguyen   +2 more
wiley   +1 more source

Pyrimidine‐Based Four‐Coordinate O^N^O Boron Complexes: Synthesis, Photophysical and Theoretical Studies, and TADF‐Based OLED Devices

open access: yesChemistry – A European Journal, EarlyView.
This article describes the synthesis, along with the full photophysical and computational characterization, of a series of push‐pull boron complexes comprising a sterically hindered donor connected to a pyrimidine‐based O^N^O boron chelate. Incorporation of the dimethylacridan derivative into an organic light‐emitting diode led to the observation of ...
Clément Diguet   +11 more
wiley   +1 more source

Effect of Chalcogen Interaction on the Structure of Methine‐Bridged Trichalcogenophenes

open access: yesChemistry – A European Journal, EarlyView.
The stereochemistry of methine‐bridged trichalcogenophenes was elucidated through comprehensive structural analyses. Trithiophene showed a strong preference for the ZZ configuration, whereas its trifuran analog exhibited a near‐statistical distribution of geometric isomers. X‐ray crystallography and computational studies revealed that intramolecular S··
Rio Nishimura, Ken‐ichi Yamashita
wiley   +1 more source

Minisci Reaction by an MW‐Boost: A Simple Protocol for Site‐Selective Dehydrogenative Cross‐Coupling Between Nitrogen‐Aromatics and C(sp3)─H Bonds

open access: yesChemistry – A European Journal, EarlyView.
The Minisci‐type cross‐coupling reaction between C─(sp3)─H bonds and nitrogen‐containing aromatics proceeded successfully using a simple protocol based on MW (microwave) irradiation with a persulfate anion. The MW/PS protocol is applicable to a wide variety of dehydrogenative cross‐coupling leading to the formation of alkylated heteroaromatics, in ...
Syuan‐Ping Jou   +4 more
wiley   +1 more source

Ultrasmall Gold Nanoparticles (2 nm) Decorated with a High Density of Photochemically Switchable Ligands

open access: yesChemistry – A European Journal, EarlyView.
Photoswitchable azo ligands can be conjugated to the surface of ultrasmall gold nanoparticles with a high density (about 50 ligands on each nanoparticle). Their photoswitching is not constrained by the binding to the gold surface and can be used to induce a nematic‐to‐isotropic phase transition in a liquid crystal.
Lisa‐Sofie Wagner   +7 more
wiley   +1 more source

Glycans and Chirality: Stereoselectivity at the Core of DC‐SIGN's Recognition. A Novel View of the Optimum Minimal Ligand Epitope

open access: yesChemistry – A European Journal, EarlyView.
The stereochemical diversity of the “glycan code” enables similar chiral motifs to arise from both D‐ and L‐sugars. Focused on DC‐SIGN–glycan recognition, two diverse monosaccharide scaffolds, D‐Man (D‐Rha) and L‐Gal (L‐Fuc), maintain the exquisite stereochemistry encoded in the minimal binding epitope.
J. Daniel Martínez   +7 more
wiley   +1 more source

Ecologic and Economic Evaluation of Combined Methanol Synthesis from CO2 and Biotechnological Upgrading to Value Products. Part 1: Environmental Impact

open access: yesChemie Ingenieur Technik, EarlyView.
The combination of methanol synthesis and biotechnological upgrading to value‐added products still faces some challenges in order to achieve a positive environmental impact and thus the goal of synergetic development of biotechnological and chemical processes.
Mehran Taherkhani   +3 more
wiley   +1 more source

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