Search Results - "Mostafa Taoufik"

Polyolefins, a Success Story by Sauter, Dominique W, Taoufik, Mostafa, Boisson, Christophe

“…This paper reports the principal discoveries which have played a major role in the polyolefin field and have positioned polyolefins as the most produced…”
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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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Direct conversion of trans-2-butene into a mixture of monomers with different composition over vanadium supported catalysts by Jessy, Abou Nakad, Nicolas, Berthet, Kai, Szeto, Aimery, De Mallman, Mostafa, Taoufik

“…Terpolymerization of 1,3-butadiene, ethylene and propylene became an important process to access EPDM rubbers materials with unique properties. Having a…”
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Highly Active Immobilized Catalyst for Ethylene Polymerization: Neutral Single Site Y(III) Complex Bearing Bulky Silylallyl Ligand by Chiari, Vittoria, Rouge, Pascal, Taam, Manel, Dugas, Pierre‐Yves, Pannier, Gaëlle, Boyron, Olivier, Szeto, Kai C., Mallmann, Aimery, Boisson, Christophe, Taoufik, Mostafa

“…Exploring the surface organometallic chemistry on silica of highly electrophilic yttrium complexes is a relatively uncommon endeavor, particularly when…”
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Metathesis of Alkanes and Related Reactions by Basset, Jean-Marie, Coperet, Christophe, Soulivong, Daravong, Taoufik, Mostafa, Cazat, Jean Thivolle

“…The transformation of alkanes remains a difficult challenge because of the relative inertness of the C−H and C−C bonds. The rewards for asserting synthetic…”
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“Hydro-metathesis” of Olefins: A Catalytic Reaction Using a Bifunctional Single-Site Tantalum Hydride Catalyst Supported on Fibrous Silica (KCC-1) Nanospheres by Polshettiwar, Vivek, Thivolle-Cazat, Jean, Taoufik, Mostafa, Stoffelbach, Francois, Norsic, Sebastien, Basset, Jean-Marie

“…Tantalizing hydrocarbons: Tantalum hydride supported on fibrous silica nanospheres (KCC‐1) catalyzes, in the presence of hydrogen, the direct conversion of…”
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Pd, Cu and Bimetallic PdCu NPs Supported on CNTs and Phosphine‐Functionalized Silica: One‐Pot Preparation, Characterization and Testing in the Semi‐Hydrogenation of Alkynes by Sánchez‐Resa, Daniel, Delgado, Jorge A., Fernández‐Martínez, Maria Dolores, Didelot, Chloé, De Mallmann, Aimery, Szeto, Kaï C., Taoufik, Mostafa, Claver, Carmen, Godard, Cyril

“…Triphenylphosphine stabilized Pd, Cu and PdCu nanocatalysts supported on carbon nanotubes (CNTs) or phosphorus functionalised silica (P−SiO2) were prepared via…”
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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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Non-Oxidative Coupling Reaction of Methane to Ethane and Hydrogen Catalyzed by the Silica-Supported Tantalum Hydride: (SiO)2Ta−H by Soulivong, Daravong, Norsic, Sébastien, Taoufik, Mostafa, Coperet, Christophe, Thivolle-Cazat, Jean, Chakka, Sudhakar, Basset, Jean-Marie

“…Silica-supported tantalum hydride, (SiO)2Ta−H (1), proves to be the first single-site catalyst for the direct non-oxidative coupling transformation of methane…”
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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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Ammonia and Dinitrogen Activation by Surface Organometallic Chemistry on Silica-Grafted Tantalum Hydrides by Chow, Catherine, Taoufik, Mostafa, Quadrelli, Elsje Alessandra

“…Ammonia N–H bond activation and dinitrogen N≡N cleavage with dihydrogen on an isolated metal atom have been achieved with the silica‐grafted TaIII and TaV…”
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NH3-Selective Catalytic Reduction of NOx to N2 over Ceria Supported WOx Based Catalysts: Influence of Tungsten Content by Imane El Arrouji, Cuirong Chen, Jamil Toyir, Cherif Larabi, Kai C. Szeto, Aimery de Mallmann, Mostafa Taoufik, Abdallah Oulmekki

“…A series of HPW/CeO2 catalysts generated from 12-tungstophosphoric acid, H3PW12O40 (HPW), supported on ceria and presenting different tungsten loadings (2,…”
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Enforcing Z-selectivity in olefin metathesis through use of catalysts grafted on well-defined phenolic hybrid material by Popoff, Nicolas, Szeto, Kai C., Merle, Nicolas, Espinas, Jeff, Pelletier, Jérémie, Lefebvre, Frederic, Thivolle-Cazat, Jean, Delevoye, Laurent, De Mallmann, Aimery, Gauvin, Regis M., Taoufik, Mostafa

“…[Display omitted] •New olefin metathesis catalysts were prepared by replacing surface silanol by phenol.•SOMC of a W-perhydrocarbyl on supported phenol.•SOMC…”
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Molecular Understanding of Alumina Supported Single-Site Catalysts by a Combination of Experiment and Theory by Joubert, Jérôme, Delbecq, Françoise, Sautet, Philippe, Le Roux, Erwan, Taoufik, Mostafa, Thieuleux, Chloé, Blanc, Frédéric, Copéret, Christophe, Thivolle-Cazat, Jean, Basset, Jean-Marie

“…The nature and structure of grafted organometallic complexes on γ-alumina are studied from a combination of experimental data (mass balance analysis, IR, NMR)…”
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Primary Products and Mechanistic Considerations in Alkane Metathesis by Basset, Jean Marie, Copéret, Christophe, Lefort, Laurent, Maunders, Barry M, Maury, Olivier, Le Roux, Erwan, Saggio, Guillaume, Soignier, Sophie, Soulivong, Daravong, Sunley, Glenn J, Taoufik, Mostafa, Thivolle-Cazat, Jean

“…Alkane metathesis, a reaction catalyzed by the silica-supported tantalum hydride [(⋮SiO)2Ta−H], 1, which transforms acyclic alkanes into their higher and lower…”
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Grafting Reaction of Platinum Organometallic Complexes on Silica-Supported or Unsupported Heteropolyacids by Legagneux, Nicolas, Jeanneau, Erwann, Thomas, Amélie, Taoufik, Mostafa, Baudouin, Anne, de Mallmann, Aimery, Basset, Jean-Marie, Lefebvre, Frédéric

“…Silica-supported Keggin-type heteropolyacids react with platinum(II) complexes displaying a Pt-CH3 group, leading to the evolution of methane and the formation…”
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Shifting From Ziegler-Natta to Philips-Type Catalyst? A Simple and Safe Access to Reduced Titanium Systems for Ethylene Polymerization by Popoff, Nicolas, Espinas, Jeff, Gouré, Eric, Boyron, Olivier, Le Roux, Erwan, Basset, Jean-Marie, Gauvin, Régis M., De Mallmann, Aimery, Taoufik, Mostafa

“…Silica‐supported titanium(IV) chloride is readily reduced by Mashima and co‐workers' reagent (1‐methyl‐3,6‐bis(trimethylsilyl)‐1,4‐cyclohexadiene) to afford…”
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Titanacalixarenes in Homogeneous Catalysis: Synthesis, Conformation and Catalytic Activity in Ethylene Polymerisation by Espinas, Jeff, Darbost, Ulrich, Pelletier, Jeremie, Jeanneau, Erwan, Duchamp, Christian, Bayard, François, Boyron, Olivier, Broyer, Jean-Pierre, Thivolle-Cazat, Jean, Basset, Jean-Marie, Taoufik, Mostafa, Bonnamour, Isabelle

“…Variously substituted titanacalixarenes were synthesised and tested for their performance as catalysts in ethylene polymerisation: p‐tert‐butylcalix[4]arene…”
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Development of Tungsten-Based Heterogeneous Alkane Metathesis Catalysts Through a Structure-Activity Relationship by Le Roux, Erwan, Taoufik, Mostafa, Copéret, Christophe, de Mallmann, Aimery, Thivolle-Cazat, Jean, Basset, Jean-Marie, Maunders, Barry M., Sunley, Glenn J.

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Preparation of Tripodal Vanadium Oxo-Organometallic Species Supported on Silica, [(≡SiO) 3 V(═O)], for Selective Nonoxidative Dehydrogenation of Propane by Abou Nakad, Jessy, Rajapaksha, Remy, Szeto, Kai C., De Mallmann, Aimery, Taoufik, Mostafa

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