Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Hélène Gérard"'
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:
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:
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:
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:
Charlie Blons, Renata Marcia de Figueiredo, Jimmy Lauberteaux, Jean-Marc Campagne, Hélène Gérard, Marc Mauduit, Christophe Crévisy, Olivier Baslé, Stéphanie Halbert
Publikováno v:
ChemCatChem
ChemCatChem, Wiley, 2019, 11 (16), pp.4108-4115. ⟨10.1002/cctc.201900233⟩
ChemCatChem, 2019, 11 (16), pp.4108-4115. ⟨10.1002/cctc.201900233⟩
ChemCatChem, Wiley, 2019, 11 (16), pp.4108-4115. ⟨10.1002/cctc.201900233⟩
ChemCatChem, 2019, 11 (16), pp.4108-4115. ⟨10.1002/cctc.201900233⟩
International audience; Four different catalytically active species are computationally examined in order to investigate the mechanism of Cu/DiPPAM-catalyzed 1,6-conjugate addition of dialkylzinc to acyclic dienones. A DiPPAM-bridged Cu(alkyl)-Zn(ace
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a513bc49f35ae725748fed869b0211d
https://hal-univ-rennes1.archives-ouvertes.fr/hal-02181830
https://hal-univ-rennes1.archives-ouvertes.fr/hal-02181830
Autor:
Anthony Vivien, Christophe Petit, Marc Petit, Hélène Gérard, Lynda Meziane, Caroline Salzemann, Stéphanie Halbert, Maya Guillaumont, Corinne Aubert
Publikováno v:
Chemistry of Materials
Chemistry of Materials, American Chemical Society, 2019, 31 (3), pp.960-968. ⟨10.1021/acs.chemmater.8b04435⟩
Chemistry of Materials, American Chemical Society, 2019, 31 (3), pp.960-968. ⟨10.1021/acs.chemmater.8b04435⟩
Herein is highlighted an original disproportionation mechanism for the formation of hexagonal closed packed cobalt nanoparticles starting from low-valent cobalt complexes. By coupling experimental ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1ac9b2ef2b17884c15dcbe664655586
https://hal.archives-ouvertes.fr/hal-02128663
https://hal.archives-ouvertes.fr/hal-02128663
Autor:
Hélène Gérard, Stéphanie Halbert
Publikováno v:
New Journal of Chemistry
New Journal of Chemistry, 2015, 39 (7), pp.5410-5419. ⟨10.1039/C5NJ00546A⟩
New Journal of Chemistry, Royal Society of Chemistry, 2015, 39 (7), pp.5410-5419. ⟨10.1039/C5NJ00546A⟩
New Journal of Chemistry, 2015, 39 (7), pp.5410-5419. ⟨10.1039/C5NJ00546A⟩
New Journal of Chemistry, Royal Society of Chemistry, 2015, 39 (7), pp.5410-5419. ⟨10.1039/C5NJ00546A⟩
International audience; A set of [Cu (I) L n (C 2 H 4)] q (q =-1, 0, or 1) complexes modelling systems of experimental interest were 5 studied by DFT calculations to analyze the Cu (I)-ethylene bonding using NBO and CDA analyses. All complexes are be
Autor:
Isabelle Chataigner, Hélène Gérard
Publikováno v:
Chemistry-A European Journal
Chemistry-A European Journal, 2017, 23 (55), pp.13711-13717. ⟨10.1002/chem.201701961⟩
Chemistry-A European Journal, Wiley-VCH Verlag, 2017, 23 (55), pp.13711-13717. ⟨10.1002/chem.201701961⟩
Chemistry-A European Journal, 2017, 23 (55), pp.13711-13717. ⟨10.1002/chem.201701961⟩
Chemistry-A European Journal, Wiley-VCH Verlag, 2017, 23 (55), pp.13711-13717. ⟨10.1002/chem.201701961⟩
International audience; Despite their apparent similarities, vinyl (thio)ethers and enamines display divergent reactivities toward nitroalkenes. Whereas [4+2] cycloadduct derivatives are generally obtained in the first case, a variety of adducts are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05345f44f0c9c11ce64223233442122c
https://normandie-univ.hal.science/hal-02046278
https://normandie-univ.hal.science/hal-02046278
Autor:
Lynda Meziane, Corinne Aubert, Caroline Salzemann, Marc Petit, Christophe Petit, Hélène Gérard
Publikováno v:
Nanoscale
Nanoscale, 2016, 8, pp.18640-18645 ⟨10.1039/C6NR05792F⟩
Nanoscale, Royal Society of Chemistry, 2016, 8, pp.18640-18645 ⟨10.1039/C6NR05792F⟩
Nanoscale, 2016, 8, pp.18640-18645 ⟨10.1039/C6NR05792F⟩
Nanoscale, Royal Society of Chemistry, 2016, 8, pp.18640-18645 ⟨10.1039/C6NR05792F⟩
International audience; Herein we describe the first synthesis of pure mono-disperse spherical hcp-nanocrystals ferromagnetic at room temperature. Our strategy, based on the simple combination of oleylamine and ClCo(PPh 3) 3 , allows the one-pot synt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29969665a505f5d5fab1e573cba94cc0
https://hal.sorbonne-universite.fr/hal-01393430/document
https://hal.sorbonne-universite.fr/hal-01393430/document
Publikováno v:
Chemical Physics Letters
Chemical Physics Letters, Elsevier, 2016, 663 (03), pp.27-32. ⟨10.1016/j.cplett.2016.09.053⟩
Chemical Physics Letters, Elsevier, 2016, 663 (03), pp.27-32. ⟨10.1016/j.cplett.2016.09.053⟩
In this paper, we examined the structural, electronic and energetic data associated to the Mg-substitution in chlorophyll by three major toxic pollutants: Cd 2+ , Hg 2+ and Pb 2+ . We evidenced a highly versatile bonding of the cations with the pheop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca474dbd640ad5c81887abe846c616a3
https://hal.archives-ouvertes.fr/hal-02129242
https://hal.archives-ouvertes.fr/hal-02129242