Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Hélène Gérard"'
Publikováno v:
ChemistrySelect. 7
Publikováno v:
ChemPhysChem. 22:788-795
An inner-sphere disproportionation mechanism of the Co(I) precursor CoCl(PPh3 )3 is described through a Density Functional Theory study. The essential role of oleylamine in this process is unravelled. A detailed analysis of the electronic structure o
Autor:
Benoit de Courcy, Baptiste Lecachey, Hélène Gérard, Jacques Maddaluno, Hassan Oulyadi, Anne Harisson-Marchand, Laetitia Palais, Muriel Durandetti, Emmanuel Vrancken, Samira Bouauli, Jean-Marc Campagne
Publikováno v:
Chemistry-A European Journal
Chemistry-A European Journal, Wiley-VCH Verlag, 2021, 27 (29), pp.7942-7950. ⟨10.1002/chem.202100596⟩
Chemistry-A European Journal, Wiley-VCH Verlag, 2021, 27 (29), pp.7942-7950. ⟨10.1002/chem.202100596⟩
International audience; The reaction of a silyl dienolate, a Cu(II) salt and TBAT yielding the corresponding copper dienolate is addressed. A combined NMR and cyclic voltammetry analysis first highlight the role of TBAT in the Cu(II) to Cu(I) reducti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14da0c679818f07e86cd291fe0d3090e
https://hal.archives-ouvertes.fr/hal-03440070/document
https://hal.archives-ouvertes.fr/hal-03440070/document
Autor:
Léo Birbaum, Isabelle Chataigner, Xavier Moreau, Guillaume Vincent, Hélène Gérard, Hassan Oulyadi, Laurent Gillard, Michaël De Paolis
Publikováno v:
Chemistry-A European Journal
Chemistry-A European Journal, Wiley-VCH Verlag, 2019, 25 (60), pp.13688-13693. ⟨10.1002/chem.201903455⟩
Chemistry-A European Journal, Wiley-VCH Verlag, 2019, 25 (60), pp.13688-13693. ⟨10.1002/chem.201903455⟩
International audience; 3‐Nitroindoles are easily reacted with highly substituted γ‐allenoates in the presence of a commercially available phosphine catalyst. For instance, allenoates derived from biomolecules such as amino and deoxycholic acids
Autor:
Fabrice Chemla, Karen de la Vega-Hernández, Hélène Gérard, Martin Oestreich, Juan Sanz García, Stéphanie Halbert, Alejandro Perez-Luna, Carolin Fopp, Olivier Jackowski, Frédéric Guégan, Franck Ferreira, Elise Romain
Publikováno v:
Advanced Synthesis and Catalysis
Advanced Synthesis and Catalysis, Wiley-VCH Verlag, 2021, 363 (10), pp.2634-2647. ⟨10.1002/adsc.202001566⟩
Advanced Synthesis and Catalysis, Wiley-VCH Verlag, 2021, 363 (10), pp.2634-2647. ⟨10.1002/adsc.202001566⟩
International audience; Aryl- and hetaryl-substituted acetylenes undergo regio- and stereoselective silylzincation by reaction with [(Me3Si)3Si]2Zn in the presence of Et2Zn (10–110 mol%) as additive. The distinctive feature of this addition across
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7149f4d835e21a2f8b9d16e43c576174
https://hal.sorbonne-universite.fr/hal-03236531/document
https://hal.sorbonne-universite.fr/hal-03236531/document
Autor:
Ourania Makrygenni, Alain Shum Cheong Sing, Hélène Gérard, Sabrina Taourit, Richard Villanneau, Anna Proust, Franck Launay, Louise Vanmairis
Publikováno v:
European Journal of Inorganic Chemistry
European Journal of Inorganic Chemistry, Wiley-VCH Verlag, 2020, 2020 (7), pp.605-612. ⟨10.1002/ejic.202000111⟩
European Journal of Inorganic Chemistry, Wiley-VCH Verlag, 2019, ⟨10.1002/ejic.201901152⟩
European Journal of Inorganic Chemistry, Wiley-VCH Verlag, 2020, 2020 (7), pp.605-612. ⟨10.1002/ejic.202000111⟩
European Journal of Inorganic Chemistry, Wiley-VCH Verlag, 2019, ⟨10.1002/ejic.201901152⟩
International audience; The catalytic performances of three organophosphonyle/arsonyle derivatives of POMs were evaluated for the epoxidation of limonene in acetonitrile, using aqueous H2O2 as the oxidant. All three W-based POMs catalysts operated wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7de5061d9ac40ea86c929e27ea31564
https://hal.univ-reunion.fr/hal-03199915
https://hal.univ-reunion.fr/hal-03199915
Publikováno v:
Journal of Molecular Modeling. 26
A simple numerical experiment is presented which allows tuning the lithium electrophilicity, a parameter strongly affected by the solvent and additives coordination. A series of coordination of Li+ to carbanions or polydentate nucleophiles is examine
Publikováno v:
Chemistry Africa. 1:79-86
Electronic contributions in electronic transitions and energetic data associated to the Mg-substitution in chlorophyll by three transition metals: chrom (Cr2+), iron (Fe2+) and nickel (Ni2+) have been studied theoretically using density functional th
Publikováno v:
Chemistry-A European Journal
Chemistry-A European Journal, Wiley-VCH Verlag, 2018, 24 (25), pp.6617-6624. ⟨10.1002/chem.201800099⟩
Chemistry-A European Journal, Wiley-VCH Verlag, 2018, 24 (25), pp.6617-6624. ⟨10.1002/chem.201800099⟩
International audience; Exchange of X (F, Cl, OMe) and a substituted enolate chain between SiMe3 and various CuI complexes was examined. Reaction mechanisms pass through a cyclic transition state in which the reaction coordinate is associated with ro
Autor:
Jeanne Crassous, Sophie Colombel-Rouen, Thomas Vives, Charlie Blons, Prasad L. Polavarapu, Sean N. Cuskelly, Marie S. T. Morin, Christophe Crévisy, Craig M. Williams, Paul V. Bernhardt, Thibault E. Schmid, Olivier Baslé, Thibault Reynaldo, Hélène Gérard, Marc Mauduit, Stéphanie Halbert, Cody L. Covington
Publikováno v:
Chemistry-A European Journal
Chemistry-A European Journal, 2017, 23 (31), pp.7515-7525. ⟨10.1002/chem.201606034⟩
Chemistry-A European Journal, Wiley-VCH Verlag, 2017, 23 (31), pp.7515-7525. ⟨10.1002/chem.201606034⟩
Chemistry-A European Journal, 2017, 23 (31), pp.7515-7525. ⟨10.1002/chem.201606034⟩
Chemistry-A European Journal, Wiley-VCH Verlag, 2017, 23 (31), pp.7515-7525. ⟨10.1002/chem.201606034⟩
International audience; The first stereocontrolled Cu-catalyzed sequential 1,6/1,4-asymmetric conjugate addition (ACA) of C-metalated hard nucleophiles to cyclic dienones is reported. The use of DiPPAM (diphenylphosphinoazomethinylate) followed by a