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Affichage des publications 391 à 400 sur 881 au total

Chimie

N-Heterocyclic Carbene-Catalyzed Synthesis of α-Trifluoromethyl Esters

The N-heterocyclic carbene (NHC)-catalyzed trifluoromethylation of α-chloro aldehydes was developed, allowing straightforward access to valuable α-trifluoromethyl ester derivatives. The unique combination of an electrophilic trifluoromethylation…

Fabien Gelat, A. Patra, Xavier Pannecoucke, A.T. Biju, Thomas Poisson, Tatiana Besset

Organic Letters -

ou physique

Fast 3D Microscopy Imaging of Contacts Between Surfaces Using a Fluorescent Liquid

A novel method is presented for the rapid direct 3D visualization of the contact between two surfaces by means of fluorescence microscopy using a fluorescent liquid. Distances between the surfaces of up to several hundred nanometers can be…

Dina Petrova, Bart Weber, Clémence Allain, Pierre Audebert, Daniel Bonn, Albert M Brouwer

ACS Applied Materials & Interfaces -

Chimie

A (Triphenylphosphine)Silver (I) Complex as a New Performance Additive in Free-Radical Photopolymerization under Air

Unusual photochemical properties of an Ag(I)-derived complex, i.e., bis[(µ-chloro)bis(triphenylphosphine)silver (I)] ([Ag](PPh3)) are demonstrated when used in free-radical photopolymerization reactions: i) [Ag](PPh3) can act as an innovative…

Pauline Sautrot-Ba, Nicolas Bogliotti, Arnaud Brosseau, Julie Bourgon, Pierre-Emmanuel Mazeran, Jacques Lalevee, Fabrice Morlet-Savary, Davy-Louis Versace

Macromolecular Materials and Engineering -

Chimie de coordination

The unsuspected influence of the pyridyl-triazole ligand isomerism upon the electronic properties of tricarbonyl rhenium complexes: An experimental and theoretical insight

Two isomeric tricarbonyl rhenium(i) complexes, ReL1 and ReL2, that possess a 2-pyridyl-1,2,n-triazole (pyta) ligand (n = 4 and 3, respectively) connected to a 2-phenylbenzoxazole (PBO) moiety, were synthesized in good yields. The X-ray structures…

Jinhui Wang, B. Delavaux-Nicot, Mariusz Wolff, Sonia Mallet-Ladeira, R. Métivier, Eric Benoist, Suzanne Fery-Forgues

Dalton Transactions -

Matériaux

TADF OLEDs with Circularly Polarized Luminescence

Organic Light-Emitting Diodes (OLEDs) based displays have already entered the mass production market thank to their outstanding properties such as light weight, fast response time, low power consumption and wide color gamut. However, the request in…

Sophie Feuillastre, Mathilde Pauton, L. Gao, Alaric Desmarchelier, Adrian J. Riives, G. Muller, Gilles Clavier, Denis Tondelier, Bernard Geffroy, Grégory Pieters

ICEL 2018 -

Chimie

Synthesis of 4-Difluoromethylquinolines by NHC-Catalyzed Umpolung of Imines

The N-heterocyclic carbene (NHC)-catalyzed umpolung of aldimines for the synthesis of 4-difluoromethylquinoline derivatives is reported. In the presence of NHCs, the intramolecular cyclization of aldimines bearing a moderately electron-poor double…

A. Patra, Fabien Gelat, Xavier Pannecoucke, Thomas Poisson, Tatiana Besset, A.T. Biju

Organic Letters -

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