Results 231 to 240 of about 266,857 (311)

Deazaalloxazines – Flavin Derivatives That Provide Reductive Photoredox Catalysis with Inert Substrates

open access: yesChemistry – A European Journal, EarlyView.
7,8‐Dimethoxy‐5‐aryl‐5‐deazaalloxazines (dAll) are new class of photostable, visible‐light‐absorbing flavin derivatives which are strongly reducible upon excitation with 400 nm light. It was demonstrated on difficult‐to‐reduce aryl halides like bromo‐, chloro‐ and fluoroanisoles which were transformed to phosphonates by reductive cross‐coupling with ...
Ivana Weisheitelová   +9 more
wiley   +1 more source

Utilization of Image Intensifiers in Astronomy

open access: diamond, 2012
S. Vítek   +3 more
openalex   +2 more sources

Metal‐Induced Tuning of Fullerene Reactivity: Application to Nucleophile Addition

open access: yesChemPhysChem, EarlyView.
A textbook case of how encapsulating an atom in a carbon cage can tune assembly reactivity based on partial charge distribution–exemplified by the classic nucleophilic attack. Endohedral metallofullerenes (EMFs) are a unique class of hybrid molecules formed by encapsulating metal atoms within carbon cages (fullerenes), giving rise to distinctive ...
Corentin Rossi   +3 more
wiley   +1 more source

Mid‐infrared Spectroscopy of Protonated Benzonitrile, 2‐Cyanonaphthalene, and 9‐Cyanoanthracene for Astrochemical Consideration

open access: yesChemPhysChem, EarlyView.
Experimental infrared absorption spectra of three protonated cyano‐substituted PAHs measured by infrared multiple photon dissociation using the free‐electron laser Free‐Electron Laser for Infrared eXperiments are studied. These spectra are compared to an emission spectrum measured by JWST, and the largest measured protonated cyano‐PAH, cyanoanthracene,
Anne P. Rasmussen   +6 more
wiley   +1 more source

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