1
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Fortier M, Lemyre J, Ancelin E, Oulyadi H, Driouich A, Vicré M, Follet-Gueye ML, Guilhaudis L. Development of a root exudate collection protocol for metabolomics analysis using Nuclear Magnetic Resonance. Plant Sci 2023; 331:111694. [PMID: 37004941 DOI: 10.1016/j.plantsci.2023.111694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
Large amounts of root exudates are released by plant roots into the soil. Due to their importance in regulating the rhizosphere properties, it is necessary to unravel the precise composition and function of exudates at the root-soil interface. However, obtaining root exudates without inducing artefacts is a difficult task. To analyse the low molecular weight molecules secreted by pea roots, a protocol of root exudate collection was developed to perform a metabolomics analysis using Nuclear Magnetic Resonance (NMR). To date a few NMR studies are dedicated to root exudates. Plant culture, exudates collection and sample preparation methods had thus to be adapted to the NMR approach. Here, pea seedlings were hydroponically grown. The obtained NMR fingerprints show that osmotic stress increases the quantity of the exudates but not their diversity. We therefore selected a protocol reducing the harvest time and using an ionic solvent and applied it to the analysis of faba bean exudates. NMR analysis of the metabolic profiles allowed to discriminate between pea and faba bean according to their exudate composition. This protocol is therefore very promising for studying the composition of root exudates from different plant species as well as their evolution in response to different environmental conditions or pathophysiological events.
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Affiliation(s)
- Mélanie Fortier
- Univ Rouen Normandie, Laboratoire COBRA (UMR 6014 & FR 3038), INSA de Rouen, CNRS, F-76000 Rouen, France; Univ Rouen Normandie, Laboratoire Glyco-MEV UR 4358, SFR Normandie Végétal FED 4277, F-76000 Rouen, France
| | - Julie Lemyre
- Univ Rouen Normandie, Laboratoire COBRA (UMR 6014 & FR 3038), INSA de Rouen, CNRS, F-76000 Rouen, France
| | - Edouard Ancelin
- Univ Rouen Normandie, Laboratoire Glyco-MEV UR 4358, SFR Normandie Végétal FED 4277, F-76000 Rouen, France
| | - Hassan Oulyadi
- Univ Rouen Normandie, Laboratoire COBRA (UMR 6014 & FR 3038), INSA de Rouen, CNRS, F-76000 Rouen, France
| | - Azeddine Driouich
- Univ Rouen Normandie, Laboratoire Glyco-MEV UR 4358, SFR Normandie Végétal FED 4277, F-76000 Rouen, France
| | - Maïté Vicré
- Univ Rouen Normandie, Laboratoire Glyco-MEV UR 4358, SFR Normandie Végétal FED 4277, F-76000 Rouen, France
| | - Marie-Laure Follet-Gueye
- Univ Rouen Normandie, Laboratoire Glyco-MEV UR 4358, SFR Normandie Végétal FED 4277, F-76000 Rouen, France.
| | - Laure Guilhaudis
- Univ Rouen Normandie, Laboratoire COBRA (UMR 6014 & FR 3038), INSA de Rouen, CNRS, F-76000 Rouen, France.
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2
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Hédouin M, Barthelemy AL, Vanthuyne N, Besrour H, Maddaluno J, Magnier E, Oulyadi H. NMR and DFT Studies with a Doubly Labelled 15 N/ 6 Li S-Trifluoromethyl Sulfoximine Reveal Why a Directed ortho-Lithiation Requires an Excess of n-BuLi. Angew Chem Int Ed Engl 2023; 62:e202214106. [PMID: 36377763 PMCID: PMC10108270 DOI: 10.1002/anie.202214106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Indexed: 11/16/2022]
Abstract
This work shows why it is imperious to use an excess of butyllithium for a directed ortho-lithiation of a trifluoromethyl sulfoximine. The analysis of mixtures of n-BuLi and sulfoximine 1 in THF-d8 using {1 H, 6 Li, 13 C, 15 N, 19 F} NMR experiments at low temperatures reveal that a first deprotonation occurs that leads to dimeric and tetrameric N-lithiated sulfoximine (93 : 7). Using an excess n-BuLi (5 equivalents), the second deprotonation on the ortho-position of the aromatic occurs. Six species were observed and characterized on the way. It includes three aggregates involving a sulfoximine: i) a [dilithiated sulfoximine/(n-BuLi)] dimer solvated by four molecules of THF (Agg2, 39 %); ii) a [dilithiated sulfoximine/(n-BuLi)3 ] tetramer solvated by six molecules of THF (Agg3, 39 %); iii) a [dilithiated sulfoximine/(n-BuOLi)3 ] tetramer solvated by four molecules of THF (Agg1, 22 %). A DFT study afforded optimized solvated structures for all these aggregates, fully consistent with the NMR data.
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Affiliation(s)
- Matthieu Hédouin
- Laboratoire COBRA (UMR 6014 & FR 3038), Normandie Université, UNIROUEN, INSA Rouen, CNRS Rue Tesniere, 76821, Mont Saint Aignan, France
| | - Anne-Laure Barthelemy
- Institut Lavoisier de Versailles (UMR 8180), Université Paris-Saclay, UVSQ, CNRS, 45 avenue des Etats-Unis, 78035, Versailles, France
| | - Nicolas Vanthuyne
- iSm2, UMR 7313, Aix Marseille Univ, CNRS, Centrale Marseille, AMUtech, 13288, Marseille, France
| | - Hend Besrour
- Laboratoire COBRA (UMR 6014 & FR 3038), Normandie Université, UNIROUEN, INSA Rouen, CNRS Rue Tesniere, 76821, Mont Saint Aignan, France
| | - Jacques Maddaluno
- Laboratoire COBRA (UMR 6014 & FR 3038), Normandie Université, UNIROUEN, INSA Rouen, CNRS Rue Tesniere, 76821, Mont Saint Aignan, France
| | - Emmanuel Magnier
- Institut Lavoisier de Versailles (UMR 8180), Université Paris-Saclay, UVSQ, CNRS, 45 avenue des Etats-Unis, 78035, Versailles, France
| | - Hassan Oulyadi
- Laboratoire COBRA (UMR 6014 & FR 3038), Normandie Université, UNIROUEN, INSA Rouen, CNRS Rue Tesniere, 76821, Mont Saint Aignan, France
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3
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Prykhodko Y, Martin A, Oulyadi H, Marais S, Fatyeyeva K. Polymer EVA-OH membrane with improved water/gas separation performance: Influence of VAc/VOH repeating units ratio on membrane physical chemical properties. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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4
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Pons A, Decaens J, Najjar R, Otog N, Arribat M, Jolly S, Couve-Bonnaire S, Sebban M, Coadou G, Oulyadi H, Speybrouck D, Iwasa S, Charette AB, Poisson T, Jubault P. Fluorocyclopropane-Containing Proline Analogue: Synthesis and Conformation of an Item in the Peptide Chemist's Toolbox. ACS Omega 2022; 7:4868-4878. [PMID: 35187307 PMCID: PMC8851640 DOI: 10.1021/acsomega.1c05337] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 12/10/2021] [Indexed: 05/27/2023]
Abstract
Over the years, numerous modifications to the structure of proline have been made in order to tune its effects on bioactive compounds. Notably, the introduction of a cyclopropane ring or a fluorine atom has produced interesting results. Herein, we describe the synthesis of a proline containing fluorocyclopropane. This modified amino acid was inserted into a tripeptide, whose conformation was studied by nuclear magnetic resonance and density functional theory calculations.
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Affiliation(s)
- Amandine Pons
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Jonathan Decaens
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Riham Najjar
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Nansalmaa Otog
- Department
of Applied Chemistry and Life Science, Toyohashi
University of Technology, 1-1 Hibarigaoka, Tempaku, Toyohashi, Aichi 441-8580, Japan
| | - Mathieu Arribat
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Sandrine Jolly
- Analytical
Sciences—Discovery Sciences, Janssen
Research & Development, a Division of Janssen-Cilag, Campus de Maigremont, CS10615, F-27106 Val de Reuil Cedex, France
| | - Samuel Couve-Bonnaire
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Muriel Sebban
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Gael Coadou
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Hassan Oulyadi
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - David Speybrouck
- Analytical
Sciences—Discovery Sciences, Janssen
Research & Development, a Division of Janssen-Cilag, Campus de Maigremont, CS10615, F-27106 Val de Reuil Cedex, France
| | - Seiji Iwasa
- Department
of Applied Chemistry and Life Science, Toyohashi
University of Technology, 1-1 Hibarigaoka, Tempaku, Toyohashi, Aichi 441-8580, Japan
| | - André B. Charette
- Centre
in Green Chemistry and Catalysis, Faculty of Arts and Sciences, Department
of Chemistry, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, Québec H3C3J7, Canada
| | - Thomas Poisson
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
- Institut
Universitaire de France, 1 rue Descartes, 75231 Paris, France
| | - Philippe Jubault
- Normandie
Université, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
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5
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Rkein B, Coffinier R, Powderly M, Manneveau M, Sanselme M, Durandetti M, Sebban M, Hamdoun G, Oulyadi H, Harrowven D, Legros J, Chataigner I. High Pressure promoted Dearomatization of Nitroarenes by [4+2] Cycloadditions with Silyloxydienes. Chem Commun (Camb) 2022; 58:11807-11810. [DOI: 10.1039/d2cc04778k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Simple nitroarenes such as nitronaphthalenes and nitroquinolines smoothly undergo dearomatizing [4+2] cycloadditions with silyloxydienes under 16 kbar. Highly functionalized 3-dimensional polycyclic adducts bearing a tetrasubstituted carbon centre at the ring...
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6
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Prykhodko Y, Martin A, Oulyadi H, Kobzar YL, Marais S, Fatyeyeva K. Imidazolium-based protic ionic liquids with perfluorinated anions: Influence of chemical structure on thermal properties. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117782] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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7
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Bourafai-Aziez A, Benabderrahmane M, Paysant H, Weiswald LB, Poulain L, Carlier L, Ravault D, Jouanne M, Coadou G, Oulyadi H, Voisin-Chiret AS, Sopková-de Oliveira Santos J, Sebban M. Drug Repurposing: Deferasirox Inhibits the Anti-Apoptotic Activity of Mcl-1. Drug Des Devel Ther 2021; 15:5035-5059. [PMID: 34949914 PMCID: PMC8688747 DOI: 10.2147/dddt.s323077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/27/2021] [Indexed: 11/30/2022] Open
Abstract
Introduction With the aim of repositioning commercially available drugs for the inhibition of the anti-apoptotic myeloid cell leukemia protein, Mcl-1, implied in various cancers, five molecules, highlighted from a published theoretical screening, were selected to experimentally validate their affinity toward Mcl-1. Results A detailed NMR study revealed that only two of the five tested drugs, Torsemide and Deferasirox, interacted with Mcl-1. NMR data analysis allowed the complete characterization of the binding mode of both drugs to Mcl-1, including the estimation of their affinity for Mcl-1. Biological assays evidenced that the biological activity of Torsemide was lower as compared to the Deferasirox, which was able to efficiently and selectively inhibit the anti-apoptotic activity of Mcl-1. Finally, docking and molecular dynamics led to a 3D model for the Deferasirox:Mcl-1 complex and revealed the positioning of the drug in the Mcl-1 P2/P3 pockets as well as almost all synthetic Mcl-1 inhibitors. Interestingly, contrary to known synthetic Mcl-1 inhibitors which interact through Arg263, Deferasirox, establishes a salt bridge with Lys234. Conclusion Deferasirox could be a potential candidate for drug repositioning as Mcl-1 inhibitor.
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Affiliation(s)
- Asma Bourafai-Aziez
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS Laboratoire COBRA (UMR 6014 & FR 3038), Rouen, 76000, France
| | | | - Hippolyte Paysant
- Normandie Université, UNICAEN, Inserm U1086 ANTICIPE «Interdisciplinary Research Unit for Cancer Prevention and Treatment», Biology and Innovative Therapeutics for Ovarian Cancers Group (BioTICLA), Centre de Lutte Contre le Cancer F. Baclesse, Caen, 14076, France.,UNICANCER, Centre de Lutte Contre le Cancer F. Baclesse, Caen, 14076, France
| | - Louis-Bastien Weiswald
- Normandie Université, UNICAEN, Inserm U1086 ANTICIPE «Interdisciplinary Research Unit for Cancer Prevention and Treatment», Biology and Innovative Therapeutics for Ovarian Cancers Group (BioTICLA), Centre de Lutte Contre le Cancer F. Baclesse, Caen, 14076, France.,UNICANCER, Centre de Lutte Contre le Cancer F. Baclesse, Caen, 14076, France
| | - Laurent Poulain
- Normandie Université, UNICAEN, Inserm U1086 ANTICIPE «Interdisciplinary Research Unit for Cancer Prevention and Treatment», Biology and Innovative Therapeutics for Ovarian Cancers Group (BioTICLA), Centre de Lutte Contre le Cancer F. Baclesse, Caen, 14076, France.,UNICANCER, Centre de Lutte Contre le Cancer F. Baclesse, Caen, 14076, France
| | - Ludovic Carlier
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Paris, France
| | - Delphine Ravault
- Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Paris, France
| | | | - Gaël Coadou
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS Laboratoire COBRA (UMR 6014 & FR 3038), Rouen, 76000, France
| | - Hassan Oulyadi
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS Laboratoire COBRA (UMR 6014 & FR 3038), Rouen, 76000, France
| | | | | | - Muriel Sebban
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS Laboratoire COBRA (UMR 6014 & FR 3038), Rouen, 76000, France
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8
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Chapple PM, Cartron J, Hamdoun G, Cordier M, Kahlal S, Oulyadi H, Carpentier JF, Saillard JY, Sarazin Y. Bonding analysis in ytterbium(II) distannyl and related tetryls. Dalton Trans 2021; 50:14273-14284. [PMID: 34553734 DOI: 10.1039/d1dt02355a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The syntheses of the ytterbium(II) distannyl [Yb{Sn(SiMe3)3}2·(thf)4] (Yb-Sn) and of its digermyl analogue [Yb{Ge(SiMe3)3}2·(thf)3] (Yb-Ge) are presented. The compounds were characterised by multinuclear high-resolution solution NMR spectroscopy, including 171Yb NMR, and by X-ray diffraction crystallography. The bonding and electronic properties of the two complexes, along with those of the known ytterbium(II) disilyl derivative [Yb{Si(SiMe3)3}2·(thf)3] (Yb-Si) and those of the congeneric calcium distannyl [Ca{Sn(SiMe3)3}2·(thf)4] (Ca-Sn), were investigated in detail by DFT calculations. This analysis points at a primarily ionic Yb-tetrel bonding, with a small covalent contribution, attributed principally to the 5d(Yb) participation. This weak covalent character is found to be larger for the distannyl Yb-Sn than for its lighter Si- and Ge-derivatives. The covalent component is also found to be greater in Yb-Sn than in Ca-Sn, due to the availability of the 5d(Yb) orbitals for bonding.
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Affiliation(s)
| | | | | | - Marie Cordier
- Univ Rennes, CNRS, ISCR-UMR 6226, 35000 Rennes, France.
| | - Samia Kahlal
- Univ Rennes, CNRS, ISCR-UMR 6226, 35000 Rennes, France.
| | - Hassan Oulyadi
- Normandie Université, Laboratoire COBRA (UMR 6014 & FR 3038), 76000 Rouen, France
| | | | | | - Yann Sarazin
- Univ Rennes, CNRS, ISCR-UMR 6226, 35000 Rennes, France.
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9
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Madau M, Morandi G, Rihouey C, Lapinte V, Oulyadi H, LE Cerf D, Dulong V, Picton L. A mild and straightforward one-pot hyaluronic acid functionalization through termination of poly-(2-alkyl-2-oxazoline). POLYMER 2021. [DOI: 10.1016/j.polymer.2021.124059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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10
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Chapple PM, Hamdoun G, Roisnel T, Carpentier JF, Oulyadi H, Sarazin Y. Bis(imino)carbazolate lead(II) fluoride and related halides. Dalton Trans 2021; 50:9021-9025. [PMID: 34160505 DOI: 10.1039/d1dt01615f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The versatility of a bulky bis(imino)carbazolate ligand in lead(ii) chemistry is illustrated by the synthesis of a soluble, heteroleptic lead(ii) fluoride and several halide (Cl, Br and I), amide and hydrocarbyl congeners. All complexes have been structurally authenticated, and a full set of 207Pb NMR data is discussed.
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Affiliation(s)
- Peter M Chapple
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Rennes F-35000, France.
| | | | - Thierry Roisnel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Rennes F-35000, France.
| | - Jean-François Carpentier
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Rennes F-35000, France.
| | - Hassan Oulyadi
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000 Rouen, France
| | - Yann Sarazin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Rennes F-35000, France.
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11
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Lecachey B, Palais L, de Courcy B, Bouauli S, Durandetti M, Oulyadi H, Harisson-Marchand A, Maddaluno J, Gérard H, Vrancken E, Campagne JM. Intertwined Analytical, Experimental and Theoretical Studies on the Formation and Structure of a Copper Dienolate. Chemistry 2021; 27:7942-7950. [PMID: 33780058 DOI: 10.1002/chem.202100596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Indexed: 11/06/2022]
Abstract
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) reduction and the structure of the precatalytic species. From these first results a second set of NMR and theoretical studies enable the determination of the structure and the mechanism of formation of the copper dienolate catalytic species. Finally, we showed that that the copper catalyst promote the E/Z s-cis/s-trans equilibration of the silyl dienolate precursor through a copper dienolate intermediate. All of these results unveil some peculiarities of the catalytic and asymmetric vinylogous Mukaiyama reaction.
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Affiliation(s)
| | - Laetitia Palais
- Normandie Univ., UNIROUEN, INSA Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Benoît de Courcy
- Sorbonne Université, CNRS, Laboratoire de Chimie Théorique, LCT, 75005, Paris, France
| | - Samira Bouauli
- Sorbonne Université, CNRS, Laboratoire de Chimie Théorique, LCT, 75005, Paris, France
| | - Muriel Durandetti
- Normandie Univ., UNIROUEN, INSA Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Hassan Oulyadi
- Normandie Univ., UNIROUEN, INSA Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Anne Harisson-Marchand
- Normandie Univ., UNIROUEN, INSA Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Jacques Maddaluno
- Normandie Univ., UNIROUEN, INSA Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Hélène Gérard
- Sorbonne Université, CNRS, Laboratoire de Chimie Théorique, LCT, 75005, Paris, France
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12
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Chapple PM, Cartron J, Hamdoun G, Kahlal S, Cordier M, Oulyadi H, Carpentier JF, Saillard JY, Sarazin Y. Metal-metal bonded alkaline-earth distannyls. Chem Sci 2021; 12:7098-7114. [PMID: 34123338 PMCID: PMC8153243 DOI: 10.1039/d1sc00436k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 03/19/2021] [Indexed: 01/23/2023] Open
Abstract
The first families of alkaline-earth stannylides [Ae(SnPh3)2·(thf) x ] (Ae = Ca, x = 3, 1; Sr, x = 3, 2; Ba, x = 4, 3) and [Ae{Sn(SiMe3)3}2·(thf) x ] (Ae = Ca, x = 4, 4; Sr, x = 4, 5; Ba, x = 4, 6), where Ae is a large alkaline earth with direct Ae-Sn bonds, are presented. All complexes have been characterised by high-resolution solution NMR spectroscopy, including 119Sn NMR, and by X-ray diffraction crystallography. The molecular structures of [Ca(SnPh3)2·(thf)4] (1'), [Sr(SnPh3)2·(thf)4] (2'), [Ba(SnPh3)2·(thf)5] (3'), 4, 5 and [Ba{Sn(SiMe3)3}2·(thf)5] (6'), most of which crystallised as higher thf solvates than their parents 1-6, were established by XRD analysis; the experimentally determined Sn-Ae-Sn' angles lie in the range 158.10(3)-179.33(4)°. In a given series, the 119Sn NMR chemical shifts are slightly deshielded upon descending group 2 from Ca to Ba, while the silyl-substituted stannyls are much more shielded than the phenyl ones (δ 119Sn/ppm: 1', -133.4; 2', -123.6; 3', -95.5; 4, -856.8; 5, -848.2; 6', -792.7). The bonding and electronic properties of these complexes were also analysed by DFT calculations. The combined spectroscopic, crystallographic and computational analysis of these complexes provide some insight into the main features of these unique families of homoleptic complexes. A comprehensive DFT study (Wiberg bond index, QTAIM and energy decomposition analysis) points at a primarily ionic Ae-Sn bonding, with a small covalent contribution, in these series of complexes; the Sn-Ae-Sn' angle is associated with a flat energy potential surface around its minimum, consistent with the broad range of values determined by experimental and computational methods.
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Affiliation(s)
| | | | - Ghanem Hamdoun
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | - Samia Kahlal
- Univ Rennes, CNRS, ISCR-UMR 6226 35000 Rennes France
| | - Marie Cordier
- Univ Rennes, CNRS, ISCR-UMR 6226 35000 Rennes France
| | - Hassan Oulyadi
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | | | | | - Yann Sarazin
- Univ Rennes, CNRS, ISCR-UMR 6226 35000 Rennes France
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13
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Danton F, Najjar R, Othman M, Lawson AM, Moncol J, Ghinet A, Rigo B, Oulyadi H, Daïch A. Site‐Selective Pd‐Catalysed Fujiwara‐Moritani type Reaction of
N,S
‐Heterocyclic Systems with Olefins. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Fanny Danton
- Normandie Univ UNILEHAVRE, CNRS, URCOM, 76600 Le Havre, France EA 3221 CNRS INC3M FR3030, UFS-ST 25 Rue Philippe Lebon, BP. 1123 76063 Le Havre Cedex France
| | - Riham Najjar
- Normandie Univ UNIROUEN, INSA Rouen, CNRS, COBRA 76000 Rouen France
| | - Mohamed Othman
- Normandie Univ UNILEHAVRE, CNRS, URCOM, 76600 Le Havre, France EA 3221 CNRS INC3M FR3030, UFS-ST 25 Rue Philippe Lebon, BP. 1123 76063 Le Havre Cedex France
| | - Ata Martin Lawson
- Normandie Univ UNILEHAVRE, CNRS, URCOM, 76600 Le Havre, France EA 3221 CNRS INC3M FR3030, UFS-ST 25 Rue Philippe Lebon, BP. 1123 76063 Le Havre Cedex France
| | - Ján Moncol
- Department of Inorganic Chemistry, Faculty of Chemical & Food Technology Slovak University of Technology Radlinského 9 SK-81237 Bratislava Slovakia
| | - Alina Ghinet
- Yncréa Hauts-de-France Laboratory of Sustainable Chemistry and Health Health & Environment Department Team Sustainable Chemistry Ecole des Hautes Etudes d'Ingénieur (HEI), UCLille 13 rue de Toul F-59046 Lille France
- Univ. Lille, Inserm CHU Lille, Institut Pasteur de Lille, U1167 – RID-AGE – Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement F-59000 Lille France
- Faculty of Chemistry, Department of Organic Chemistry ‘Al. I. Cuza' University of Iasi Bd. Carol I nr. 11 700506 Iasi Romania
| | - Benoît Rigo
- Yncréa Hauts-de-France Laboratory of Sustainable Chemistry and Health Health & Environment Department Team Sustainable Chemistry Ecole des Hautes Etudes d'Ingénieur (HEI), UCLille 13 rue de Toul F-59046 Lille France
- Univ. Lille, Inserm CHU Lille, Institut Pasteur de Lille, U1167 – RID-AGE – Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement F-59000 Lille France
| | - Hassan Oulyadi
- Normandie Univ UNIROUEN, INSA Rouen, CNRS, COBRA 76000 Rouen France
| | - Adam Daïch
- Normandie Univ UNILEHAVRE, CNRS, URCOM, 76600 Le Havre, France EA 3221 CNRS INC3M FR3030, UFS-ST 25 Rue Philippe Lebon, BP. 1123 76063 Le Havre Cedex France
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14
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Schlusselhuber M, Godard J, Sebban M, Bernay B, Garon D, Seguin V, Oulyadi H, Desmasures N. Corrigendum: Characterization of Milkisin, a Novel Lipopeptide With Antimicrobial Properties Produced By Pseudomonas sp. UCMA 17988 Isolated From Bovine Raw Milk. Front Microbiol 2020; 11:1323. [PMID: 32695075 PMCID: PMC7339953 DOI: 10.3389/fmicb.2020.01323] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 05/25/2020] [Indexed: 12/01/2022] Open
Affiliation(s)
| | - Justine Godard
- UNICAEN, UNIROUEN, ABTE, Normandie Université, Caen, France
| | - Muriel Sebban
- UNIROUEN, INSA Rouen, CNRS, COBRA, Normandie Université, Rouen, France
| | - Benoit Bernay
- UNICAEN, SF ICORE 4206, Normandie Université, Caen, France
| | - David Garon
- UNICAEN, UNIROUEN, ABTE, Normandie Université, Caen, France
| | | | - Hassan Oulyadi
- UNIROUEN, INSA Rouen, CNRS, COBRA, Normandie Université, Rouen, France
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15
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Migliore M, Bonvicini A, Tognetti V, Guilhaudis L, Baaden M, Oulyadi H, Joubert L, Ségalas-Milazzo I. Characterization of β-turns by electronic circular dichroism spectroscopy: a coupled molecular dynamics and time-dependent density functional theory computational study. Phys Chem Chem Phys 2020; 22:1611-1623. [PMID: 31894790 DOI: 10.1039/c9cp05776e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Electronic circular dichroism is one of the most used spectroscopic techniques for peptide and protein structural characterization. However, while valuable experimental spectra exist for α-helix, β-sheet and random coil secondary structures, previous studies showed important discrepancies for β-turns, limiting their use as a reference for structural studies. In this paper, we simulated circular dichroism spectra for the best-characterized β-turns in peptides, namely types I, II, I' and II'. In particular, by combining classical molecular dynamics simulations and state-of-the-art quantum time-dependent density functional theory (with the polarizable embedding multiscale model) computations, two common electronic circular dichroism patterns were found for couples of β-turn types (namely, type I/type II' and type II/type I'), at first for a minimal di-peptide model (Ace-Ala-Ala-NHMe), but also for all sequences tested with non-aromatic residues in the central positions. On the other hand, as expected, aromatic substitution causes important perturbations to the previously found ECD patterns. Finally, by applying suitable approximations, these patterns were subsequently rationalized based on the exciton chirality rule. All these results provide useful predictions and pave the way for a possible experimental characterization of β-turns based on circular dichroism spectroscopy.
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Affiliation(s)
- Mattia Migliore
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesnière, 76821 Mont St Aignan, Cedex, France.
| | - Andrea Bonvicini
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesnière, 76821 Mont St Aignan, Cedex, France.
| | - Vincent Tognetti
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesnière, 76821 Mont St Aignan, Cedex, France.
| | - Laure Guilhaudis
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesnière, 76821 Mont St Aignan, Cedex, France.
| | - Marc Baaden
- Laboratoire de Biochimie Théorique, CNRS, UPR9080, Univ. Paris Diderot, Sorbonne Paris Cité, PSL Research University, 13 rue Pierre et Marie Curie, 75005 Paris, France
| | - Hassan Oulyadi
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesnière, 76821 Mont St Aignan, Cedex, France.
| | - Laurent Joubert
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesnière, 76821 Mont St Aignan, Cedex, France.
| | - Isabelle Ségalas-Milazzo
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesnière, 76821 Mont St Aignan, Cedex, France.
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16
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Hedouin M, Harrison-Marchand A, Maddaluno J, Oulyadi H. Accurate measurement of effective Li–Li scalar coupling constants: the NMR missing link for alkyllithium aggregates. Chem Commun (Camb) 2020; 56:15565-15568. [DOI: 10.1039/d0cc06871c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Alkyllitium mixed aggregates: dynamics-free value of the 2JLi–Li as a simple access to various structural factors, including the dynamics, solvation and the steric hindrance of alkyl chains.
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Affiliation(s)
- Matthieu Hedouin
- Normandie Université
- UNIROUEN
- INSA de Rouen
- CNRS
- Laboratoire COBRA (UMR 6014 & FR 3038)
| | | | - Jacques Maddaluno
- Normandie Université
- UNIROUEN
- INSA de Rouen
- CNRS
- Laboratoire COBRA (UMR 6014 & FR 3038)
| | - Hassan Oulyadi
- Normandie Université
- UNIROUEN
- INSA de Rouen
- CNRS
- Laboratoire COBRA (UMR 6014 & FR 3038)
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17
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Bourafai-Aziez A, Sebban M, Benabderrahmane M, Marekha B, Denis C, Paysant H, Weiswald LB, Carlier L, Bureau R, Coadou G, Ravault D, Voisin-Chiret AS, Sopková-de Oliveira Santos J, Oulyadi H. Binding mode of Pyridoclax to myeloid cell leukemia-1 (Mcl-1) revealed by nuclear magnetic resonance spectroscopy, docking and molecular dynamics approaches. J Biomol Struct Dyn 2019; 38:4162-4178. [PMID: 31612791 DOI: 10.1080/07391102.2019.1680434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Myeloid cell leukemia-1 (Mcl-1) is an anti-apoptotic member of the Bcl-2 family proteins. Its amplification is one of the most frequent genetic aberrations found in human cancers. Pyridoclax, a promising BH3 mimetic inhibitor, interacts directly with Mcl-1 and induces massive apoptosis at a concentration of 15 µM in combination with anti-Bcl-xL strategies in chemo-resistant ovarian cancer cell lines. In this study, a combined experimental and theoretical approach was used to investigate the binding mode of Pyridoclax to Mcl-1. The representative poses generated from dynamics simulations compared with NMR data revealed: (i) Pyridoclax bound to P1 and P2 pockets of Mcl-1 BH3 binding groove through its styryl and methyl groups establishing mainly hydrophobic contacts, (ii) one of the ending pyridines interacts through electrostatic interaction with K234 side chain, a negatively charged residue present only in this position in Mcl-1. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- A Bourafai-Aziez
- CNRS Laboratoire COBRA (UMR 6014 & FR 3038), Normandie Université, UNIROUEN, INSA de Rouen, Rouen, France.,Normandie Université, UniCaen, CERMN, F-14000 Caen, France
| | - M Sebban
- CNRS Laboratoire COBRA (UMR 6014 & FR 3038), Normandie Université, UNIROUEN, INSA de Rouen, Rouen, France
| | | | - B Marekha
- Normandie Université, UniCaen, CERMN, F-14000 Caen, France
| | - C Denis
- Normandie Université, UniCaen, CERMN, F-14000 Caen, France
| | - H Paysant
- Normandie Université, UNICAEN, Inserm U1086 ANTICIPE « Interdisciplinary Research Unit for Cancer Prevention and Treatment », Biologie et Thérapies Innovantes des Cancers de l'ovaire (BioTICLA), Caen, France.,Centre de Lutte Contre le Cancer F. Baclesse, Unicancer, Caen, France
| | - L B Weiswald
- Normandie Université, UNICAEN, Inserm U1086 ANTICIPE « Interdisciplinary Research Unit for Cancer Prevention and Treatment », Biologie et Thérapies Innovantes des Cancers de l'ovaire (BioTICLA), Caen, France.,Centre de Lutte Contre le Cancer F. Baclesse, Unicancer, Caen, France
| | - L Carlier
- Laboratoire Des Biomolécules, LBM, Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Paris, France
| | - R Bureau
- Normandie Université, UniCaen, CERMN, F-14000 Caen, France
| | - G Coadou
- CNRS Laboratoire COBRA (UMR 6014 & FR 3038), Normandie Université, UNIROUEN, INSA de Rouen, Rouen, France
| | - D Ravault
- Laboratoire Des Biomolécules, LBM, Sorbonne Université, École Normale Supérieure, PSL University, CNRS, Paris, France
| | | | | | - H Oulyadi
- CNRS Laboratoire COBRA (UMR 6014 & FR 3038), Normandie Université, UNIROUEN, INSA de Rouen, Rouen, France
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18
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Birbaum L, Gillard L, Gérard H, Oulyadi H, Vincent G, Moreau X, De Paolis M, Chataigner I. Dearomatization of 3‐Nitroindoles with Highly γ‐Functionalized Allenoates in Formal (3+2) Cycloadditions. Chemistry 2019; 25:13688-13693. [DOI: 10.1002/chem.201903455] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/03/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Léo Birbaum
- UNIROUENINSA RouenCNRSCOBRANormandie Univ 76000 Rouen France
| | - Laurent Gillard
- UNIROUENINSA RouenCNRSCOBRANormandie Univ 76000 Rouen France
| | - Hélène Gérard
- CNRSLaboratoire de Chimie ThéoriqueLCT UMR7616Sorbonne Université 75005 Paris France
| | - Hassan Oulyadi
- UNIROUENINSA RouenCNRSCOBRANormandie Univ 76000 Rouen France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO)Univ. Paris-Sud, Université Paris-Saclay, CNRS UMR 8182 91405 Orsay cedex France
| | - Xavier Moreau
- Institut Lavoisier VersaillesUMR CNRS 8180Université de Versailles-St-Quentin-en-Yvelines, Université Paris Saclay 78035 Versailles cedex France
| | | | - Isabelle Chataigner
- UNIROUENINSA RouenCNRSCOBRANormandie Univ 76000 Rouen France
- CNRSLaboratoire de Chimie ThéoriqueLCT UMR7616Sorbonne Université 75005 Paris France
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19
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Perna FM, Falcicchio A, Salomone A, Milet A, Rizzi R, Hamdoun G, Barozzino‐Consiglio G, Stalke D, Oulyadi H, Capriati V. First Direct Evidence of an
ortho
‐Lithiated Aryloxetane: Solid and Solution Structure, and Dynamics. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900949] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Filippo M. Perna
- Dipartimento di Farmacia‐Scienze del Farmaco Università di Bari “Aldo Moro” Consorzio C.I.N.M.P.I.S. Via E. Orabona 4 70125 Bari Italy
| | - Aurelia Falcicchio
- Istituto di Cristallografia (IC‐CNR) Via Amendola 122/o 70125 Bari Italy
| | - Antonio Salomone
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali Università del Salento Prov.le Lecce‐Monteroni 73100 Lecce Italy
| | - Anne Milet
- Université Grenoble Alpes CNRS, DCM 38000 Grenoble France
| | - Rosanna Rizzi
- Istituto di Cristallografia (IC‐CNR) Via Amendola 122/o 70125 Bari Italy
| | - Ghanem Hamdoun
- Normandie Université, UNIROUEN INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038) Rouen France
| | | | - Dietmar Stalke
- Institut für Anorganische Chemie Universität Göttingen Tammannstrasse 6 37077 Göttingen Germany
| | - Hassan Oulyadi
- Normandie Université, UNIROUEN INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038) Rouen France
| | - Vito Capriati
- Dipartimento di Farmacia‐Scienze del Farmaco Università di Bari “Aldo Moro” Consorzio C.I.N.M.P.I.S. Via E. Orabona 4 70125 Bari Italy
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20
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Ţînţaş ML, Gembus V, Alix F, Barré A, Coadou G, Truong L, Sebban M, Papamicaël C, Oulyadi H, Levacher V. Rational design of carbamate-based dual binding site and central AChE inhibitors by a “biooxidisable” prodrug approach: Synthesis, in vitro evaluation and docking studies. Eur J Med Chem 2018; 155:171-182. [DOI: 10.1016/j.ejmech.2018.05.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 04/10/2018] [Accepted: 05/31/2018] [Indexed: 12/15/2022]
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21
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Abstract
Nuclear magnetic resonance (NMR) spectroscopy is the most widely used analytical technique to study the structure and dynamics of organolithium compounds, which are the most popular reagents in organic synthesis due to their great diversity and high reactivity. The main strength of this method is that it allows direct analysis in solution of the aggregation, dynamic, and solvation state of reactive intermediates. In this review, we present the NMR tools (nD) involving the 6Li isotope and DOSY experiments with internal references and illustrate their contribution in the structural and dynamic characterization of organolithium compounds in solution through some selected example.1 Introduction2 Advantages of the 6Li isotope3 NMR Experiments Involving the 6Li Isotope4 Diffusion Ordered NMR Experiments5 Application of NMR to the Structural Characterization of Organolithium Species6 Conclusion
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Affiliation(s)
- Hassan Oulyadi
- Normandie Université, Laboratoire COBRA, UMR6014 & FR3038 CNRS; Université de Rouen; INSA de Rouen
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22
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Schlusselhuber M, Godard J, Sebban M, Bernay B, Garon D, Seguin V, Oulyadi H, Desmasures N. Characterization of Milkisin, a Novel Lipopeptide With Antimicrobial Properties Produced By Pseudomonas sp. UCMA 17988 Isolated From Bovine Raw Milk. Front Microbiol 2018; 9:1030. [PMID: 29892273 PMCID: PMC5985324 DOI: 10.3389/fmicb.2018.01030] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 05/01/2018] [Indexed: 11/13/2022] Open
Abstract
Biosurfactants such as lipopeptides are amphiphilic compounds produced by microorganisms such as bacteria of the genera of Pseudomonas and Bacillus. Some of these molecules proved to have interesting antimicrobial, antiviral, insecticide, and/or tensioactive properties that are potentially useful for the agricultural, chemical, food, and pharmaceutical industries. Raw milk provides a physicochemical environment that is favorable to the multiplication of a broad spectrum of microorganisms. Among them, psychrotrophic bacterial species, especially members of the genus Pseudomonas, are predominant and colonize milk during cold storage and/or processing. We isolated the strain Pseudomonas sp. UCMA 17988 from raw cow milk, with antagonistic activity against Listeria monocytogenes, Staphylococcus aureus, and Salmonella enterica Newport. Antimicrobial molecules involved in the antagonistic activity of this strain were characterized. A mass spectrometry analysis highlighted the presence of four lipopeptides isoforms. The major isoform (1409 m/z), composed of 10 carbons in the lipidic chain, was named milkisin C. The three other isoforms detected at 1381, 1395, and 1423 m/z, that are concomitantly produced, were named milkisin A, B, and D, respectively. The structure of milkisin, as confirmed by nuclear magnetic resonance analyses, is closely related to amphisin family. Indeed, the peptidic chain was composed of 11 amino acids, 6 of which are conserved among the family. In conclusion, Pseudomonas sp. UCMA 17988 produces new members of the amphisin family which are responsible for the antagonistic activity of this strain.
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Affiliation(s)
| | - Justine Godard
- UNICAEN, UNIROUEN, ABTE, Normandie Université, Caen, France
| | - Muriel Sebban
- UNIROUEN, INSA Rouen, CNRS, COBRA, Normandie Université, Rouen, France
| | - Benoit Bernay
- UNICAEN, SF ICORE 4206, Normandie Université, Caen, France
| | - David Garon
- UNICAEN, UNIROUEN, ABTE, Normandie Université, Caen, France
| | | | - Hassan Oulyadi
- UNIROUEN, INSA Rouen, CNRS, COBRA, Normandie Université, Rouen, France
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23
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Guang J, Duwald R, Maddaluno J, Oulyadi H, Lakhdar S, Gaumont AC, Harrison-Marchand A. Synthesis and Identification of Aryl and Alkyl Gem-Dilithium Phosphido-Boranes: A Boost to the Chemistry of Phosphandiides. Chemistry 2018. [PMID: 29533492 DOI: 10.1002/chem.201800742] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jie Guang
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Romain Duwald
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Jacques Maddaluno
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Hassan Oulyadi
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Sami Lakhdar
- Normandie Université, ENSICAEN, UNICAEN, CNRS; Laboratoire LCMT (UMR 6507 & FR 3038); 14000 Caen France
| | - Annie-Claude Gaumont
- Normandie Université, ENSICAEN, UNICAEN, CNRS; Laboratoire LCMT (UMR 6507 & FR 3038); 14000 Caen France
| | - Anne Harrison-Marchand
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
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24
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Arfaoui A, Saâdi F, Bourafai Aziez A, Chebbi H, Fressigné C, Legros J, Oulyadi H, Maddaluno J, Amri H. Stereoselective synthesis of functionalized vinyl ethers from allyl bromides activated by triethylamine. SYNTHETIC COMMUN 2018. [DOI: 10.1080/00397911.2017.1420801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Aïcha Arfaoui
- Laboratoire de Synthèse Organique Sélective et Hétérocyclique-Evaluation de l’Activité Biologique, Faculté des Sciences de Tunis, Université de Tunis El Manar, Tunis, Tunisia
- INSA Rouen, UNIROUEN, CNRS, COBRA Laboratory (UMR 6014 & FR3038), Normandie Université, Rouen, France
| | - Fatma Saâdi
- Laboratoire de Synthèse Organique Sélective et Hétérocyclique-Evaluation de l’Activité Biologique, Faculté des Sciences de Tunis, Université de Tunis El Manar, Tunis, Tunisia
| | - Asma Bourafai Aziez
- Normandie Université, COBRA, UMR6014 and FR3038 CNRS, Université de Rouen, INSA de Rouen, Mont-Saint-Aignan, France
| | - Hammouda Chebbi
- Laboratoire de Matériaux, Cristallochimie et Thermodynamique Appliquée, Faculté des Sciences, Université de Tunis El Manar, Tunis, Tunisia
| | - Catherine Fressigné
- INSA Rouen, UNIROUEN, CNRS, COBRA Laboratory (UMR 6014 & FR3038), Normandie Université, Rouen, France
| | - Julien Legros
- INSA Rouen, UNIROUEN, CNRS, COBRA Laboratory (UMR 6014 & FR3038), Normandie Université, Rouen, France
| | - Hassan Oulyadi
- Normandie Université, COBRA, UMR6014 and FR3038 CNRS, Université de Rouen, INSA de Rouen, Mont-Saint-Aignan, France
| | - Jacques Maddaluno
- INSA Rouen, UNIROUEN, CNRS, COBRA Laboratory (UMR 6014 & FR3038), Normandie Université, Rouen, France
| | - Hassen Amri
- Laboratoire de Synthèse Organique Sélective et Hétérocyclique-Evaluation de l’Activité Biologique, Faculté des Sciences de Tunis, Université de Tunis El Manar, Tunis, Tunisia
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25
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Bonvicini A, Guilhaudis L, Tognetti V, Desmaële D, Sauvonnet N, Oulyadi H, Joubert L. Revisiting absorption and electronic circular dichroism spectra of cholesterol in solution: a joint experimental and theoretical study. Phys Chem Chem Phys 2018; 20:5274-5284. [PMID: 29405212 DOI: 10.1039/c7cp07713k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cholesterol is doubtless one of the most studied bio-molecules, which unfortunately features low emitting properties, precluding its in vivo study by fluorescence experiments. The design of fluorescent analogues of cholesterol is thus an appealing challenge in biochemistry, which simultaneously requires minor changes in its chemical structure (to retain main biological properties) and considerable enhancement of light emission. To this aim, the photochemical behaviour of the native molecule has to be deeply understood. In this work, we focused our attention on the electronic absorption of cholesterol in several common organic solutions, combining experimental (through ultraviolet-visible and electronic circular dichroism spectroscopy) and theoretical approaches (at the time-dependent density functional theory level) in order to solve the important discrepancies previously reported in the literature on the maximum absorption wavelengths and on the nature (Rydberg and/or π → π*) of the associated electronic transition.
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Affiliation(s)
- Andrea Bonvicini
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France.
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26
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Barozzino-Consiglio G, Hamdoun G, Fressigné C, Harrison-Marchand A, Maddaluno J, Oulyadi H. A Combined 1
H/6
Li NMR DOSY Strategy Finally Uncovers the Structure of Isopropyllithium in THF. Chemistry 2017; 23:12475-12479. [DOI: 10.1002/chem.201702990] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Indexed: 11/09/2022]
Affiliation(s)
| | - Ghanem Hamdoun
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Catherine Fressigné
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Anne Harrison-Marchand
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Jacques Maddaluno
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Hassan Oulyadi
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS; Laboratoire COBRA (UMR 6014 & FR 3038); 76000 Rouen France
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27
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Hamdoun G, Gouilleux B, Sebban M, Barozzino-Consiglio G, Harrison-Marchand A, Giraudeau P, Maddaluno J, Oulyadi H. 2D 7Li Ultrafast CT-COSY: a new tool for the rapid measurement of tiny homonuclear lithium scalar couplings. Chem Commun (Camb) 2017; 53:220-223. [DOI: 10.1039/c6cc08744b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report on the first examples of 7Li Ultrafast (UF) CT-COSY spectra from lithiated samples and on the usefulness of these experiments for the quantitative estimation of the 2J7Li–7Li in a much shorter time.
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Affiliation(s)
- G. Hamdoun
- Normandie Univ
- UNIROUEN
- INSA Rouen
- CNRS
- COBRA (UMR 6014 & FR 3038)
| | - B. Gouilleux
- CEISAM
- Université de Nantes
- UMR CNRS 6230
- 44322 Nantes
- France
| | - M. Sebban
- Normandie Univ
- UNIROUEN
- INSA Rouen
- CNRS
- COBRA (UMR 6014 & FR 3038)
| | | | | | - P. Giraudeau
- CEISAM
- Université de Nantes
- UMR CNRS 6230
- 44322 Nantes
- France
| | - J. Maddaluno
- Normandie Univ
- UNIROUEN
- INSA Rouen
- CNRS
- COBRA (UMR 6014 & FR 3038)
| | - H. Oulyadi
- Normandie Univ
- UNIROUEN
- INSA Rouen
- CNRS
- COBRA (UMR 6014 & FR 3038)
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28
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Golten S, Fontenelle CQ, Timofte RS, Bailac L, Light M, Sebban M, Oulyadi H, Linclau B. Enantioselective Synthesis of Dideoxy-tetrafluorinated Hexoses. J Org Chem 2016; 81:4434-53. [DOI: 10.1021/acs.joc.6b00302] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Samuel Golten
- Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom
| | - Clément Q. Fontenelle
- Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom
| | - Roxana S. Timofte
- Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom
| | - Laura Bailac
- Normandie Université, COBRA, UMR6014, and FR3038 CNRS,
Université de Rouen, INSA de Rouen, Mont-Saint-Aignan, Cedex 76821 France
| | - Mark Light
- Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom
| | - Muriel Sebban
- Normandie Université, COBRA, UMR6014, and FR3038 CNRS,
Université de Rouen, INSA de Rouen, Mont-Saint-Aignan, Cedex 76821 France
| | - Hassan Oulyadi
- Normandie Université, COBRA, UMR6014, and FR3038 CNRS,
Université de Rouen, INSA de Rouen, Mont-Saint-Aignan, Cedex 76821 France
| | - Bruno Linclau
- Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom
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29
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Bénéteau R, Boussonnière A, Rouaud JC, Lebreton J, Graton J, Jacquemin D, Sebban M, Oulyadi H, Hamdoun G, Hancock AN, Schiesser CH, Dénès F. Radical Cyclisation of α-Halo Aluminium Acetals: A Mechanistic Study. Chemistry 2016; 22:4809-24. [PMID: 26890896 DOI: 10.1002/chem.201504780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Indexed: 11/06/2022]
Abstract
α-Bromo aluminium acetals are suitable substrates for Ueno-Stork-like radical cyclisations affording γ-lactols and acid-sensitive methylene-γ-lactols in high yields. The mechanistic study herein sets the scope and limitation of this reaction. The influence of the halide (or chalcogenide) atom X (X=Cl, Br, I, SPh, SePh) in the precursors α-haloesters, as well as influence of the solvent and temperature was studied. The structure of the aluminium acetal intermediates resulting from the reduction of the corresponding α-haloesters has been investigated by low-temperature (13) C-INEPT diffusion-ordered NMR spectroscopy (DOSY) experiments and quantum calculations, providing new insights into the structures of these thermally labile intermediates. Oxygen-bridged dimeric structures with a planar Al2 O2 ring are proposed for the least hindered aluminium acetals, while monomeric structures seem to prevail for the most hindered species. A comparison against the radical cyclisation of aluminium acetals derived from allyl and propargyl alcohols with the parent Ueno-Stork has been made at the BHandHLYP/6-311++G(d,p) level of theory, highlighting mechanistic similarities and differences.
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Affiliation(s)
- Romain Bénéteau
- CEISAM UMR 6230 - UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière BP, 92208-44322, Nantes Cedex 3, France
| | - Anne Boussonnière
- CEISAM UMR 6230 - UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière BP, 92208-44322, Nantes Cedex 3, France
| | - Jean-Christophe Rouaud
- CEISAM UMR 6230 - UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière BP, 92208-44322, Nantes Cedex 3, France
| | - Jacques Lebreton
- CEISAM UMR 6230 - UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière BP, 92208-44322, Nantes Cedex 3, France
| | - Jérôme Graton
- CEISAM UMR 6230 - UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière BP, 92208-44322, Nantes Cedex 3, France
| | - Denis Jacquemin
- CEISAM UMR 6230 - UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière BP, 92208-44322, Nantes Cedex 3, France.,Institut Universitaire de France, 1, rue Descartes, 75231, Paris Cedex 05, France
| | - Muriel Sebban
- Normandie Université, COBRA UMR6014, FR3038, Université de Rouen; INSA de Rouen; CNRS, 76821, Mont-Saint-Aignan Cedex, France
| | - Hassan Oulyadi
- Normandie Université, COBRA UMR6014, FR3038, Université de Rouen; INSA de Rouen; CNRS, 76821, Mont-Saint-Aignan Cedex, France
| | - Ghanem Hamdoun
- Normandie Université, COBRA UMR6014, FR3038, Université de Rouen; INSA de Rouen; CNRS, 76821, Mont-Saint-Aignan Cedex, France
| | - Amber N Hancock
- School of Chemistry and, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Victoria, 3010, Australia
| | - Carl H Schiesser
- School of Chemistry and, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Victoria, 3010, Australia
| | - Fabrice Dénès
- CEISAM UMR 6230 - UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière BP, 92208-44322, Nantes Cedex 3, France.
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30
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Marroun S, Montaut S, Marquès S, Lafite P, Coadou G, Rollin P, Jousset G, Schuler M, Tatibouët A, Oulyadi H, Daniellou R. UGT74B1 from Arabidopsis thaliana as a versatile biocatalyst for the synthesis of desulfoglycosinolates. Org Biomol Chem 2016; 14:6252-61. [DOI: 10.1039/c6ob01003b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A glucosyltransferase is able to catalyze the formation of the thioglycosidic bond and lead to desulfoglycosinolates.
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Affiliation(s)
- Sami Marroun
- Normandie Univ
- COBRA
- UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS
- IRCOF
- 76821 Mont Saint Aignan Cedex
| | - Sabine Montaut
- Department of Chemistry and Biochemistry
- Biomolecular Sciences Programme
- Laurentian University
- Sudbury
- Canada
| | | | | | - Gaël Coadou
- Normandie Univ
- COBRA
- UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS
- IRCOF
- 76821 Mont Saint Aignan Cedex
| | | | | | | | | | - Hassan Oulyadi
- Normandie Univ
- COBRA
- UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS
- IRCOF
- 76821 Mont Saint Aignan Cedex
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Affiliation(s)
- Christophe Berini
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Muriel Sebban
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Hassan Oulyadi
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Morgane Sanselme
- Normandie Univ, Laboratoire SMS- EA3233, Univ Rouen, F-76821, Mont Saint Aignan, France
| | - Vincent Levacher
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Jean-François Brière
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
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32
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Barozzino-Consiglio G, Yuan Y, Fressigné C, Harrison-Marchand A, Oulyadi H, Maddaluno J. Enantioselective Alkynylation of Aldehydes by Mixed Aggregates of 3-Aminopyrrolidine Lithium Amides and Lithium Acetylides. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00647] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gabriella Barozzino-Consiglio
- Normandie Université, Laboratoire COBRA, UMR 6014 & FR 3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Yi Yuan
- Normandie Université, Laboratoire COBRA, UMR 6014 & FR 3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Catherine Fressigné
- Normandie Université, Laboratoire COBRA, UMR 6014 & FR 3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Anne Harrison-Marchand
- Normandie Université, Laboratoire COBRA, UMR 6014 & FR 3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Hassan Oulyadi
- Normandie Université, Laboratoire COBRA, UMR 6014 & FR 3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Jacques Maddaluno
- Normandie Université, Laboratoire COBRA, UMR 6014 & FR 3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
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33
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Barozzino-Consiglio G, Rouen M, Oulyadi H, Harrison-Marchand A, Maddaluno J. Probing solvent effects on mixed aggregates associating a chiral lithium amide and n-BuLi by NMR: from structure to reactivity. Dalton Trans 2015; 43:14219-28. [PMID: 24967702 DOI: 10.1039/c4dt01156b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An NMR study of a 1 : 1 mixture of a chiral lithium amide (4a) and n-BuLi shows that depending on the solvent employed (Et2O or THF) a mixed aggregate can form in proportions that are directly related to the ees measured during the enantioselective alkylation of o-tolualdehyde by these same species.
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Affiliation(s)
- Gabriella Barozzino-Consiglio
- CNRS, Université de Rouen, INSA de Rouen, UMR 6014 & FR 3038, Laboratoire COBRA, 76821 Mont Saint Aignan Cedex, France.
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34
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Hamdoun G, Sebban M, Tognetti V, Harrison-Marchand A, Joubert L, Maddaluno J, Oulyadi H. Alkyllithium Mixed Aggregates: Dynamic Behavior and Comprehensive Analysis of NMR 2J7Li–7Li Spin–Spin Coupling. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00162] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ghanem Hamdoun
- Normandie Université, COBRA, UMR6014 & FR3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Muriel Sebban
- Normandie Université, COBRA, UMR6014 & FR3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Vincent Tognetti
- Normandie Université, COBRA, UMR6014 & FR3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Anne Harrison-Marchand
- Normandie Université, COBRA, UMR6014 & FR3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Laurent Joubert
- Normandie Université, COBRA, UMR6014 & FR3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Jacques Maddaluno
- Normandie Université, COBRA, UMR6014 & FR3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
| | - Hassan Oulyadi
- Normandie Université, COBRA, UMR6014 & FR3038 CNRS, Université de Rouen, INSA de Rouen, 76821 Mont-Saint-Aignan Cedex, France
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35
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Leriche ED, Afonso C, Lange CM, Grossel MC, Truong L, Coadou G, Oulyadi H, Loutelier-Bourhis C. Glycine-modified polyamidoamine dendrimers: synthesis and structural characterization using nuclear magnetic resonance, ion-mobility mass spectrometry and capillary electrophoresis. RSC Adv 2014. [DOI: 10.1039/c3ra43939a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Hamdoun G, Sebban M, Cossoul E, Harrison-Marchand A, Maddaluno J, Oulyadi H. 1H Pure Shift DOSY: a handy tool to evaluate the aggregation and solvation of organolithium derivatives. Chem Commun (Camb) 2014; 50:4073-5. [DOI: 10.1039/c4cc00111g] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The first successful application of 1H PS-DOSY for a quantitative estimation of the degree of solvation and aggregation state of organolithium derivatives.
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Affiliation(s)
- G. Hamdoun
- Normandie Université
- COBRA, UMR6014 and FR3038 CNRS
- Université de Rouen
- INSA de Rouen
- 76821 Mont-Saint-Aignan Cedex, France
| | - M. Sebban
- Normandie Université
- COBRA, UMR6014 and FR3038 CNRS
- Université de Rouen
- INSA de Rouen
- 76821 Mont-Saint-Aignan Cedex, France
| | - E. Cossoul
- Normandie Université
- COBRA, UMR6014 and FR3038 CNRS
- Université de Rouen
- INSA de Rouen
- 76821 Mont-Saint-Aignan Cedex, France
| | - A. Harrison-Marchand
- Normandie Université
- COBRA, UMR6014 and FR3038 CNRS
- Université de Rouen
- INSA de Rouen
- 76821 Mont-Saint-Aignan Cedex, France
| | - J. Maddaluno
- Normandie Université
- COBRA, UMR6014 and FR3038 CNRS
- Université de Rouen
- INSA de Rouen
- 76821 Mont-Saint-Aignan Cedex, France
| | - H. Oulyadi
- Normandie Université
- COBRA, UMR6014 and FR3038 CNRS
- Université de Rouen
- INSA de Rouen
- 76821 Mont-Saint-Aignan Cedex, France
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37
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Perato S, Fogha J, Sebban M, Voisin-Chiret AS, Sopkova-de Oliveira Santos J, Oulyadi H, Rault S. Conformation Control of Abiotic α-Helical Foldamers. J Chem Inf Model 2013; 53:2671-80. [DOI: 10.1021/ci400365y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Serge Perato
- Normandie Université, France
- UNICAEN, CERMN (Centre d’Etudes
et de Recherche sur
le Médicament de Normandie UPRES EA 4258-FR CNRS 3038 INC3M,
Bd Becquerel), F-14032 Caen, France
| | - Jade Fogha
- Normandie Université, France
- UNICAEN, CERMN (Centre d’Etudes
et de Recherche sur
le Médicament de Normandie UPRES EA 4258-FR CNRS 3038 INC3M,
Bd Becquerel), F-14032 Caen, France
| | - Muriel Sebban
- Université de Rouen, COBRA-UMR 6014, Rue Lucien
Tesnières, F-76821 Mont-Saint-Aignan, France
| | - Anne Sophie Voisin-Chiret
- Normandie Université, France
- UNICAEN, CERMN (Centre d’Etudes
et de Recherche sur
le Médicament de Normandie UPRES EA 4258-FR CNRS 3038 INC3M,
Bd Becquerel), F-14032 Caen, France
| | - Jana Sopkova-de Oliveira Santos
- Normandie Université, France
- UNICAEN, CERMN (Centre d’Etudes
et de Recherche sur
le Médicament de Normandie UPRES EA 4258-FR CNRS 3038 INC3M,
Bd Becquerel), F-14032 Caen, France
| | - Hassan Oulyadi
- Université de Rouen, COBRA-UMR 6014, Rue Lucien
Tesnières, F-76821 Mont-Saint-Aignan, France
| | - Sylvain Rault
- Normandie Université, France
- UNICAEN, CERMN (Centre d’Etudes
et de Recherche sur
le Médicament de Normandie UPRES EA 4258-FR CNRS 3038 INC3M,
Bd Becquerel), F-14032 Caen, France
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Oulyadi H, Fressigné C, Yuan Y, Maddaluno J, Harrison-Marchand A. Structure of the Mixed Aggregates between a Chiral Lithium Amide and Phenyllithium or Vinyllithium. Organometallics 2012. [DOI: 10.1021/om300352p] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hassan Oulyadi
- Laboratoire COBRA de l’Université de Rouen, INSA de Rouen et CNRS, UMR 6014 & FR 3038, IRCOF, Rue Tesnière, 76821 Mont St Aignan Cédex, France
| | - Catherine Fressigné
- Laboratoire COBRA de l’Université de Rouen, INSA de Rouen et CNRS, UMR 6014 & FR 3038, IRCOF, Rue Tesnière, 76821 Mont St Aignan Cédex, France
| | - Yi Yuan
- Laboratoire COBRA de l’Université de Rouen, INSA de Rouen et CNRS, UMR 6014 & FR 3038, IRCOF, Rue Tesnière, 76821 Mont St Aignan Cédex, France
| | - Jacques Maddaluno
- Laboratoire COBRA de l’Université de Rouen, INSA de Rouen et CNRS, UMR 6014 & FR 3038, IRCOF, Rue Tesnière, 76821 Mont St Aignan Cédex, France
| | - Anne Harrison-Marchand
- Laboratoire COBRA de l’Université de Rouen, INSA de Rouen et CNRS, UMR 6014 & FR 3038, IRCOF, Rue Tesnière, 76821 Mont St Aignan Cédex, France
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Perato S, Voisin-Chiret AS, Sopková-de Oliveira Santos J, Legay R, Oulyadi H, Rault S. Synthesis of new linear poly(phenylpyridyl) chains. Tetrahedron 2012. [DOI: 10.1016/j.tet.2011.12.074] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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40
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Sopkova-de Oliveira Santos J, Voisin-Chiret AS, Burzicki G, Sebaoun L, Sebban M, Lohier JF, Legay R, Oulyadi H, Bureau R, Rault S. Structural Characterizations of Oligopyridyl Foldamers, α-Helix Mimetics. J Chem Inf Model 2012; 52:429-39. [DOI: 10.1021/ci200424a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jana Sopkova-de Oliveira Santos
- Centre d’Etudes et de
Recherche sur le Médicament de Normandie, UPRES EA-4258, FR
CNRS INC3M, UFR des Sciences Pharmaceutiques, Université de
Caen, bd Becquerel,
14032 Caen Cedex, France
| | - Anne Sophie Voisin-Chiret
- Centre d’Etudes et de
Recherche sur le Médicament de Normandie, UPRES EA-4258, FR
CNRS INC3M, UFR des Sciences Pharmaceutiques, Université de
Caen, bd Becquerel,
14032 Caen Cedex, France
| | - Gregory Burzicki
- Centre d’Etudes et de
Recherche sur le Médicament de Normandie, UPRES EA-4258, FR
CNRS INC3M, UFR des Sciences Pharmaceutiques, Université de
Caen, bd Becquerel,
14032 Caen Cedex, France
| | - Laure Sebaoun
- Centre d’Etudes et de
Recherche sur le Médicament de Normandie, UPRES EA-4258, FR
CNRS INC3M, UFR des Sciences Pharmaceutiques, Université de
Caen, bd Becquerel,
14032 Caen Cedex, France
| | - Muriel Sebban
- Equipe Analyse et Modélisation
Moléculaire, IRCOF UMR6014 CNRS-COBRA, Université de
Rouen, rue Tesnière, 76821 Mont-Saint-Aignan, France
| | - Jean-François Lohier
- Laboratoire de Chimie Moléculaire
et Thio-organique, UMR CNRS 6507, FR CNRS 3038 INC3M, ENSICAEN - Université
de Caen, 14050 Caen, France
| | - Rémi Legay
- Centre d’Etudes et de
Recherche sur le Médicament de Normandie, UPRES EA-4258, FR
CNRS INC3M, UFR des Sciences Pharmaceutiques, Université de
Caen, bd Becquerel,
14032 Caen Cedex, France
| | - Hassan Oulyadi
- Equipe Analyse et Modélisation
Moléculaire, IRCOF UMR6014 CNRS-COBRA, Université de
Rouen, rue Tesnière, 76821 Mont-Saint-Aignan, France
| | - Ronan Bureau
- Centre d’Etudes et de
Recherche sur le Médicament de Normandie, UPRES EA-4258, FR
CNRS INC3M, UFR des Sciences Pharmaceutiques, Université de
Caen, bd Becquerel,
14032 Caen Cedex, France
| | - Sylvain Rault
- Centre d’Etudes et de
Recherche sur le Médicament de Normandie, UPRES EA-4258, FR
CNRS INC3M, UFR des Sciences Pharmaceutiques, Université de
Caen, bd Becquerel,
14032 Caen Cedex, France
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41
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Ghinet A, Van Hijfte N, Gautret P, Rigo B, Oulyadi H, Rousseau J. Studies on pyrrolidinones. Reaction of pyroglutamic acid and vinylogues with aromatics in Eaton’s reagent. Tetrahedron 2012. [DOI: 10.1016/j.tet.2011.11.080] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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42
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Lecachey B, Fressigné C, Oulyadi H, Harrison-Marchand A, Maddaluno J. First substoichiometric version of the catalytic enantioselective addition of an alkyllithium to an aldehyde. Chem Commun (Camb) 2011; 47:9915-7. [PMID: 21811732 DOI: 10.1039/c1cc13513a] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A substoichiometric enantioselective version of the extremely fast nucleophilic addition of Alk-Li to RCHO is made possible thanks to a thorough analysis of the aggregation phenomena involved in the reaction: calculated quantities of LiCl must be added to the medium at the right time to keep the catalytic cycle running.
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Affiliation(s)
- Baptiste Lecachey
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, Mont St Aignan, France
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43
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Burel F, Oulyadi H, Bunel C, Grishchenko V, Busko N, Barantsova A, Boiko V. Synthesis and structural characterization of a liquid polyisoprene bearing amidoxime end groups. J Polym Res 2011. [DOI: 10.1007/s10965-011-9640-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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44
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Linclau B, Golten S, Light M, Sebban M, Oulyadi H. The conformation of tetrafluorinated methyl galactoside anomers: crystallographic and NMR studies. Carbohydr Res 2011; 346:1129-39. [PMID: 21531398 DOI: 10.1016/j.carres.2011.04.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2011] [Revised: 03/27/2011] [Accepted: 04/03/2011] [Indexed: 10/18/2022]
Abstract
The first single-crystal X-ray diffraction study of tetrafluorinated monosaccharide derivatives is presented. Both α- and β-methyl 2,3-dideoxy-2,2,3,3-tetrafluoro-d-galactopyranoside anomers adopt the (4)C(1) conformation. The values for the C1-O1 and C1-O5 bond lengths and the O5-C1-O1-CH(3) dihedral angles are in line with what can be expected from the anomeric and exo-anomeric effects. The chair conformations are slightly distorted, presumably due to repulsion between 1,3-diaxial C-O and C-F bonds. The asymmetric unit of both compounds contains up to three independent molecules, which differ in the conformation of the hydroxymethyl group (including in one case a 'forbidden'gg rotamer). The molecular packing of the β-anomer shows a clear segregation between fluorinated and hydrophilic domains, while for the α-anomer the regions of fluorine segregation are broken by interleafing of OMe groups. There is one close OH⋯F contact, which is likely to arise from the crystal packing. NMR studies show that the two anomers also adopt a (4)C(1) conformation in solution (D(2)O, CDCl(3)).
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Affiliation(s)
- Bruno Linclau
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom.
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45
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Barozzino Consiglio G, Queval P, Harrison-Marchand A, Mordini A, Lohier JF, Delacroix O, Gaumont AC, Gérard H, Maddaluno J, Oulyadi H. Ph2P(BH3)Li: From Ditopicity to Dual Reactivity. J Am Chem Soc 2011; 133:6472-80. [DOI: 10.1021/ja201760c] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gabriella Barozzino Consiglio
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St Aignan Cedex, France
- ICCOM, Dipartimento di Chimica “U. Schiff”, Universita’ di Firenze, Via della Lastruccia 13, 50019 Sesto Fiorentino, Firenze, Italy
| | - Pierre Queval
- Laboratoire de Chimie Moléculaire et Thio-organique, CNRS UMR 6507 & FR 3038, ENSICAEN and Université de Caen, 14050 Caen, France
| | - Anne Harrison-Marchand
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St Aignan Cedex, France
| | - Alessandro Mordini
- ICCOM, Dipartimento di Chimica “U. Schiff”, Universita’ di Firenze, Via della Lastruccia 13, 50019 Sesto Fiorentino, Firenze, Italy
| | - Jean-François Lohier
- Laboratoire de Chimie Moléculaire et Thio-organique, CNRS UMR 6507 & FR 3038, ENSICAEN and Université de Caen, 14050 Caen, France
| | - Olivier Delacroix
- Laboratoire de Chimie Moléculaire et Thio-organique, CNRS UMR 6507 & FR 3038, ENSICAEN and Université de Caen, 14050 Caen, France
| | - Annie-Claude Gaumont
- Laboratoire de Chimie Moléculaire et Thio-organique, CNRS UMR 6507 & FR 3038, ENSICAEN and Université de Caen, 14050 Caen, France
| | - Hélène Gérard
- CNRS UMR 7616, LCT, UPMC Université Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France
| | - Jacques Maddaluno
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St Aignan Cedex, France
| | - Hassan Oulyadi
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St Aignan Cedex, France
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46
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Lecachey B, Oulyadi H, Lameiras P, Harrison-Marchand A, Gérard H, Maddaluno J. MeLi + LiCl in THF: One Heterodimer and No Tetramers. J Org Chem 2010; 75:5976-83. [DOI: 10.1021/jo101282m] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Baptiste Lecachey
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St. Aignan Cedex, France
| | - Hassan Oulyadi
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St. Aignan Cedex, France
| | - Pedro Lameiras
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St. Aignan Cedex, France
| | - Anne Harrison-Marchand
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St. Aignan Cedex, France
| | - Hélène Gérard
- UPMC Univ Paris 6 and CNRS, UMR 7616, Laboratoire de Chimie Théorique, 4 place Jussieu, 75252 Paris Cedex 05, France
| | - Jacques Maddaluno
- CNRS UMR 6014 & FR 3038, Université de Rouen and INSA de Rouen, 76821 Mont St. Aignan Cedex, France
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47
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Sughir A, Skiba M, Lameiras P, Coadou G, Lahiani-Skiba M, Oulyadi H. Study of interaction between tiagabine HCl and 2-HPβCD: investigation of inclusion process. J INCL PHENOM MACRO 2010. [DOI: 10.1007/s10847-009-9732-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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48
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Lecachey B, Duguet N, Oulyadi H, Fressigné C, Harrison-Marchand A, Yamamoto Y, Tomioka K, Maddaluno J. Enantioselective Conjugate Addition of a Lithium Ester Enolate Catalyzed by Chiral Lithium Amides: A Possible Intermediate Characterized. Org Lett 2009; 11:1907-10. [DOI: 10.1021/ol900275y] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Baptiste Lecachey
- IRCOF, CNRS UMR 6014 & FR 3038, Université de Rouen, 76821 Mont St. Aignan Cedex, France, and Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Nicolas Duguet
- IRCOF, CNRS UMR 6014 & FR 3038, Université de Rouen, 76821 Mont St. Aignan Cedex, France, and Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Hassan Oulyadi
- IRCOF, CNRS UMR 6014 & FR 3038, Université de Rouen, 76821 Mont St. Aignan Cedex, France, and Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Catherine Fressigné
- IRCOF, CNRS UMR 6014 & FR 3038, Université de Rouen, 76821 Mont St. Aignan Cedex, France, and Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Anne Harrison-Marchand
- IRCOF, CNRS UMR 6014 & FR 3038, Université de Rouen, 76821 Mont St. Aignan Cedex, France, and Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yasutomo Yamamoto
- IRCOF, CNRS UMR 6014 & FR 3038, Université de Rouen, 76821 Mont St. Aignan Cedex, France, and Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Kiyoshi Tomioka
- IRCOF, CNRS UMR 6014 & FR 3038, Université de Rouen, 76821 Mont St. Aignan Cedex, France, and Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Jacques Maddaluno
- IRCOF, CNRS UMR 6014 & FR 3038, Université de Rouen, 76821 Mont St. Aignan Cedex, France, and Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
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Sughir A, Lahiani-Skiba M, Oulyadi H, Skiba M. 2-Hydroxypropyl β-Cyclodextrin: A New Tool for the Improvement of Chemical Stability of Tiagabine HCl. LETT DRUG DES DISCOV 2009. [DOI: 10.2174/157018009787847800] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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50
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Paté F, Gérard H, Oulyadi H, de la Lande A, Harrison-Marchand A, Parisel O, Maddaluno J. Shuffling lithiated mixed aggregates: NMR and Car–Parrinello molecular dynamics reveal an unexpected associative pathway. Chem Commun (Camb) 2009:319-21. [DOI: 10.1039/b814961e] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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