1
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Hansjacob P, Schwoerer C, Leroux FR, Donnard M. Synthesis of 2-amidoindenone derivatives through an ynamide carbosilylation/Houben-Hoesch cyclization 2-step sequence. Org Biomol Chem 2023; 22:70-73. [PMID: 38050722 DOI: 10.1039/d3ob01787g] [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: 12/06/2023]
Abstract
Herein we report the efficient and selective two-step synthesis of various 3-silyl-2-amidoindenones from easily accessible ynamides. This sequence involves a regio- and stereo-selective silylcyanation followed by a Houben-Hoesch type cyclization. Thanks to post-transformations, various 3-substituted 2-amidoindenones could be obtained.
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Affiliation(s)
- Pierre Hansjacob
- University of Strasbourg, University of Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 67000 Strasbourg, France.
| | - Célia Schwoerer
- University of Strasbourg, University of Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 67000 Strasbourg, France.
| | - Frédéric R Leroux
- University of Strasbourg, University of Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 67000 Strasbourg, France.
| | - Morgan Donnard
- University of Strasbourg, University of Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 67000 Strasbourg, France.
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2
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Audet F, Donnard M, Panossian A, Bernier D, Pazenok S, Leroux FR. New Chemical Transformations Involving SO 2 F 2 -Mediated Alcohol Activation. CHEM REC 2023; 23:e202300107. [PMID: 37236146 DOI: 10.1002/tcr.202300107] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/02/2023] [Indexed: 05/28/2023]
Abstract
Sulfuryl fluoride is a gas produced on a multi-ton scale for its use as a fumigant. In the last decades, it has gained interest in organic synthesis as a reagent with unique properties in terms of stability and reactivity when compared to other sulfur-based reagents. Sulfuryl fluoride has not only been used for sulfur-fluoride exchange (SuFEx) chemistry but also encountered applications in classic organic synthesis as an efficient activator of both alcohols and phenols, forming a triflate surrogate, namely a fluorosulfonate. A long-standing industrial collaboration in our research group drove our work on the sulfuryl fluoride-mediated transformations that will be highlighted below. We will first describe recent works on metal-catalyzed transformations from aryl fluorosulfonates while emphasizing the one-pot processes from phenol derivatives. In a second section, nucleophilic substitution reactions on polyfluoroalkyl alcohols will be discussed and the value of polyfluoroalkyl fluorosulfonates in comparison to alternative triflate and halide reagents will be brought to light.
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Affiliation(s)
- Florian Audet
- Laboratoire d'Innovation Moléculaire et Applications (UMR7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 25 rue Becquerel, 67000, Strasbourg, France
| | - Morgan Donnard
- Laboratoire d'Innovation Moléculaire et Applications (UMR7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 25 rue Becquerel, 67000, Strasbourg, France
| | - Armen Panossian
- Laboratoire d'Innovation Moléculaire et Applications (UMR7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 25 rue Becquerel, 67000, Strasbourg, France
| | - David Bernier
- Bayer S.A.S., 14 impasse Pierre Baizet, 69263, Lyon, France
| | - Sergii Pazenok
- Bayer CropScience AG, Alfred Nobel Straße 50, 40789, Monheim, Germany
| | - Frédéric R Leroux
- Laboratoire d'Innovation Moléculaire et Applications (UMR7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 25 rue Becquerel, 67000, Strasbourg, France
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3
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Plaçais C, Kaldas SJ, Donnard M, Panossian A, Bernier D, Pazenok S, Leroux FR. Ruthenium-catalyzed Synthesis of Aryl and Alkenyl Halides from Fluorosulfonates. Chemistry 2023:e202301420. [PMID: 37154152 DOI: 10.1002/chem.202301420] [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: 05/04/2023] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/10/2023]
Abstract
Aryl and alkenyl halides are widely used as key intermediates in organic synthesis, particularly for the formation of organometallic reagents or as radical precursors. They are also found in pharmaceutical and agrochemical ingredients. In this work, we report the synthesis of aryl and alkenyl halides from the corresponding fluorosulfonates using commercially available ruthenium catalysts. Notably, this is the first conversion of phenols to aryl halides that is efficient with chloride, bromide, and iodide. Fluorosulfonates are readily prepared using sulfuryl fluoride (SO2F2) and less expensive substitutes for triflates. Although aryl fluorosulfonates and their reactions are well known, this is the first report of an efficient coupling of alkenyl fluorosulfonates. To finish, we have demonstrated, by means of representative examples, that the reaction is possible in a one-pot process, starting directly from the phenol or aldehyde.
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Affiliation(s)
- Clotilde Plaçais
- Université de Strasbourg: Universite de Strasbourg, UMR7042-LIMA, FRANCE
| | - Sherif J Kaldas
- Bayer AG, Chemical Process Development, Active Ingredient Manufacturing Innovation, GERMANY
| | - Morgan Donnard
- Université de Strasbourg: Universite de Strasbourg, UMR7042-LIMA, FRANCE
| | - Armen Panossian
- Université de Strasbourg: Universite de Strasbourg, UMR7042-LIMA, FRANCE
| | | | | | - Frederic R Leroux
- Université de Strasbourg: Universite de Strasbourg, UMR7042-LIMA, 25 Rue Becquerel, 67000, Strasbourg, FRANCE
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4
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Santos L, Audet F, Donnard M, Panossian A, Vors JP, Bernier D, Pazenok S, Leroux FR. Traceless N-Polyfluoroalkylation of Weakly Nucleophilic Nitrogen Containing Compounds. Chemistry 2023:e202300792. [PMID: 36916477 DOI: 10.1002/chem.202300792] [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: 03/10/2023] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 03/16/2023]
Abstract
Here we report an efficient access to high-value N-polyfluoroalkyl anilines, primary polyfluoroalkylamines and N,N-bis(polyfluoroalkyl)amines, via N-polyfluoroalkylation of sulfonamides and phthalimide derivatives using sulfuryl fluoride (SO2F2). The in situ formation of polyfluoroalkyl fluorosulfonates from commercially available fluorinated alcohols and economical sulfuryl fluoride is highly advantageous given that some polyfluoroalkyl halides are ozone-depleting substances (ODS) regulated by the Montreal protocol. This general method is applied to the polyfluoroalkylation of a variety of sulfonamides, N-sulfonyl carbamates and phthalimide with a wide tolerance of functional groups. The process thus provides viable access for industry to N-(polyfluoroalkyl)anilines as well as primary and secondary N-(polyfluoroalkyl)amines, which are very valuable but not easily accessible building blocks for life science applications.
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Affiliation(s)
- Laura Santos
- Université de Strasbourg: Universite de Strasbourg, UMR7042-LIMA, FRANCE
| | - Florian Audet
- Université de Strasbourg: Universite de Strasbourg, UMR7042-LIMA, FRANCE
| | - Morgan Donnard
- Université de Strasbourg: Universite de Strasbourg, UMR7042-LIMA, FRANCE
| | - Armen Panossian
- Université de Strasbourg: Universite de Strasbourg, UMR7042-LIMA, FRANCE
| | | | | | | | - Frederic R Leroux
- University of Strasbourg, UMR7042-LIMA, 25 Rue Becquerel, 67000, Strasbourg, FRANCE
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5
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Hansjacob P, Leroux FR, Donnard M. Zinc-Catalyzed Hydrocyanation of Ynamides and Photoisomerization, a General and Selective Access to E and Z Trisubstituted 𝛼-Enamidonitriles. Chemistry 2023; 29:e202300120. [PMID: 36846875 DOI: 10.1002/chem.202300120] [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: 01/13/2023] [Revised: 02/24/2023] [Accepted: 02/27/2023] [Indexed: 03/01/2023]
Abstract
The fully regio and stereoselective Zn-catalyzed hydrocyanation of ynamides is reported and represents a general access to various trisubstituted E-𝛼-enamidonitriles. The catalyst-free photoisomerization selectively yields the energetically comparable Z-stereoisomer. Finally, the synthetic potential of these new 𝛼-enamidonitriles was evaluated through the synthesis of original heterocycles.
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Affiliation(s)
- Pierre Hansjacob
- LIMA - UMR 7042, Université de Strasbourg, CNRS, Université de Haute-Alsace ECPM, 25 rue Becquerel, 67000, Strasbourg, France
| | - Frédéric R Leroux
- LIMA - UMR 7042, Université de Strasbourg, CNRS, Université de Haute-Alsace ECPM, 25 rue Becquerel, 67000, Strasbourg, France
| | - Morgan Donnard
- LIMA - UMR 7042, Université de Strasbourg, CNRS, Université de Haute-Alsace ECPM, 25 rue Becquerel, 67000, Strasbourg, France
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6
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Avello MG, Golling S, Truong-Phuoc L, Vidal L, Romero T, Papaefthimiou V, Gruber N, Chetcuti MJ, Leroux FR, Donnard M, Ritleng V, Pham-Huu C, Michon C. (NHC-olefin)-nickel(0) nanoparticles as catalysts for the ( Z)-selective semi-hydrogenation of alkynes and ynamides. Chem Commun (Camb) 2023; 59:1537-1540. [PMID: 36661282 DOI: 10.1039/d2cc05302k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Nickel(0) nanoparticles coordinated to NHC ligands bearing N-coordinated cinnamyl moieties were readily prepared by reduction of a [NiCpBr(NHC-cinnamyl)] complex with methyl magnesium bromide. The combination of a strong σ-donor NHC ligand with a π-coordinating appended cinnamyl moiety likely prevents nickel(0) nanoparticle aggregation to larger inactive species, and allows the effective and (Z)-selective semi-hydrogenation of alkynes and ynamides.
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Affiliation(s)
- Marta G Avello
- Université de Strasbourg, Université de Haute-Alsace, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, LIMA, UMR 7042, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Stéphane Golling
- Université de Strasbourg, Université de Haute-Alsace, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, LIMA, UMR 7042, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Lai Truong-Phuoc
- Université de Strasbourg, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, ICPEES, UMR 7515, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Loïc Vidal
- Université de Haute-Alsace, CNRS, IS2M UMR UMR 7361, 15, rue Jean Starcky - BP 2488, 68057, Mulhouse, France
| | - Thierry Romero
- Université de Strasbourg, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, ICPEES, UMR 7515, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Vasiliki Papaefthimiou
- Université de Strasbourg, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, ICPEES, UMR 7515, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Nathalie Gruber
- Université de Strasbourg, Fédération de chimie Le Bel - FR2010, BP 296R8 1, rue Blaise Pascal, 67008, Strasbourg, France
| | - Michael J Chetcuti
- Université de Strasbourg, Université de Haute-Alsace, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, LIMA, UMR 7042, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Frédéric R Leroux
- Université de Strasbourg, Université de Haute-Alsace, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, LIMA, UMR 7042, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Morgan Donnard
- Université de Strasbourg, Université de Haute-Alsace, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, LIMA, UMR 7042, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Vincent Ritleng
- Université de Strasbourg, Université de Haute-Alsace, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, LIMA, UMR 7042, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Cuong Pham-Huu
- Université de Strasbourg, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, ICPEES, UMR 7515, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Christophe Michon
- Université de Strasbourg, Université de Haute-Alsace, Ecole européenne de Chimie, Polymères et Matériaux, CNRS, LIMA, UMR 7042, 25 rue Becquerel, 67087, Strasbourg, France.
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7
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Golling S, Hansjacob P, Bami N, Leroux FR, Donnard M. Direct Access to 2,3-Disubstituted Amido-Indenones through Annulation of 2-Iodobenzaldehydes with Ynamides. J Org Chem 2022; 87:16860-16866. [PMID: 36472915 DOI: 10.1021/acs.joc.2c02054] [Citation(s) in RCA: 1] [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: 12/12/2022]
Abstract
In this paper we report the annulation reaction between 2-iodobenzaldehyde derivatives and various ynamides. This palladium-catalyzed reaction leads to rare polysubstituted amino-indenones in good yields with a regioselectivity up to complete. Remarkably, a regiodivergent selectivity has been identified between aryl and alkyl or silyl ynamides, with the first leading mainly to 2-amido-indenones and the second to 3-amido-indenones.
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Affiliation(s)
- Stéphane Golling
- CNRS, UMR 7042-LIMA, ECPM, Université de Strasbourg, Université de Haute-Alsace, F-67000 Strasbourg, France
| | - Pierre Hansjacob
- CNRS, UMR 7042-LIMA, ECPM, Université de Strasbourg, Université de Haute-Alsace, F-67000 Strasbourg, France
| | - Nassim Bami
- CNRS, UMR 7042-LIMA, ECPM, Université de Strasbourg, Université de Haute-Alsace, F-67000 Strasbourg, France
| | - Frédéric R Leroux
- CNRS, UMR 7042-LIMA, ECPM, Université de Strasbourg, Université de Haute-Alsace, F-67000 Strasbourg, France
| | - Morgan Donnard
- CNRS, UMR 7042-LIMA, ECPM, Université de Strasbourg, Université de Haute-Alsace, F-67000 Strasbourg, France
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8
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Hansjacob P, Leroux FR, Gandon V, Donnard M. Palladium-Catalyzed Silylcyanation of Ynamides: Regio- and Stereoselective Access to Tetrasubstituted 3-Silyl-2-Aminoacrylonitriles. Angew Chem Int Ed Engl 2022; 61:e202200204. [PMID: 35060272 DOI: 10.1002/anie.202200204] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [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: 01/05/2022] [Indexed: 01/02/2023]
Abstract
The palladium-catalyzed silylcyanation of ynamides is described. This reaction is fully regioselective, delivering tetrasubstituted 2-aminoacrylonitriles derivatives exclusively. Unexpectedly, the nature (aryl or alkyl) of the substituent located at the β-position of the ynamide directly controls the stereoselectivity. The reaction tolerates a number of functional groups and can be considered as the first general access to fully substituted 2-aminoacrylonitriles. Given the singular reactivity observed, a computational study was performed to shed light on the mechanism of this intriguing transformation. Relying on the specific reactivity of the newly installed vinylsilane functionality, the scope of 2-aminoacrylonitriles has been enlarged by postfunctionalization.
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Affiliation(s)
- Pierre Hansjacob
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 67000, Strasbourg, France
| | - Frédéric R Leroux
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 67000, Strasbourg, France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405, Orsay cedex, France.,Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, Ecole Polytechnique, Institut Polytechnique de Paris, route de Saclay, 91128, Palaiseau cedex, France
| | - Morgan Donnard
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 67000, Strasbourg, France
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9
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Hansjacob P, Leroux FR, Gandon V, Donnard M. Palladium‐Catalyzed Silylcyanation of Ynamides: Regio‐ and Stereoselective Access to Tetrasubstituted 3‐Silyl‐2‐Aminoacrylonitriles. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200204] [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: 11/10/2022]
Affiliation(s)
- Pierre Hansjacob
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042) Université de Strasbourg Université de Haute-Alsace CNRS 67000 Strasbourg France
| | - Frédéric R. Leroux
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042) Université de Strasbourg Université de Haute-Alsace CNRS 67000 Strasbourg France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris-Saclay Bâtiment 420 91405 Orsay cedex France
- Laboratoire de Chimie Moléculaire (LCM) CNRS UMR 9168 Ecole Polytechnique Institut Polytechnique de Paris route de Saclay 91128 Palaiseau cedex France
| | - Morgan Donnard
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042) Université de Strasbourg Université de Haute-Alsace CNRS 67000 Strasbourg France
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10
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Abstract
In this paper we are reporting the first regio- and stereoselective silylformylation of ynamides. This reaction is tolerant to a wide range of functional groups around the ynamides. The substitution of CO by an isocyanide makes this reaction safer and more practical than standard silylformylation reactions. It overall represents a versatile and rapid access to various tetrasubstituted 3-silyl-2-amidoacrolein derivatives. The synthetic potential of these new building blocks has been evaluated by performing several postfunctionalization.
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Affiliation(s)
- Stéphane Golling
- Université de Strasbourg, CNRS, Université de Haute-Alsace (LIMA UMR 7042), École Européenne de Chimie, Polymères et Matériaux (ECPM), F-67000 Strasbourg, France
| | - Frédéric R Leroux
- Université de Strasbourg, CNRS, Université de Haute-Alsace (LIMA UMR 7042), École Européenne de Chimie, Polymères et Matériaux (ECPM), F-67000 Strasbourg, France
| | - Morgan Donnard
- Université de Strasbourg, CNRS, Université de Haute-Alsace (LIMA UMR 7042), École Européenne de Chimie, Polymères et Matériaux (ECPM), F-67000 Strasbourg, France
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11
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Santos L, Donnard M, Panossian A, Vors JP, Jeschke P, Bernier D, Pazenok S, Leroux FR. SO 2F 2-Mediated N-Alkylation of Imino-Thiazolidinones. J Org Chem 2021; 87:2012-2021. [PMID: 34355900 DOI: 10.1021/acs.joc.1c01247] [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: 11/28/2022]
Abstract
The N-alkylation of ambident and weakly nucleophilic imino-thiazolidinones has been developed via substitution with alkyl fluorosulfonates. These reactive electrophiles are obtained through the transformation of nontoxic, economic, and commercially available alcohol derivatives on exposure to SO2F2 gas. The use of electron-withdrawing groups and DMAc as solvent affords a (Z)- and N-endocyclic selectivity for the easy introduction of a variety of alkyl and polyfluoroalkyl chains.
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Affiliation(s)
- Laura Santos
- University of Strasbourg, University of Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, 67087 Strasbourg, France
| | - Morgan Donnard
- University of Strasbourg, University of Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, 67087 Strasbourg, France
| | - Armen Panossian
- University of Strasbourg, University of Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, 67087 Strasbourg, France
| | - Jean-Pierre Vors
- Bayer S.A.S., 14 Impasse Pierre Baizet, BP99163, 69263 Lyon, Cedex 09, France
| | - Peter Jeschke
- Bayer CropScience AG, Alfred-Nobel-Strasse 50, 40789 Monheim, Germany
| | - David Bernier
- Bayer S.A.S., 14 Impasse Pierre Baizet, BP99163, 69263 Lyon, Cedex 09, France
| | - Sergii Pazenok
- Bayer CropScience AG, Alfred-Nobel-Strasse 50, 40789 Monheim, Germany
| | - Frédéric R Leroux
- University of Strasbourg, University of Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, 67087 Strasbourg, France
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12
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Plaçais C, Donnard M, Panossian A, Vors JP, Bernier D, Pazenok S, Leroux FR. Synthesis of 3-Amino-5-fluoroalkylfurans by Intramolecular Cyclization. Org Lett 2021; 23:4915-4919. [PMID: 34080423 DOI: 10.1021/acs.orglett.1c01672] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A synthesis to access rarely described 3-amino-5-fluoroalkylfurans has been developed by cyclization of easily accessible fluorovinamides. This method is rapid and simple and affords the desired furans as hydrochloride salts in quantitative or nearly quantitative yields. It is compatible with four different fluorinated groups (-CF3, -CF2CF3, -CHF2, and -CF2Cl) and a wide range of substituents on the amine.
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Affiliation(s)
- Clotilde Plaçais
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France
| | - Morgan Donnard
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France
| | - Armen Panossian
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France
| | - Jean-Pierre Vors
- Bayer S.A.S., 14 Impasse Pierre Baizet, BP99163, 69263 Lyon Cedex 09, France
| | - David Bernier
- Bayer S.A.S., 14 Impasse Pierre Baizet, BP99163, 69263 Lyon Cedex 09, France
| | - Sergii Pazenok
- Bayer CropScience AG, Alfred-Nobel-Strasse 50, 40789 Monheim, Germany
| | - Frédéric R Leroux
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France
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13
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Saiter J, Guérin T, Donnard M, Panossian A, Hanquet G, Leroux FR. Direct Trifluoromethoxylation without OCF
3
‐Carrier through In Situ Generation of Fluorophosgene. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100429] [Citation(s) in RCA: 3] [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: 11/09/2022]
Affiliation(s)
- Jérémy Saiter
- Université de Strasbourg, Université de Haute-Alsace CNRS, UMR 7042-LIMA, ECPM 67000 Strasbourg France
| | - Thomas Guérin
- Université de Strasbourg, Université de Haute-Alsace CNRS, UMR 7042-LIMA, ECPM 67000 Strasbourg France
| | - Morgan Donnard
- Université de Strasbourg, Université de Haute-Alsace CNRS, UMR 7042-LIMA, ECPM 67000 Strasbourg France
| | - Armen Panossian
- Université de Strasbourg, Université de Haute-Alsace CNRS, UMR 7042-LIMA, ECPM 67000 Strasbourg France
| | - Gilles Hanquet
- Université de Strasbourg, Université de Haute-Alsace CNRS, UMR 7042-LIMA, ECPM 67000 Strasbourg France
| | - Frédéric R. Leroux
- Université de Strasbourg, Université de Haute-Alsace CNRS, UMR 7042-LIMA, ECPM 67000 Strasbourg France
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14
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Ristić P, Filipović N, Blagojević V, Ćirković J, Holló BB, Đokić VR, Donnard M, Gulea M, Marjanović I, Klisurić OR, Todorović TR. 2D and 3D silver-based coordination polymers with thiomorpholine-4-carbonitrile and piperazine-1,4-dicarbonitrile: structure, intermolecular interactions, photocatalysis, and thermal behavior. CrystEngComm 2021. [DOI: 10.1039/d1ce00394a] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The reaction of the thiomorpholine-4-carbonitrile and piperazine-1,4-dicarbonitrile ligands afforded four Ag(i) coordination polymers with excellent photocatalytic activity in the degradation of the mordant blue 9 dye.
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Affiliation(s)
- Predrag Ristić
- University of Belgrade – Faculty of Chemistry
- 11000 Belgrade
- Serbia
| | - Nenad Filipović
- Faculty of Agriculture
- University of Belgrade
- 11000 Belgrade
- Serbia
| | - Vladimir Blagojević
- Institute of Technical Sciences of the Serbian Academy of Sciences and Arts
- 11000 Belgrade
- Serbia
| | - Jovana Ćirković
- Institute for Multidisciplinary Research
- University of Belgrade
- 11030 Belgrade
- Serbia
| | | | - Veljko R. Đokić
- Innovation Center of Faculty of Technology and Metallurgy
- University of Belgrade
- Belgrade
- Serbia
| | - Morgan Donnard
- Université de Strasbourg
- Université de Haute-Alsace
- CNRS, LIMA-UMR 7042, ECPM
- 67000 Strasbourg
- France
| | - Mihaela Gulea
- Université de Strasbourg
- CNRS, LIT-UMR 7200, Faculty of Pharmacy
- 67000 Strasbourg
- France
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15
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Abstract
The functionalization of 3-(difluoromethyl)pyridine has been developed via direct deprotonation of -CHF2 with a lithiated base and subsequent trapping with various electrophiles in THF. In situ quenching gives access to 3-pyridyl-CF2-SiMe2Ph as a new silylated compound, which can be postfunctionalized with a fluoride source to obtain a larger library of 3-(difluoroalkyl)pyridines that could not be accessed via direct deprotonation.
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Affiliation(s)
- Laura Santos
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France
| | - Armen Panossian
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France
| | - Morgan Donnard
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France
| | - Jean-Pierre Vors
- Bayer S.A.S., 14 Impasse Pierre Baizet, BP99163, 69263 Lyon Cedex 09, France
| | - Sergii Pazenok
- Bayer CropScience AG, Alfred-Nobel-Strasse 50, 40789 Monheim, Germany
| | - David Bernier
- Bayer S.A.S., 14 Impasse Pierre Baizet, BP99163, 69263 Lyon Cedex 09, France
| | - Frédéric R Leroux
- Université de Strasbourg, Université de Haute-Alsace, CNRS, UMR 7042-LIMA, ECPM, 25 Rue Becquerel, Strasbourg 67087, France
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16
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Abstract
This review highlights the achievements in the synthesis of organic thiocyanates (OTCs)
over the past five years (late 2015 to mid-2019) and is intended as a follow-up on our tutorial review
published in Chemical Society Reviews in 2016. The discussion places a special emphasis on sustainable
synthetic approaches involving thiocyanation or sulfur-cyanation. The large number of contributions
within this short period of time clearly indicates that the chemistry of OTCs provides a growing
interest and a rapid evolution.
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Affiliation(s)
- Mihaela Gulea
- Universite de Strasbourg, Laboratoire d’Innovation Therapeutique (LIT), UMR7200, CNRS, Faculte de Pharmacie, 74 Route du Rhin, 67401 Illkirch, France
| | - Morgan Donnard
- Universite de Strasbourg, CNRS, Universite de Haute-Alsace, LIMA – UMR7042, Ecole Europeenne de Chimie, Polymeres et Materiaux (ECPM), 67000 Strasbourg, France
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17
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Donnard M. Sustainable Synthetic Approaches Involving Thiocyanation and Sulfur- Cyanation: An Update. CGC 2020. [DOI: 10.2174/2213346mta34mzcr5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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18
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Filipović NR, Ristić P, Janjić G, Klisurić O, Puerta A, Padrón JM, Donnard M, Gulea M, Todorović TR. Silver-based monomer and coordination polymer with organic thiocyanate ligand: Structural, computational and antiproliferative activity study. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.114132] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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19
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Wagner P, Donnard M, Girard N. Ligand-Controlled Regiodivergent Hydroformylation of Ynamides: A Stereospecific and Regioselective Access to 2- and 3-Aminoacroleins. Org Lett 2019; 21:8861-8866. [DOI: 10.1021/acs.orglett.9b03566] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [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)
- Patrick Wagner
- Université de Strasbourg, CNRS (LIT UMR
7200), Faculté de Pharmacie, F-67000 Strasbourg, France
| | - Morgan Donnard
- Université de Strasbourg, CNRS, Université
de Haute-Alsace (LIMA UMR 7042), École Européenne de
Chimie, Polymères et Matériaux (ECPM), F-67000 Strasbourg, France
| | - Nicolas Girard
- Université de Strasbourg, CNRS (LIT UMR
7200), Faculté de Pharmacie, F-67000 Strasbourg, France
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20
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Marjanovic I, Klisuric O, Filipovic N, Todorovic T, Vulic P, Ristic P, Gulea M, Donnard M. Crystal structures and topological analysis of Ag I complexes with 1,4-heterodisubstituted cyclohexanes. Acta Crystallogr A Found Adv 2019. [DOI: 10.1107/s2053273319089861] [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: 11/10/2022] Open
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21
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Castanheiro T, Schoenfelder A, Donnard M, Chataigner I, Gulea M. Synthesis of Sulfur-Containing Exo-Bicyclic Dienes and Their Diels-Alder Reactions To Access Thiacycle-Fused Polycyclic Systems. J Org Chem 2018; 83:4505-4515. [PMID: 29613799 DOI: 10.1021/acs.joc.8b00213] [Citation(s) in RCA: 6] [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: 11/28/2022]
Abstract
The stereocontrolled synthesis of unprecedented sulfur-containing exo-bicyclic 1,3-dienes is reported through a palladium-catalyzed reductive cyclization of sulfur-linked 2-bromoenynes. The fused bicyclic structure provides a better stability to the thiacyclic diene compared to the simple 3,4-dimethylenetetrahydrothiophene. Their reactivity toward several dienophiles has been investigated, and various original thiacycle-fused polycyclic systems have been obtained with high or total diastereoselectivity. Moreover, they are the first exo-bicyclic dienes used in Diels-Alder reactions. The relative configurations of four cycloadducts have been unambiguously assigned by X-ray crystallographic analysis. Mechanistic details of the cycloadditions have been examined by computational means.
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Affiliation(s)
- Thomas Castanheiro
- Université de Strasbourg , CNRS, Laboratoire d'Innovation Thérapeutique, LIT UMR 7200 , 67000 Strasbourg , France
| | - Angèle Schoenfelder
- Université de Strasbourg , CNRS, Laboratoire d'Innovation Thérapeutique, LIT UMR 7200 , 67000 Strasbourg , France
| | - Morgan Donnard
- Université de Strasbourg , CNRS, Laboratoire d'Innovation Thérapeutique, LIT UMR 7200 , 67000 Strasbourg , France
| | - Isabelle Chataigner
- Normandie Université , INSA Rouen, CNRS, COBRA UMR 6014 , 76000 Rouen , France.,Sorbonne Université, UPMC Univ Paris 6 , CNRS UMR 7616 Laboratoire de Chimie Théorique , 75005 Paris , France
| | - Mihaela Gulea
- Université de Strasbourg , CNRS, Laboratoire d'Innovation Thérapeutique, LIT UMR 7200 , 67000 Strasbourg , France
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Donnard M, Duret G, Bisseret P, Blanchard N. Intramolecular inverse electron-demand [4+2] cycloadditions of ynamidyl-tethered pyrimidines: Comparative studies in trifluorotoluene and sulfolane. CR CHIM 2017. [DOI: 10.1016/j.crci.2017.01.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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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23
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Castanheiro T, Schoenfelder A, Suffert J, Donnard M, Gulea M. Comparative study on the reactivity of propargyl and alkynyl sulfides in palladium-catalyzed domino reactions. CR CHIM 2017. [DOI: 10.1016/j.crci.2016.12.007] [Citation(s) in RCA: 6] [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: 02/06/2023]
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24
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Wagner P, Gulea M, Suffert J, Donnard M. Synthesis of Benzo[c
]silole Derivatives Bearing a Tetrasubstituted Exocyclic C=C Double Bond by Palladium-Catalyzed Domino Reactions. Chemistry 2017; 23:7458-7462. [DOI: 10.1002/chem.201701736] [Citation(s) in RCA: 18] [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] [Received: 04/19/2017] [Indexed: 01/29/2023]
Affiliation(s)
- Patrick Wagner
- Université de Strasbourg; CNRS (LIT UMR 7200); 67000 Strasbourg France
| | - Mihaela Gulea
- Université de Strasbourg; CNRS (LIT UMR 7200); 67000 Strasbourg France
| | - Jean Suffert
- Université de Strasbourg; CNRS (LIT UMR 7200); 67000 Strasbourg France
| | - Morgan Donnard
- Université de Strasbourg; CNRS (LIT UMR 7200); 67000 Strasbourg France
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25
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Suffert J, Blouin S, Blond G, Donnard M, Gulea M. Cyclocarbopalladation as a Key Step in Cascade Reactions: Recent Developments. SYNTHESIS-STUTTGART 2017. [DOI: 10.1055/s-0036-1588708] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [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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Affiliation(s)
| | - Jean Suffert
- Université de Strasbourg, CNRS, LIT UMR 7200, Strasbourg, France
| | - Morgan Donnard
- Université de Strasbourg, CNRS, LIT UMR 7200, Strasbourg, France
| | - Mihaela Gulea
- Université de Strasbourg, CNRS, LIT UMR 7200, Strasbourg, France
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27
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Abstract
An unprecedented three-component reaction involving a 2,2'-diaminodiaryl disulfide, copper cyanide, and an electrophile is described. This transformation is based on an oxidative copper-mediated S-cyanation as a key step and involves a cyanation/cyclization/acylation domino sequence enabling a rapid and efficient synthesis of diversely substituted 2-aminobenzothiazole derivatives. Notably, this reaction proceeds via an original mechanism involving an intermolecular migration of the acyl group.
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Affiliation(s)
- Thomas Castanheiro
- Laboratoire d'Innovation Thérapeutique (UMR 7200), Faculté de Pharmacie, Université de Strasbourg, CNRS , 74 Route du Rhin, 67401 Illkirch, France
| | - Jean Suffert
- Laboratoire d'Innovation Thérapeutique (UMR 7200), Faculté de Pharmacie, Université de Strasbourg, CNRS , 74 Route du Rhin, 67401 Illkirch, France
| | - Mihaela Gulea
- Laboratoire d'Innovation Thérapeutique (UMR 7200), Faculté de Pharmacie, Université de Strasbourg, CNRS , 74 Route du Rhin, 67401 Illkirch, France
| | - Morgan Donnard
- Laboratoire d'Innovation Thérapeutique (UMR 7200), Faculté de Pharmacie, Université de Strasbourg, CNRS , 74 Route du Rhin, 67401 Illkirch, France
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28
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Abstract
In this review the different methods for the preparation of organic thiocyantes and their synthetic applications are presented.
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Affiliation(s)
- Thomas Castanheiro
- Laboratoire d'Innovation Thérapeutique (UMR 7200)
- Université de Strasbourg
- CNRS
- Faculté de Pharmacie
- 67401 Illkirch-Graffenstaden
| | - Jean Suffert
- Laboratoire d'Innovation Thérapeutique (UMR 7200)
- Université de Strasbourg
- CNRS
- Faculté de Pharmacie
- 67401 Illkirch-Graffenstaden
| | - Morgan Donnard
- Laboratoire d'Innovation Thérapeutique (UMR 7200)
- Université de Strasbourg
- CNRS
- Faculté de Pharmacie
- 67401 Illkirch-Graffenstaden
| | - Mihaela Gulea
- Laboratoire d'Innovation Thérapeutique (UMR 7200)
- Université de Strasbourg
- CNRS
- Faculté de Pharmacie
- 67401 Illkirch-Graffenstaden
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29
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Donnard M, Lorin P, Rahmani A, Boyas S, Beaune B. Body stance influences the visual vertical perception in patients with vestibular disorders. Comput Methods Biomech Biomed Engin 2015; 18 Suppl 1:1928-9. [DOI: 10.1080/10255842.2015.1069572] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- M. Donnard
- Laboratoire ‘Motricité, Interactions, Performance’ (EA 4334), Université du Maine, Le Mans, France
- Cabinet ORL Docteur Philippe Lorin, Vertiges & Rééducation des Troubles Vestibulaires, Le Mans, France
| | - P. Lorin
- Cabinet ORL Docteur Philippe Lorin, Vertiges & Rééducation des Troubles Vestibulaires, Le Mans, France
| | - A. Rahmani
- Laboratoire ‘Motricité, Interactions, Performance’ (EA 4334), Université du Maine, Le Mans, France
| | - S. Boyas
- Laboratoire ‘Motricité, Interactions, Performance’ (EA 4334), Université du Maine, Le Mans, France
| | - B. Beaune
- Laboratoire ‘Motricité, Interactions, Performance’ (EA 4334), Université du Maine, Le Mans, France
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Lorin P, Donnard M, Foubert F. Vestibular neuritis: Evaluation and effect of vestibular rehabilitation. Rev Laryngol Otol Rhinol (Bord) 2015; 136:21-27. [PMID: 26749601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
UNLABELLED Vestibular neuritis (VN) is a caloric vestibular areflexia that occurs suddenly, and whose compensation can take several weeks, sometimes several months. Usually these patients are rehabilitated, but the most affected patients (cervical vestibular evoked myogenic potential (cVEMP) absent) have a worse prognosis of vestibulo-ocular compensation. Thanks to symptomatic, videographic and posturographic evaluation tools, we objectify and quantify which factors influence the recovery or more accurately the compensation of this type of disorder. EQUIPMENT AND METHOD: We have colligated 34 observations of VN whose beginning could be precisely dated. These 34 unilateral caloric areflexic patients had a symptomatic evaluation (SE) with scales (vertigo symptom scale, dizziness handicap inventory, short form 36), an evaluation of the vestibulo-ocular reflex (VOR) (spontaneous nystagmus, head shaking test, mastoid bone skull vibration test, and finally an evaluation of the vestibulo-spinal function (VSF) on a dynamic posturography platform (DPY). On the other hand were evaluated eight elements supposed to influence (influence factors FI) the care and/or the outcome of the treatment (age, cVEMP absent, duration of deficiency, sports and walk practice, rehabilitation of VOR, rehabilitation of VSF, waiting period before application of rehabilitation, vertigo medications treatment). RESULTS By comparing averages and with a Fischer's exact test, we can show here that the medical treatment, the waiting period before the application of the rehabilitation, the number of rehabilitation sessions or the type of rehabilitation influence only partially the state of health of neuritis. The age of the patients and absent cVEMP don't have a major influence either. However, patients with the most important physical activity feel better from a symptomatic point of view, over a long period after the episode. The effect of rehabilitation might be temporary if daily activity is minimal. CONCLUSION The evaluation of the vestibulo-ocular reflex has long remained the main element for the evaluation of the state of health of vestibular neuritis. But if you use in addition posturography and symptomatic scales to assess the state of health, the neuritis considered to be compensated with the VOR will not always be symptomatically compensated. Estimating the functional recovery of neuritis can't be limited to estimating or quantifying the VOR. Rehabilitating neuritis can't be limited to rehabilitating the VOR. Finally we show here that physical activity is probably more necessary than any type of rehabilitation.
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Castanheiro T, Gulea M, Donnard M, Suffert J. Practical Access to Aromatic Thiocyanates by CuCN-Mediated Direct Aerobic Oxidative Cyanation of Thiophenols and Diaryl Disulfides. European J Org Chem 2014. [DOI: 10.1002/ejoc.201403279] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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32
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Donnard M, Rahmani A, Lorin P, Boyas S, Beaune B. Adapted physical activity intervention and vestibular disorders. Comput Methods Biomech Biomed Engin 2014; 17 Suppl 1:186-7. [DOI: 10.1080/10255842.2014.931676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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33
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Castanheiro T, Donnard M, Gulea M, Suffert J. Cyclocarbopalladation/Cross-Coupling Cascade Reactions in Sulfide Series: Access to Sulfur Heterocycles. Org Lett 2014; 16:3060-3. [DOI: 10.1021/ol501165h] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Thomas Castanheiro
- Laboratoire d’Innovation
Thérapeutique, UMR 7200 CNRS-Unistra, Faculté de Pharmacie, Université de Strasbourg, 74 Route du Rhin, Illkirch, France
| | - Morgan Donnard
- Laboratoire d’Innovation
Thérapeutique, UMR 7200 CNRS-Unistra, Faculté de Pharmacie, Université de Strasbourg, 74 Route du Rhin, Illkirch, France
| | - Mihaela Gulea
- Laboratoire d’Innovation
Thérapeutique, UMR 7200 CNRS-Unistra, Faculté de Pharmacie, Université de Strasbourg, 74 Route du Rhin, Illkirch, France
| | - Jean Suffert
- Laboratoire d’Innovation
Thérapeutique, UMR 7200 CNRS-Unistra, Faculté de Pharmacie, Université de Strasbourg, 74 Route du Rhin, Illkirch, France
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34
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Tait M, Donnard M, Minassi A, Lefranc J, Bechi B, Carbone G, O’Brien P, Clayden J. Amines Bearing Tertiary Substituents by Tandem Enantioselective Carbolithiation–Rearrangement of Vinylureas. Org Lett 2013. [DOI: 10.1021/ol4002009] [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: 11/28/2022]
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35
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Tait M, Donnard M, Minassi A, Lefranc J, Bechi B, Carbone G, O’Brien P, Clayden J. Amines Bearing Tertiary Substituents by Tandem Enantioselective Carbolithiation–Rearrangement of Vinylureas. Org Lett 2012; 15:34-7. [DOI: 10.1021/ol3029324] [Citation(s) in RCA: 39] [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: 11/28/2022]
Affiliation(s)
- Michael Tait
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K., and Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
| | - Morgan Donnard
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K., and Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
| | - Alberto Minassi
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K., and Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
| | - Julien Lefranc
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K., and Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
| | - Beatrice Bechi
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K., and Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
| | - Giorgio Carbone
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K., and Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
| | - Peter O’Brien
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K., and Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
| | - Jonathan Clayden
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K., and Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
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36
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Vincent MA, Campbell Smith A, Donnard M, Harford PJ, Haywood J, Hillier IH, Clayden J, Wheatley AEH. Lithiated Tertiary Carbanions Display Variable Coordination Modes: Evidence from DFT and NMR Studies. Chemistry 2012; 18:11036-45. [DOI: 10.1002/chem.201200734] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2012] [Revised: 04/30/2012] [Indexed: 11/10/2022]
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37
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Campbell Smith A, Donnard M, Haywood J, McPartlin M, Vincent MA, Hillier IH, Clayden J, Wheatley AEH. Ligand Effects in the Formation of Tertiary Carbanions from Substituted Tertiary Aromatic Amides. Chemistry 2011; 17:8078-84. [DOI: 10.1002/chem.201100240] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2011] [Indexed: 11/09/2022]
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Clayden J, Donnard M, Lefranc J, Tetlow DJ. Quaternary centres bearing nitrogen (α-tertiary amines) as products of molecular rearrangements. Chem Commun (Camb) 2011; 47:4624-39. [DOI: 10.1039/c1cc00049g] [Citation(s) in RCA: 149] [Impact Index Per Article: 11.5] [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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39
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Lefranc J, Tetlow DJ, Donnard M, Minassi A, Gálvez E, Clayden J. Geometry-Selective Synthesis of E or Z N-Vinyl Ureas (N-Carbamoyl Enamines). Org Lett 2010; 13:296-9. [DOI: 10.1021/ol1027442] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [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)
- Julien Lefranc
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Daniel J. Tetlow
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Morgan Donnard
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Alberto Minassi
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Erik Gálvez
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Jonathan Clayden
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
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Clayden J, Donnard M, Lefranc J, Minassi A, Tetlow DJ. Tandem beta-alkylation-alpha-arylation of amines by carbolithiation and rearrangement of N-carbamoyl enamines (vinyl ureas). J Am Chem Soc 2010; 132:6624-5. [PMID: 20411935 DOI: 10.1021/ja1007992] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Organolithiums add in an umpolung fashion to the beta-carbon of N-carbamoyl enamines (N-vinyl ureas). The reaction proceeds with syn diastereospecificity and provides urea-stabilized, configurationally defined organolithiums. Facilitated by coordinating solvents (THF or DMPU), these undergo intramolecular attack on an N'-aryl group, resulting in retentive arylation of the organolithium and hence overall addition of an alkyl or aryl group to both carbon atoms of the urea-substituted alkene. Facile deprotection in hot butanol permits the rapid, multicomponent construction of heavily substituted amines.
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Affiliation(s)
- Jonathan Clayden
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
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Fiancette R, Vincent C, Donnard M, Bordessoule D, Turlure P, Trimoreau F, Denizot Y. Genes encoding multiple forms of phospholipase A(2) are expressed in immature forms of human leukemic blasts. Leukemia 2009; 23:1196-9. [PMID: 19262597 DOI: 10.1038/leu.2009.36] [Citation(s) in RCA: 10] [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: 11/10/2022]
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Mann A, Spangenberg T, Airiau E, Thuong M, Donnard M, Billet M. Expeditious Syntheses of (±)-allo-Sedamine and (±)-allo-Lobeline via a Combination
of Aza-Sakurai-Hosomi and Hydroformylation Reactions. Synlett 2008. [DOI: 10.1055/s-0028-1083543] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Denizot Y, Donnard M, Guglielmi L, Faucher JL, Jaccard A, Bordessoule D, Trimoreau F. Detection of functional platelet-activating factor receptors on leukemic B cells of chronic lymphocytic leukemic patients. Leuk Lymphoma 2004; 45:515-8. [PMID: 15160913 DOI: 10.1080/1042819032000141293] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Although platelet-activating factor receptors (PAF-R) are reported on normal B cells, few results are available concerning leukemic ones. We demonstrated functional PAF-R on cell and nuclear surfaces of leukemic B cells of chronic lymphocytic leukemic (CLL) patients. Analysis of 102 patients revealed dramatic differences for their membrane PAF-R expression, a result that might be related to their plasma IL-4 levels. In the light of the potent immunoregulatory role of PAF on B cell physiology, it is suggested that the presence or absence of PAF-R on leukemic B cells may profoundly affect their in vivo behavior.
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Affiliation(s)
- Y Denizot
- UMR CNRS 6101, Laboratoire d'Hématologie and Service d'Hématologie Clinique et de Thérapie Cellulaire, CHU Dupuytren, Limoges, France.
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Guglielmi L, Trimoreau F, Donnard M, Jaccard A, Bordessoule D, Denizot Y. Presence of membrane platelet-activating factor receptors on B cells of chronic B cell leukaemia patients. Leuk Lymphoma 2003; 44:1087-8. [PMID: 12854918 DOI: 10.1080/1042819031000083352] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Donnard M, Guglielmi L, Turlure P, Piguet C, Couraud MJ, Bordessoule D, Denizot Y. Membrane and intracellular platelet-activating factor receptor expression in leukemic blasts of patients with acute myeloid and lymphoid leukemia. Stem Cells 2003; 20:394-401. [PMID: 12351810 DOI: 10.1634/stemcells.20-5-394] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Platelet-activating factor (PAF), a phospholipid mediator with a wide range of actions on mature leukocytes, acts through PAF-receptors (PAF-Rs) on the membranes of responsive cells. No results are available concerning the putative presence of PAF-Rs on leukemic blasts. Using multiparameter flow cytometry, we assessed intracellular and membrane PAF-Rs on blast cells of acute myeloid leukemic (AML) and acute lymphoid leukemic (ALL) patients. Membrane PAF-Rs were documented in 7/15 cases of ALL and 0/28 cases of AML. Putative intracellular PAF-Rs were found in blasts of 8/8 ALL and 13/13 AML patients. Vitamin D(3) and dimethyl sulfoxide that induced the expression of PAF-Rs on the membrane of the human promyelocytic leukemia cell line, HL60, failed to induce their expression on the membranes of CD34(+) AML blasts. The lack of membrane PAF-Rs on the membranes of AML blasts confirms that these receptors represent a marker of mature cells and that their membrane induction is a consequence of cell maturation and differentiation.
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MESH Headings
- Acute Disease
- Adult
- Aged
- Antigens, CD/immunology
- Antigens, CD34/immunology
- Antigens, Differentiation, Myelomonocytic/immunology
- Biomarkers, Tumor/immunology
- Biomarkers, Tumor/metabolism
- Cell Differentiation/immunology
- Cell Membrane/immunology
- Cell Membrane/metabolism
- Female
- Flow Cytometry
- Hematopoietic Stem Cells/immunology
- Hematopoietic Stem Cells/metabolism
- Humans
- Intracellular Fluid/immunology
- Intracellular Fluid/metabolism
- Leukemia, Lymphoid/immunology
- Leukemia, Lymphoid/metabolism
- Leukemia, Myeloid, Acute/immunology
- Leukemia, Myeloid, Acute/metabolism
- Lymphocyte Activation/immunology
- Male
- Platelet Activating Factor/immunology
- Platelet Activating Factor/metabolism
- Platelet Membrane Glycoproteins/immunology
- Platelet Membrane Glycoproteins/metabolism
- Receptors, Cell Surface/immunology
- Receptors, Cell Surface/metabolism
- Receptors, G-Protein-Coupled
- Sialic Acid Binding Ig-like Lectin 3
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Affiliation(s)
- M Donnard
- UMR CNRS 6101, Service d'Hématologie Clinique, Service de Pédiatrie, CHU Dupuytren, Limoges, France
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Abstract
Macrophage colony stimulating factor (CSF-1 or M-CSF) is involved in haemopoiesis and probably in mouse gestation. Sexual steroids induce its production by uterine glandular epithelial cells and its receptor (product of the protooncogene C-FMS) is expressed on placental trophoblastic cells. We measured M-CSF serum levels in 119 pregnant women and in eight women undergoing ovarian hyperstimulation for in vitro fertilization. M-CSF increased early (4-8 weeks) and progressively during gestation. Its rapid elevation during the course of ovarian hyperstimulation suggests that its synthesis is probably induced by sexual steroids. This locally produced M-CSF could play a role in human pregnancy and in the pathogenesis of thrombocytopenias observed during pregnancy.
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Affiliation(s)
- V Praloran
- Laboratoire d'Hématologie Expérimentale, Faculté de Médecine, Limoges, France
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