Publications associées à Époxyde

Polyimidazolium Salts: Robust Catalysts for the Cycloaddition of Carbon Dioxide into Carbonates in Solvent-Free Conditions

Paul Joseph Dyson, Zhaofu Fei, Felix Daniel Bobbink, Wei Zhong

There is a growing interest in sustainable heterogeneous catalysts based on organic polymers. Here, we describe a series of polyimidazolium salt catalysts, prepared from the direct reaction of arene- bridged bis- and tris-alkyl halides with trimethylsilyli ...

Wiley-V C H Verlag Gmbh2017

Enantioselective Total Synthesis of (−)-Terengganensine A

Qian Wang, Jieping Zhu, Cyril Piemontesi

A seven-step enantioselective total synthesis of (-)-terengganensine A, a complex heptacyclic monoterpene indole alkaloid, was accomplished. Key steps included: a) Noyori's catalytic enantioselective transfer hydrogenation of the iminium salt to set up the ...

Wiley-Blackwell2016

Effects of Grafting Density and Film Thickness on the Adhesion of Staphylococcus epidermidis to Poly(2-hydroxy ethyl methacrylate) and Poly(poly(ethylene glycol)methacrylate) Brushes

Harm-Anton Klok, Sorin Alexandru Ibanescu

Thin polymer films that prevent the adhesion of bacteria are of interest as coatings for the development of infection-resistant biomaterials. This study investigates the influence of grafting density and film thickness on the adhesion of Staphylococcus epi ...

Wiley-Blackwell2016

Synthesis of Functionalized Epoxides by Copper-Catalyzed Alkylative Epoxidation of Allylic Alcohols with Alkyl Nitriles

Qian Wang, Jieping Zhu, Ala Bunescu

A copper-catalyzed oxyalkylation of allylic alcohols using nonactivated alkyl nitriles as reaction partners was developed. A sequence involving generation of an alkyl nitrile radical followed by its addition to a double bond and a copper-mediated formation ...

Amer Chemical Soc2015

Copper-Catalyzed Intermolecular Carboetherification of Unactivated Alkenes by Alkyl Nitriles and Alcohols

Qian Wang, Jieping Zhu, Claire Chatalova Sazepin

A three-component carboetherification of unactivated alkenes has been developed allowing the rapid building of complexity from simple starting materials. A wide range of a-substituted styrenes underwent smooth reactions with unactivated alkyl nitriles and ...

Wiley-Blackwell2015

Fracture Toughness Healing in Epoxy Containing Both Epoxy and Amine Loaded Capsules

Véronique Michaud, Sam Neuser

The feasibility of self-healing epoxy matrices using the same chemistry as the matrix material, namely a standard epoxy-amine system, is demonstrated. The two-component self-healing system is encapsulated in core-shell structures using standard in situ cur ...

Wiley-V C H Verlag Gmbh2014

Enantioselective Dehydrochlorination of delta-Hexachlorocyclohexane and delta-Pentachlorocyclohexene by LinA1 and LinA2 from Sphingobium indicum B90A

Christof Holliger

delta-Hexachlorocyclohexane (delta-HCH), one of the prevalent isomers of technical HCH, was enantioselectively dehydrochlorinated by the dehydrochlorinases LinA1 and LinA2 from Sphingobium indicum B90A to the very same delta-pentachlorocyclohexene enantiom ...

American Society for Microbiology2013

Cycloaddition of CO2 to epoxides catalyzed by imidazolium-based polymeric ionic liquids

Paul Joseph Dyson, Gabor Laurenczy, Zhaofu Fei, Felix Daniel Bobbink, Ning Yan, Emilia Paunescu, Huizhen Liu, Hongbing Song, Saeideh Ghazali Esfahani

A series of cross-linked ionic polymers based on styrene-functionalized imidazolium salts with chloride, hexafluorophosphate, or tetrafluoroborate counter anions have been prepared and characterized using a range of analytical and spectroscopic techniques ...

Royal Society of Chemistry2013

Atomic Oxygen Chemisorption on Carbon Nanotubes Revisited with Theory and Experiment

Wanda Andreoni, Fabio Pietrucci, Alessandro Curioni

Density-functional-theory based calculations of two single-walled carbon nanotubes of different chirality settle open issues on the sidewall chemisorption of atomic oxygen at low concentrations. Ether groups are the thermodynamically favored configurations ...

Amer Chemical Soc2013

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Époxyde

Polyimidazolium Salts: Robust Catalysts for the Cycloaddition of Carbon Dioxide into Carbonates in Solvent-Free Conditions

Enantioselective Total Synthesis of (−)-Terengganensine A

Effects of Grafting Density and Film Thickness on the Adhesion of Staphylococcus epidermidis to Poly(2-hydroxy ethyl methacrylate) and Poly(poly(ethylene glycol)methacrylate) Brushes

Synthesis of Functionalized Epoxides by Copper-Catalyzed Alkylative Epoxidation of Allylic Alcohols with Alkyl Nitriles

Copper-Catalyzed Intermolecular Carboetherification of Unactivated Alkenes by Alkyl Nitriles and Alcohols

Real Time Determination of the Electronic Structure of Unstable Reaction Intermediates during Au2O3 Reduction

Fracture Toughness Healing in Epoxy Containing Both Epoxy and Amine Loaded Capsules

Enantioselective Dehydrochlorination of delta-Hexachlorocyclohexane and delta-Pentachlorocyclohexene by LinA1 and LinA2 from Sphingobium indicum B90A

Cycloaddition of CO2 to epoxides catalyzed by imidazolium-based polymeric ionic liquids

Atomic Oxygen Chemisorption on Carbon Nanotubes Revisited with Theory and Experiment

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Chattez avec Graph Search

Polyimidazolium Salts: Robust Catalysts for the Cycloaddition of Carbon Dioxide into Carbonates in Solvent-Free Conditions

Enantioselective Total Synthesis of (−)-Terengganensine A

Copper-Catalyzed Intermolecular Carboetherification of Unactivated Alkenes by Alkyl Nitriles and Alcohols

Enantioselective Dehydrochlorination of delta-Hexachlorocyclohexane and delta-Pentachlorocyclohexene by LinA1 and LinA2 from Sphingobium indicum B90A

Atomic Oxygen Chemisorption on Carbon Nanotubes Revisited with Theory and Experiment

Real Time Determination of the Electronic Structure of Unstable Reaction Intermediates during Au2O3 Reduction

Synthesis of Functionalized Epoxides by Copper-Catalyzed Alkylative Epoxidation of Allylic Alcohols with Alkyl Nitriles

Effects of Grafting Density and Film Thickness on the Adhesion of Staphylococcus epidermidis to Poly(2-hydroxy ethyl methacrylate) and Poly(poly(ethylene glycol)methacrylate) Brushes

Fracture Toughness Healing in Epoxy Containing Both Epoxy and Amine Loaded Capsules

Cycloaddition of CO2 to epoxides catalyzed by imidazolium-based polymeric ionic liquids