Search Results - "Gauvin, Régis"

Mechanistic Aspects of the Polymerization of Lactide Using a Highly Efficient Aluminum(III) Catalytic System by Robert, Carine, Schmid, Thibault E, Richard, Vincent, Haquette, Pierre, Raman, Sumesh K, Rager, Marie-Noelle, Gauvin, Régis M, Morin, Yohann, Trivelli, Xavier, Guérineau, Vincent, del Rosal, Iker, Maron, Laurent, Thomas, Christophe M

“…We report here a unique example of an in situ generated aluminum initiator stabilized by a C 2-symmetric salen ligand which shows a hitherto unknown high…”
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Controlling polymer stereochemistry in ring-opening polymerization: a decade of advances shaping the future of biodegradable polyesters by Tschan, Mathieu J-L, Gauvin, Régis M, Thomas, Christophe M

“…This review highlights recent developments in the field of biodegradable polymeric materials intended to replace non-degradable conventional plastics, focusing…”
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Non-Oxidative Propane Dehydrogenation by a Well-Defined Ga Catalyst Prepared by Surface Organometallic Chemistry by Abou Nakad, Jessy, Szeto, Kai C., de Mallmann, Aimery, Li, Li, Scott, Susannah L., Delevoye, Laurent, Gauvin, Régis M., Taoufik, Mostafa

“…Ga ions dispersed on alumina catalyze propane dehydrogenation (PDH). Their reactivity has been attributed to the presence of isolated Ga sites, while…”
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One‐Pot Catalytic Approaches: Building a New Toolbox for Macromolecular Design by Yang, Fan, Guillaume, Lucie, Gauvin, Régis M., Thomas, Christophe M.

“…One‐pot processes have emerged as a powerful strategy in (macro)molecular synthesis: integrating a multicatalytic process maximizes efficiency, reduces waste,…”
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High‐Field NMR, Reactivity, and DFT Modeling Reveal the γ‐Al2O3 Surface Hydroxyl Network by Merle, Nicolas, Tabassum, Tarnuma, Scott, Susannah L., Motta, Alessandro, Szeto, Kai, Taoufik, Mostafa, Gauvin, Régis Michaël, Delevoye, Laurent

“…Aluminas are strategic materials used in many major industrial processes, either as catalyst supports or as catalysts in their own right. The transition…”
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Palladium‐Catalyzed Functionalization of Kraft Lignin: Ether Linkages through the Telomerization Reaction by Dumont, Clément, Gauvin, Régis M., Belva, Frédéric, Sauthier, Mathieu

“…Kraft lignin was efficiently functionalized with octadienyl ether linkages through the palladium‐catalyzed telomerization of 1,3‐butadiene. Comparison with…”
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Well‐Defined Silica‐Supported Calcium Reagents: Control of Schlenk Equilibrium by Grafting by Gauvin, Régis M., Buch, Frank, Delevoye, Laurent, Harder, Sjoerd

“…Bound to stay heteroleptic: Grafting of homoleptic benzyl and amide calcium reagents onto silica affords well‐defined supported heteroleptic species,…”
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Catalytic Conversion of Alcohols into Carboxylic Acid Salts in Water: Scope, Recycling, and Mechanistic Insights by Zhang, Lei, Nguyen, Duc Hanh, Raffa, Guillaume, Trivelli, Xavier, Capet, Frédéric, Desset, Simon, Paul, Sébastien, Dumeignil, Franck, Gauvin, Régis M.

“…Invited for this month′s cover are the groups of Franck Dumeignil and Régis Gauvin at the University of Lille. The image illustrates the oxidation of alcohols…”
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Ethenolysis of Renewable Methyl Oleate Catalyzed by Readily Accessible Supported Group VI Oxo Catalysts by Rouge, Pascal, Szeto, Kai C, Bouhoute, Yassine, Merle, Nicolas, De Mallmann, Aimery, Delevoye, Laurent, Gauvin, Régis M, Taoufik, Mostafa

“…The conversion of methyl oleate by cross-metathesis with ethylene using readily accessible supported group VI oxo species was addressed. TON up to 500 and 5000…”
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Probing 29Si-17O connectivities and proximities by solid-state NMR by Pourpoint, Frédérique, Venel, Florian, Giovine, Raynald, Trébosc, Julien, Vancompernolle, Tom, Taoufik, Mostafa, Sarou-Kanian, Vincent, Gauvin, Régis M., Lafon, Olivier

“…[Display omitted] •First 2D 17O-29Si through-bond correlation in solids.•First measurement of 17O-29Si J- and dipolar coupling constants.•17O-29Si one-bond J-…”
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Bilirubin oxidase-based silica macrocellular robust catalyst for on line dyes degradation by Roucher, Armand, Roussarie, Elodie, Gauvin, Régis M., Rouhana, Jad, Gounel, Sébastien, Stines-Chaumeil, Claire, Mano, Nicolas, Backov, Rénal

“…[Display omitted] •Bilirubin oxidase was used to decolorize recalcitrant dyes at acid and neutral pH.•The enzyme was immobilized in highly porous silica based…”
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Polymerization of racemic beta-butyrolactone using supported catalysts: a simple access to isotactic polymers by Ajellal, Noureddine, Durieux, Guillaume, Delevoye, Laurent, Tricot, Grégory, Dujardin, Christophe, Thomas, Christophe M, Gauvin, Régis M

“…Grafting of [Ln(BH(4))(3)(THF)(3)] (Ln = La, Nd) onto silica affords materials containing well-identified bis(borohydride) surface species. The…”
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Well-Defined Supported Mononuclear Tungsten Oxo Species as Olefin Metathesis Pre-Catalysts by Bouhoute, Yassine, Garron, Anthony, Grekov, Denys, Merle, Nicolas, Szeto, Kai C., De Mallmann, Aimery, Del Rosal, Iker, Maron, Laurent, Girard, Guillaume, Gauvin, Régis M., Delevoye, Laurent, Taoufik, Mostafa

“…[WOCl4] was grafted on silica dehydroxylated at 200 °C, and the structure of the surface species was elucidated by a combination of spectroscopic and…”
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Selective Grafting of Ga(i-Bu)3 on the Silanols of Mesoporous H‑ZSM‑5 by Surface Organometallic Chemistry by Szeto, Kai C, Gallo, Alessandro, Hernández-Morejudo, Selene, Olsbye, Unni, De Mallmann, Aimery, Lefebvre, Frédéric, Gauvin, Régis M, Delevoye, Laurent, Scott, Susannah L, Taoufik, Mostafa

“…The reaction of triisobutylgallium toward meso-H-ZSM-5250, prepared by desilication of H-ZSM-5, has been studied by IR, high field solid-state NMR, and EXAFS…”
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The D-HMQC MAS-NMR Technique: An Efficient Tool for the Editing of Through-Space Correlation Spectra Between Quadrupolar and Spin-1/2 (31P, 29Si, 1H, 13C) Nuclei by Tricot, Gregory, Delevoye, Laurent, Trébosc, Julien, Gauvin, Régis, Pourpoint, Frédérique

“…The D-HMQC (dipolar heteronuclear multiple-quantum coherence) technique is a recently developed NMR pulse sequence particularly suitable for the investigation…”
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A New Life For Nitrile‐Butadiene Rubber: Co‐Harnessing Metathesis And Condensation For Reincorporation Into Bio‐Based Materials by Bekmirzaev, Jakhongir, Simon, Malaury, D'Aniello, Sara, Mazzeo, Mina, Cohen‐Janes, Sander J., Mathers, Robert T., Gauvin, Régis M., Thomas, Christophe M.

“…Efficient plastic recycling processes are crucial for the production of value‐added products or intermediates. Here, we present a multicatalytic route that…”
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An easily accessible Re-based catalyst for the selective conversion of methanol: evidence for an unprecedented active site structure through combined operando techniques by Yoboué, Anthony, Susset, Audrey, Tougerti, Asma, Gallego, Daniel, Ramani, Sudarsan Venkat, Kalyanikar, Malathi, Dolzhnikov, Dmitriy S, Wubshet, Sileshi G, Wang, Yilun, Cristol, Sylvain, Briois, Valérie, La Fontaine, Camille, Gauvin, Régis M, Paul, Jean-François, Berrier, Elise

“…Heterogeneous Re/SiO(2) catalysts prepared using a one pot sol-gel synthesis were found to display high activity in the direct, selective methanol conversion…”
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Well-Defined Silica-Supported Rare-Earth Silylamides by Gauvin, Régis M, Delevoye, Laurent, Hassan, Rahma Ali, Keldenich, Jérôme, Mortreux, André

“…Rare-earth silylamides [Ln{N(SiMe3)2}3] [1a− d, Ln = Y (1a), La (1b), Nd (1c), Sm (1d)] react with partially dehydroxylated silica to generate the singly…”
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Cover Picture: Catalytic Conversion of Alcohols into Carboxylic Acid Salts in Water: Scope, Recycling, and Mechanistic Insights (ChemSusChem 12/2016) by Zhang, Lei, Nguyen, Duc Hanh, Raffa, Guillaume, Trivelli, Xavier, Capet, Frédéric, Desset, Simon, Paul, Sébastien, Dumeignil, Franck, Gauvin, Régis M.

“…The Cover picture shows how ruthenium pincer complexes catalyze the oxidation of alcohols into carboxylic acids in water, which acts as the oxygen source while…”
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Inside Cover: Oxidative Transformations of Biosourced Alcohols Catalyzed by Earth‐Abundant Transition Metals (ChemCatChem 14/2017) by Nguyen, Duc Hanh, Morin, Yohann, Zhang, Lei, Trivelli, Xavier, Capet, Frédéric, Paul, Sébastien, Desset, Simon, Dumeignil, Franck, Gauvin, Régis M.

“…The Cover illustrates the conversion of alcohols into carboxylic acid salts using base‐metal pincer catalysts.In their Full Paper, D. H. Nguyen et al…”
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