Results 181 to 190 of about 5,566 (287)

Ruthenium‐Catalyzed Nitrile‐Acrylate Reductive Coupling by 2‐Propanol: Synthesis of Enantioenriched β‐Amino Esters

open access: yesAngewandte Chemie, EarlyView.
The first nitrile reductive couplings beyond stoichiometric metals or metalloids are described. Using a ruthenium catalyst derived from RuHCl(CO)(PPh3)3 and Cy‐BIPHEP, 2‐propanol‐mediated reductive coupling of phenyl acrylate with aromatic or aliphatic nitriles delivers α,β‐unsaturated β‐amino esters.
Sebastian Höthker   +3 more
wiley   +2 more sources

Zirkuläre, Photogeschützte mRNA für Lichtinduzierte Aktivierung der Translation zu späten Zeitpunkten

open access: yesAngewandte Chemie, EarlyView.
Eine klickbare, photogeschützte 5′‐Kappe (CyCliCap) zur Herstellung von zyklischer, Click‐Cap enthaltender mRNA (Cyclic Click Cap‐mRNA), die bis zur Bestrahlung beachtlich stabil und translational stumm ist, ermöglicht die Aktivierung der Translation in Zellen zu späten Zeitpunkten mittels Lichts. ZUSAMMENFASSUNG mRNA ist eine neue Impfstofftechnologie
Bayram Terzi   +6 more
wiley   +1 more source

Role of Anionic Surfactants in the Synthesis of Smart Microgels Based on Different Acrylamides

open access: yesACS Omega, 2017
Bastian Wedel   +3 more
doaj   +1 more source

Encoding and Encryption via Dual‐Wavelength 3D Digital Light Processing

open access: yesAngewandte Chemie International Edition, EarlyView.
Multi‐wavelength 3D DLP printing enables information encoding that can be encrypted on demand by applying orthogonal stimuli within a single material to trigger complementary responses. The 405 nm LED of the printer fabricates complex 3D geometries, while the 365 nm LED activates spiropyrans photochromism to program information into the structure ...
Finn Kröger   +2 more
wiley   +1 more source

Mechanistic Diversity in Photoexcited Radical Redox Chemistry: A Critical Evaluation

open access: yesAngewandte Chemie International Edition, EarlyView.
Many high‐profile examples of photoredox catalysis are proposed to proceed via excitation of an open‐shell intermediate form of the catalyst. However, there is much debate over whether such mechanisms are realistic and, if so, exactly how they can occur.
Samuel J. Horsewill   +3 more
wiley   +1 more source

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