Search Results - "Pucino, Margherita"

Bridging the Gap between Industrial and Well‐Defined Supported Catalysts by Copéret, Christophe, Allouche, Florian, Chan, Ka Wing, Conley, Matthew P., Delley, Murielle F., Fedorov, Alexey, Moroz, Ilia B., Mougel, Victor, Pucino, Margherita, Searles, Keith, Yamamoto, Keishi, Zhizhko, Pavel A.

“…Many industrial catalysts contain isolated metal sites on the surface of oxide supports. Although such catalysts have been used in a broad range of processes…”
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Olefin metathesis: what have we learned about homogeneous and heterogeneous catalysts from surface organometallic chemistry? by Copéret, Christophe, Berkson, Zachariah J, Chan, Ka Wing, de Jesus Silva, Jordan, Gordon, Christopher P, Pucino, Margherita, Zhizhko, Pavel A

“…Since its early days, olefin metathesis has been in the focus of scientific discussions and technology development. While heterogeneous olefin metathesis…”
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Cationic Silica-Supported N-Heterocyclic Carbene Tungsten Oxo Alkylidene Sites: Highly Active and Stable Catalysts for Olefin Metathesis by Pucino, Margherita, Mougel, Victor, Schowner, Roman, Fedorov, Alexey, Buchmeiser, Michael R., Copéret, Christophe

“…Designing supported alkene metathesis catalysts with high activity and stability is still a challenge, despite significant advances in the last years…”
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A reactive coordinatively saturated Mo() complex: exploiting the hemi-lability of tris(-butoxy)silanolate ligands by Pucino, Margherita, Allouche, Florian, Gordon, Christopher P, Wӧrle, Michael, Mougel, Victor, Copéret, Christophe

“…Coordinatively unsaturated Mo( iii ) complexes have been identified as highly reactive species able to activate dinitrogen without the need for a sacrificial…”
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Silica‐Supported Molybdenum Oxo Alkylidenes: Bridging the Gap between Internal and Terminal Olefin Metathesis by Pucino, Margherita, Zhai, Feng, Gordon, Christopher P., Mance, Deni, Hoveyda, Amir H., Schrock, Richard R., Copéret, Christophe

“…Grafting a molybdenum oxo alkylidene on silica (partially dehydroxylated at 700 °C) affords the first example of a well‐defined silica‐supported Mo oxo…”
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Metal‐Surface Interactions and Surface Heterogeneity in ‘Well‐Defined’ Silica‐Supported Alkene Metathesis Catalysts: Evidences and Consequences by Pucino, Margherita, Liao, Wei‐Chih, Chan, Ka Wing, Lam, Erwin, Schowner, Roman, Zhizhko, Pavel A., Buchmeiser, Michael R., Copéret, Christophe

“…Here we present our observations on a peculiar kinetic behavior observed at low catalyst loadings for the metathesis of internal olefins on a highly active…”
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Eine Brücke zwischen industriellen und wohldefinierten Trägerkatalysatoren by Copéret, Christophe, Allouche, Florian, Chan, Ka Wing, Conley, Matthew P., Delley, Murielle F., Fedorov, Alexey, Moroz, Ilia B., Mougel, Victor, Pucino, Margherita, Searles, Keith, Yamamoto, Keishi, Zhizhko, Pavel A.

“…Viele industrielle Katalysatoren enthalten isolierte Metallzentren an der Oberfläche von Oxidträgern. Derartige Katalysatoren werden seit über 40 Jahren bei…”
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Strongly σ Donating Thiophenoxide in Silica-Supported Tungsten Oxo Catalysts for Improved 1‑Alkene Metathesis Efficiency by Mougel, Victor, Pucino, Margherita, Copéret, Christophe

“…We report the synthesis of tungsten oxo alkylidene complexes bearing bulky thiophenoxide ligands [W(O)(CHtBu)(SHMT)2(PMe2Ph)] and [W(O)(CHtBu)(SHMT)2]…”
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Promoting Terminal Olefin Metathesis with a Supported Cationic Molybdenum Imido Alkylidene N‐Heterocyclic Carbene Catalyst by Pucino, Margherita, Inoue, Mariko, Gordon, Christopher P., Schowner, Roman, Stöhr, Laura, Sen, Suman, Hegedüs, Csaba, Robé, Emmanuel, Tóth, Flórián, Buchmeiser, Michael R., Copéret, Christophe

“…Silica‐supported cationic Mo‐imido alkylidene N‐heterocyclic carbene catalysts, prepared by surface organometallic chemistry, display contrasting olefin…”
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A reactive coordinatively saturated Mo(iii) complex: exploiting the hemi-lability of tris(tert-butoxy)silanolate ligands† †Electronic supplementary information (ESI) available. CCDC 1826963–1826965, 1826967–1826969, 1826971–1826973. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c9sc01955c by Pucino, Margherita, Allouche, Florian, Gordon, Christopher P., Wӧrle, Michael, Mougel, Victor, Copéret, Christophe

“…Hemilabile tris( tert -butoxy)silanolate ligands allow stabilizing a mononuclear octahedral Mo( iii ) complex without quenching its reactivity towards small…”
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Silica‐Supported Cationic Tungsten Imido Alkylidene Stabilized by an N‐Heterocyclic Carbene Ligand Boosts Activity and Selectivity in the Metathesis of α‐Olefins by De Jesus Silva, Jordan, Mance, Deni, Pucino, Margherita, Benedikter, Mathis J., Elser, Iris, Buchmeiser, Michael R., Copéret, Christophe

“…A well‐defined silica‐supported cationic W imido alkylidene was prepared through surface organometallic chemistry. This catalyst shows preferential activity…”
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Boosting the Metathesis Activity of Molybdenum Oxo Alkylidenes by Tuning the Anionic Ligand σ Donation by De Jesus Silva, Jordan, Pucino, Margherita, Zhai, Feng, Mance, Deni, Berkson, Zachariah J, Nater, Darryl F, Hoveyda, Amir H, Copéret, Christophe, Schrock, Richard R

“…The catalytic performances of molecular and silica-supported molybdenum oxo alkylidene species bearing anionic O ligands [ORF9, OTPP, OHMT – where ORF9 =…”
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Dendritic polarizing agents for DNP SENS by Liao, Wei-Chih, Ong, Ta-Chung, Gajan, David, Bernada, Florian, Sauvée, Claire, Yulikov, Maxim, Pucino, Margherita, Schowner, Roman, Schwarzwälder, Martin, Buchmeiser, Michael R, Jeschke, Gunnar, Tordo, Paul, Ouari, Olivier, Lesage, Anne, Emsley, Lyndon, Copéret, Christophe

“…Dynamic Nuclear Polarization Surface Enhanced NMR Spectroscopy (DNP SENS) is an effective method to significantly improve solid-state NMR investigation of…”
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Corrigendum: Promoting Terminal Olefin Metathesis with a Supported Cationic Molybdenum Imido Alkylidene N‐Heterocyclic Carbene Catalyst by Pucino, Margherita, Inoue, Mariko, Gordon, Christopher P., Schowner, Roman, Stöhr, Laura, Sen, Suman, Hegedüs, Csaba, Robé, Emmanuel, Tóth, Flórián, Buchmeiser, Michael R., Copéret, Christophe

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Dendritic polarizing agents for DNP SENSElectronic supplementary information (ESI) available. See DOI: 10.1039/c6sc03139k by Liao, Wei-Chih, Ong, Ta-Chung, Gajan, David, Bernada, Florian, Sauvée, Claire, Yulikov, Maxim, Pucino, Margherita, Schowner, Roman, Schwarzwälder, Martin, Buchmeiser, Michael R, Jeschke, Gunnar, Tordo, Paul, Ouari, Olivier, Lesage, Anne, Emsley, Lyndon, Copéret, Christophe

“…Dynamic Nuclear Polarization Surface Enhanced NMR Spectroscopy (DNP SENS) is an effective method to significantly improve solid-state NMR investigation of…”
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Dendritic polarizing agents for DNP SENS† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c6sc03139k Click here for additional data file by Liao, Wei-Chih, Ong, Ta-Chung, Gajan, David, Bernada, Florian, Sauvée, Claire, Yulikov, Maxim, Pucino, Margherita, Schowner, Roman, Schwarzwälder, Martin, Buchmeiser, Michael R., Jeschke, Gunnar, Tordo, Paul, Ouari, Olivier, Lesage, Anne, Emsley, Lyndon, Copéret, Christophe

“…Dendrimer-shielded polarizing agents for the application of DNP SENS to reactive surfaces. Dynamic Nuclear Polarization Surface Enhanced NMR Spectroscopy (DNP…”
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Silica‐Supported Molybdenum Oxo Alkylidenes: Bridging the Gap between Internal and Terminal Olefin Metathesis by Pucino, Margherita, Zhai, Feng, Gordon, Christopher P., Mance, Deni, Hoveyda, Amir H., Schrock, Richard R., Copéret, Christophe

“…Grafting a molybdenum oxo alkylidene on silica (partially dehydroxylated at 700 °C) affords the first example of a well‐defined silica‐supported Mo oxo…”
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Berichtigung: Promoting Terminal Olefin Metathesis with a Supported Cationic Molybdenum Imido Alkylidene N‐Heterocyclic Carbene Catalyst by Pucino, Margherita, Inoue, Mariko, Gordon, Christopher P., Schowner, Roman, Stöhr, Laura, Sen, Suman, Hegedüs, Csaba, Robé, Emmanuel, Tóth, Flórián, Buchmeiser, Michael R., Copéret, Christophe

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Promoting Terminal Olefin Metathesis with a Supported Cationic Molybdenum Imido Alkylidene N‐Heterocyclic Carbene Catalyst by Pucino, Margherita, Inoue, Mariko, Gordon, Christopher P., Schowner, Roman, Stöhr, Laura, Sen, Suman, Hegedüs, Csaba, Robé, Emmanuel, Tóth, Flórián, Buchmeiser, Michael R., Copéret, Christophe

“…Silica‐supported cationic Mo‐imido alkylidene N‐heterocyclic carbene catalysts, prepared by surface organometallic chemistry, display contrasting olefin…”
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Eine Brücke zwischen industriellen und wohldefinierten Trägerkatalysatoren by Copéret, Christophe, Allouche, Florian, Chan, Ka Wing, Conley, Matthew P, Delley, Murielle F, Fedorov, Alexey, Moroz, Ilia B, Mougel, Victor, Pucino, Margherita, Searles, Keith, Yamamoto, Keishi, Zhizhko, Pavel A

“…Viele industrielle Katalysatoren enthalten isolierte Metallzentren an der Oberfläche von Oxidträgern. Derartige Katalysatoren werden seit über 40 Jahren bei…”
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