Výsledky vyhledávání - "Olivier Chuzel"

Highly diastereoselective preparation of chiral NHC-boranes stereogenic at the boron atom

Autor: Béatrice Tuccio, Jean-Luc Parrain, Carlotta Figliola, Olivier Chuzel, Gaëlle Chouraqui, Paola Nava, Amel Abdou Mohamed, Clara Aupic

Publikováno v: Chemical Science
Chemical Science, 2019, 10 (26), pp.6524-6530. ⟨10.1039/C9SC01454C⟩
Chemical Science, The Royal Society of Chemistry, 2019, 10 (26), pp.6524-6530. ⟨10.1039/C9SC01454C⟩

Stereogenic main group elements, a promising strategy for metal-free enantioselective catalysis.
Stereogenic main group elements are clearly generating interest in the enantioselective catalysis field. Surprisingly, while chiral organoboron reag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9370bc45bfc4f60ae924b27c87078fc0
https://hal.science/hal-02149393

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Forming Weakly Interacting Multilayers of Graphene Using Atomic Force Microscope Tip Scanning and Evidence of Competition between Inner and Outer Raman Scattering Processes Piloted by Structural Defects

Autor: Cédric Pardanaud, Olivier Chuzel, A. de Andrés, Rafael Ramírez-Jiménez, D. Nikolaievskyi, Alexandre Merlen, Jean-Luc Parrain, Sylvain Clair, Katharina Gratzer, L. Patrone, P. Roubin

Publikováno v: Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, American Chemical Society, 2019, 10 (13), pp.3571-3579. ⟨10.1021/acs.jpclett.9b00564⟩
Journal of Physical Chemistry Letters, 2019, 10 (13), pp.3571-3579. ⟨10.1021/acs.jpclett.9b00564⟩
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[EN] We report on an alternative route based on nanomechanical folding induced by an AFM tip to obtain weakly interacting multilayer graphene (wi-MLG) from a chemical vapor deposition (CVD)-grown single-layer graphene (SLG). The tip first cuts and th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2de98382afda20698f3e30b466226b76
http://hdl.handle.net/10261/218075

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Enantioselective Catalysis by Chiral Isothioureas

Autor: Olivier Chuzel, Jérémy Merad, Cyril Bressy, Jean-Marc Pons

Publikováno v: European Journal of Organic Chemistry. 2016:5589-5610

This review covers recent developments relating to organocatalyzed transformations by chiral isothioureas (ITUs) since their original introduction by Birman in 2006. This class of nucleophilic heterocycles was first involved in anhydride activation i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b545b9056788d488b47e3700f9ae3329
https://doi.org/10.1002/ejoc.201600399

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Spatially resolved acyl transfer on surface by organo-catalytic scanning probe nanolithography (o-cSPL)

Autor: Jean-Luc Parrain, Olivier Chuzel, Lionel Patrone, Vincent Mesquita, Katharina Gratzer, Teodor Silviu Balaban, Julien Botton, Sylvain Clair, Cyril François

Publikováno v: Chemical Science
Chemical Science, 2018, 9 (18), pp.4280-4284. ⟨10.1039/c8sc00294k⟩
Chemical Science, The Royal Society of Chemistry, 2018, 9 (18), pp.4280-4284. ⟨10.1039/c8sc00294k⟩

Local and catalytic acyl transfer for multipatterning of surfaces.
Groundbreaking research done in the area of nanolithography makes it a versatile tool to produce nanopatterns for a broad range of chemical surface functionalization or physical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f868df80c8f09937627f0725048350d7
https://hal.science/hal-01794227

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Double Catalytic Kinetic Resolution (DoCKR) of Acyclic anti-1,3-Diols: The Additive Horeau Amplification

Autor: Olivier Chuzel, Cyril Bressy, Jérémy Merad, Prashant Borkar, Jean-Marc Pons, Frédéric Caijo, Jean-Luc Parrain

Publikováno v: Angewandte Chemie International Edition
Angewandte Chemie International Edition, Wiley-VCH Verlag, 2017, 56, pp.16052-16056. ⟨10.1002/anie.201709844⟩
Angewandte Chemie International Edition, 2017, 56, pp.16052-16056. ⟨10.1002/anie.201709844⟩

International audience; The concept of a synergistic double catalytic kinetic resolution (DoCKR) as described in this article was successfully applied to racemic acyclic anti-1,3-diols, a common motif in natural products. This process takes advantage

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::193248d7991ebda65f0d1d9310437347
https://hal.archives-ouvertes.fr/hal-01687281/file/Pub_CB_2bis.pdf

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Design, Synthesis, and Organocatalytic Activity of N-Heterocyclic Carbenes Functionalized with Hydrogen-Bond Donors in Enantioselective Reactions of Homoenolates

Autor: Olivier Chuzel, Yoann Coquerel, Damien Bonne, Jean Rodriguez, Mehdi Zaghouani, Faisal Nawaz

Publikováno v: European Journal of Organic Chemistry. 2013:8253-8264

A focused library of chiral imidazolinium salts functionalized with urea-type hydrogen-bond donor moieties has been prepared from the chiral pool. The corresponding N-heterocyclic carbenes were evaluated as organocatalysts in three enantioselective r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c57fc9ff4ed3043c06ef883fcb48557
https://doi.org/10.1002/ejoc.201301366

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Temporary Intramolecular Generation of Pyridine Carbenes in Metal‐Free Three‐Component CH Bond Functionalisation/Aryl‐Transfer Reactions

Autor: Jean Rodriguez, Faisal Nawaz, Laurence Charles, Damien Bonne, Yoann Coquerel, Michel Rajzmann, Olivier Chuzel, Kishor Mohanan

Publikováno v: Chemistry-A European Journal
Chemistry-A European Journal, Wiley-VCH Verlag, 2013, 19 (51), pp.17558-17583. ⟨10.1002/chem.201303359⟩
Chemistry-A European Journal, 2013, 19 (51), pp.17558-17583. ⟨10.1002/chem.201303359⟩

International audience; Nucleophilic addition of pyridines to benzyne generates zwitterionic adducts that evolve by a rapid intramolecular proton shift to produce the corresponding pyridine carbenes, N-phenyl pyrid-2-ylidenes. In the presence of elec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8a100482d220855595d1bca32f17de6
https://doi.org/10.1002/chem.201303359

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Straightforward and Controlled Shape Access to Efficient Macrocyclic Imidazolylboronium Anion Receptors

Autor: Momar Toure, Olivier Chuzel, Laurence Charles, Christophe Chendo, Stéphane Viel, Jean-Luc Parrain

Publikováno v: Chemistry-A European Journal
Chemistry-A European Journal, Wiley-VCH Verlag, 2016, 22 (8937-8942), ⟨10.1002/chem.201601174⟩
Chemistry-A European Journal, 2016, 22 (8937-8942), ⟨10.1002/chem.201601174⟩

International audience; Straightforward synthesis of air- and waterstable bis-cationic macrocyclic imidazolylboronium anion receptors is described herein. By taking advantage of the bulky and rigid 9-borabicyclo[3.3.1]-nonane (9-BBN) attaching point

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d06c760a3bb3e517d8362a1e30105fb1
https://pubmed.ncbi.nlm.nih.gov/27218819

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Catalytic Scanning Probe Nanolithography (cSPL): Control of the AFM Parameters in Order to Achieve Sub-100-nm Spatially Resolved Epoxidation of Alkenes Grafted onto a Surface

Autor: Cyril François, Teodor Silviu Balaban, Vincent Mesquita, Olivier Chuzel, Sylvain Clair, Mathieu Abel, Dmitry A. Valyaev, Lionel Patrone, Jean-Luc Parrain, Julien Botton

Publikováno v: Langmuir
Langmuir, American Chemical Society, 2016, 32, pp.4034-4042. ⟨10.1021/acs.langmuir.6b00543⟩
Langmuir, 2016, 32, pp.4034-4042. ⟨10.1021/acs.langmuir.6b00543⟩

International audience; Scanning probe lithography (SPL) appears to be a reliable alternative to the use of masks in traditional lithography techniques as it offers the possibility of directly producing specific chemical functionalities with nanoscal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50b4a3678858aadc598e5b0762f45e5d
https://hal.archives-ouvertes.fr/hal-01415128

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C1-Symmetric Monosubstituted Chiral Diene Ligands in Asymmetric Rhodium-Catalyzed 1,4-Addition Reactions

Autor: Olivier Chuzel, Hendrik Eijsberg, Thomas Gendrineau, Jean-Pierre Genêt, Sylvain Darses

Publikováno v: Angewandte Chemie International Edition
Angewandte Chemie International Edition, Wiley-VCH Verlag, 2008, 47 (40), pp.7669-7672. ⟨10.1002/anie.200803230⟩

International audience; One trumps two: Monosubstituted chiral bicyclo[2.2.2]octadiene ligands, derived from carvone, form complexes with rhodium to catalyze the asymmetric addition of boronic acid substrates to α,β-unsaturated ketones. The 1,4-add

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::292e963e90d337d49d0d30d56549ff23
https://doi.org/10.1002/anie.200803230

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