Results 191 to 200 of about 174,602 (303)

Complexation of Divalent Metals by Natural Furoquinoline Alkaloids: An Electrospray Mass Spectrometry and DFT Study. [PDF]

Rapid Commun Mass Spectrom
Valdez MB, Palermo JA, D'Jonsiles F, Cabrera GM, Siless GE.   +4 more
europepmc   +1 more source

Light‐Enhanced Chloride Transport by Thiourea‐Appended Molecular Motor

Angewandte Chemie, EarlyView.
A molecular motor functionalized with a thiourea anion‐binding motif mediates transmembrane chloride transport. Light irradiation enhances transport efficiency by populating a more active metastable isomer, which slowly equilibrates to the initial stable isomer.
Abhishek Mondal, Sander J. Wezenberg
wiley   +1 more source

Remote Desaturation of Unprotected Amines and C─H Amination of Alkanes by Polarity‐Matched N‐Radical Cations

Angewandte Chemie, EarlyView.
Highly electrophilic N‐radical cations enable efficient and selective H‐atom transfer (HAT) of unprotected amines. In this exceedingly practical strategy, simple CuCl catalyzes an interrupted Hofmann–Löffler–Freytag (HLF) reaction to afford δ desaturated amines, aza‐heterocycles, and C─H aminated alkanes without protecting groups.
Pavitra Laohapaisan, Ross M. Dare, Meredith L. Rudich, Jacob J. A. Garwood, Siyuan Gong, R. Thomas Simons, David A. Nagib   +6 more
wiley   +1 more source

Rhenium‐Based β‐Galactosidase Probe Allows Senescence Profiling by Mass Cytometry

Angewandte Chemie, EarlyView.
Senescence‐associated β‐galactosidase (SA‐β‐Gal) activity is a widely accepted biomarker of cellular senescence, yet its integration with other senescence markers has been limited by available detection methods. Here, we introduce ReGal, a mass cytometry‐compatible SA‐β‐Gal activity probe that can be multiplexed with established markers of senescence ...
Adam Tam, Kris Elbein, Aleida G. Gonzalez, Edgar A. Arriaga, Mark Nitz   +4 more
wiley   +1 more source

A periodic system of polycyclic aromatic hydrocarbons for predictive molecular growth processes. [PDF]

Chem Sci
Li W, Ju H, Xu MG, Goettl SJ, Yang JZ, Zhao L, Kaiser RI.   +6 more
europepmc   +1 more source

Defined Dinuclear Nickel Sites on Mesoporous Silica Translate Molecular Surface Mimics to Heterogeneous Catalysis

Angewandte Chemie, EarlyView.
The cooperative reactivity characteristic of molecular dinuclear nickel complexes is transferred to mesoporous silica through a systematic immobilization strategy. The resulting material preserves the key features of the bimetallic motif within a robust heterogeneous framework, demonstrating how molecular design principles can be translated into well ...
Jitpisut Poolwong, Adrian Jenner, Eric Juriatti, Mustafa Turan, Manfred Manßen   +4 more
wiley   +1 more source

Computational Chemistry and Toxicology of Phosphonate Esters of Alkyl Acetoacetates, an Unexplored Class of V-Agents. [PDF]

Curr Issues Mol Biol
Pampalakis G, Pontiki E.
europepmc   +1 more source

Light‐Driven Out‐of‐Equilibrium Helicity Control in a Diarylethene–Helicene Photosystem

Angewandte Chemie, EarlyView.
Distinct energy landscapes of different helicities in the open and closed states of a diarylethene–helicene photoswitch enable a light‐driven energy ratchet. Helix inversion occurs selectively in the closed form, and the resulting helicity is transferred and kinetically trapped upon ring opening, generating a persistent out‐of‐equilibrium chiral state ...
Eric Sidler, Jinghao Wang, Christina Vallina, Ben L. Feringa   +3 more
wiley   +1 more source

Selective Synthesis of [2]Rotaxane Orientational Isomers With Precisely Arranged Luminogens: Toward Orientation-Dependent Emissions for Information Storage and Encryption. [PDF]

Angew Chem Int Ed Engl
Chen C, Song JL, Li X, Xu WT, Xu XQ, Sun YY, Wang XQ, Yang HB, Wang W.   +8 more
europepmc   +1 more source

Synergistic Silylium‐Ion and Palladium Catalysis Enables Migratory Alkene Silylation With Allylsilanes by Formal C–H/C–Si Metathesis

Angewandte Chemie, EarlyView.
Merging silylium‐ion and palladium catalysis provides a mechanistically distinct route to allylsilanes by formal C–H/Si–H metathesis. Using allylsilanes as silicon proelectrophiles, various allylarenes undergo migrative silylation, selectively yielding (E)‐allylsilanes.
Longhui Duan, Zheng‐Wang Qu, Stefan Grimme, Elisabeth Irran, Hendrik F. T. Klare, Martin Oestreich   +5 more
wiley   +1 more source