Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Thomas Martzel"'
1
Diastereoselective addition of redox active esters to azomethine imines by electrosynthesis
Autor: Ludovic Leleu, Thomas Martzel, Arona Fall, Morgane Sanselme, Vincent Levacher, Sylvain Oudeyer, Jean-François Brière
Publikováno v: Chemical communications (Cambridge, England). 58(41)
Highly stereoselective addition of electrogenerated putative radical species to chiral azomethine imines occurs upon SET cathodic reduction of redox-active N-(acyloxy)phthalimide esters.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1adc2c69eb64b39b5c3eeac0dc799181
https://pubmed.ncbi.nlm.nih.gov/35503100
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2
The Catalytic Regio- and Stereoselective Synthesis of 1,6-Diazabicyclo[4.3.0]nonane-2,7-diones
Autor: Carlos Afonso, Morgane Sanselme, Vincent Levacher, Jean-François Brière, Arthur Lebrêne, Laura Gouriou, Corinne Loutelier-Bourhis, Sylvain Oudeyer, Thomas Martzel
Publikováno v: Journal of Organic Chemistry
Journal of Organic Chemistry, American Chemical Society, 2021, 86 (13), pp.8600-8609. ⟨10.1021/acs.joc.1c00252⟩
International audience; A straightforward synthesis of original 1,6-diazabicyclo[4.3.0]nonane-2,7-diones was achieved through a DBU-organocatalyzed multicomponent Knoevenagel-aza-Michael-Cyclocondensation (KMC) reaction which takes advantage of an un
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::767ea5b7da1271d9875b6356c494b4ef
https://hal-normandie-univ.archives-ouvertes.fr/hal-03322396/file/JOC2021.pdf
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3
Multicomponent Catalytic Enantioselective Synthesis of Isoxazolidin‐5‐Ones
Autor: Julien Annibaletto, Thomas Martzel, Sylvain Oudeyer, Jean-François Brière, Vincent Levacher
Publikováno v: Advanced Synthesis and Catalysis
Advanced Synthesis and Catalysis, Wiley-VCH Verlag, 2021, 363, pp.4447-4451. ⟨10.1002/adsc.202100719⟩
International audience; We report herein a strategy to afford a multicomponent catalytic enantioselective synthesis of βsubstituted isoxazolidin-5-ones via a KMC process promoted by a suited cupreine used as bifunctional organocatalyst. The hydroxam
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f18d90df79816d6c805af0a2c11cde6
https://hal-normandie-univ.archives-ouvertes.fr/hal-03322422
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4
Organocatalytic Multicomponent Synthesis of α/β‐Dipeptide Derivatives
Autor: Vincent Levacher, Julien Annibaletto, Jean-François Brière, Morgane Sanselme, Thomas Martzel, Etienne Pair, Sylvain Oudeyer, Pierre Millet
Publikováno v: Chemistry-A European Journal
Chemistry-A European Journal, Wiley-VCH Verlag, 2020, 26, pp.8541. ⟨10.1002/chem.202001214⟩
International audience; A straightforward multicomponent Knoevenagel‐aza‐Michael‐Cyclocondensation reaction involving readily available hydroxamic acid‐derived from naturally occurring α‐amino acids allows a diversity‐oriented synthesis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c244a6ef7ad438a96499bc6240248df3
https://hal-normandie-univ.archives-ouvertes.fr/hal-02523950/document
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5
Sulfinate-Organocatalyzed (3+2) Annulation Reaction of Propargyl or Allenyl Sulfones with Activated Imines
Autor: Jean-François Lohier, Thomas Martzel, Stéphane Perrio, Jean-François Brière, Annie-Claude Gaumont
Publikováno v: European Journal of Organic Chemistry. 2018:5069-5073
The synthesis of 4‐sulfonyl‐3‐pyrrolines, from a propargylic sulfone and activated imines, is described. The annulation is initiated by sodium benzenesulfinate as organocatalyst, which allows isomerization of the alkynyl precursor to the analog
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cb3f2c5952d72a0ac850e41247db4c7
https://doi.org/10.1002/ejoc.201800749
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7
Photochemically Induced Intramolecular Radical Cyclization Reactions with Imines
Autor: Clément Michelin, Corentin Lefebvre, Véronique Bulach, Manabu Abe, Vaneck Djou’ou Mvondo, Thomas Martzel, Norbert Hoffmann
Publikováno v: Journal of Organic Chemistry
Journal of Organic Chemistry, American Chemical Society, 2018, 83 (4), pp.1867-1875. ⟨10.1021/acs.joc.7b02810⟩
International audience; The photochemically induced intramolecular hydrogen abstraction or hydrogen atom transfer in cyclic imines 8a,b followed by a cyclization is investigated. Two types of products are observed, one resulting from the formation of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af44e4823e450f6de893db265c78d532
https://doi.org/10.1021/acs.joc.7b02810
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8
C5‐Disubstituted Meldrum’s Acid Derivatives as Platform for the Organocatalytic Synthesis of C3‐Alkylated Dihydrocoumarins
Autor: Sylvain Oudeyer, Thomas Martzel, Julien Annibaletto, Vincent Levacher, Jean-François Brière
Publikováno v: Advanced Synthesis and Catalysis
Advanced Synthesis and Catalysis, Wiley-VCH Verlag, 2019, 361 (5), pp.995-1000. ⟨10.1002/adsc.201801453⟩
European symposium on organic chemistry (ESOC, 21, 2019)
European symposium on organic chemistry (ESOC, 21, 2019), Jul 2019, Vienne, Austria
Advanced Synthesis and Catalysis, Wiley-VCH Verlag, 2018, ⟨10.1002/adsc.201801453⟩
International audience; C5‐disubstituted Meldrum's acid precursors were shown to be a useful platform for the synthesis of an array of 3‐alkylated dihydrocoumarins with up to 93:7 er, thanks to an enantioselective domino cyclization‐decarboxyla
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96de84582a9035e655f398c270c437f2
https://hal-normandie-univ.archives-ouvertes.fr/hal-02197276/file/AdvSynthCat2019(a).pdf
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9
Sulfinate-Organocatalyzed (3+2) Annulation of Allenyl Sulfones with 1,1-Dicyano Olefins in the Presence of a Quaternary Ammonium Phase Transfer Agent
Autor: Thomas Martzel, Stéphane Perrio, Jean-François Brière, Annie-Claude Gaumont, Jean-François Lohier
Publikováno v: Advanced Synthesis and Catalysis
Advanced Synthesis and Catalysis, Wiley-VCH Verlag, 2018, 360 (14), pp.2696-2706. ⟨10.1002/adsc.201800466⟩
International audience; The benzenesulfinate‐catalyzed (3+2) annulation between allenyl sulfones and aryl(alkyl)idenemalononitriles has been developed under mild phase transfer conditions, affording a breadth of functionalized sulfonyl cyclopentene
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8735db5c654a271bb4e7a40bf8842efc
https://hal-normandie-univ.archives-ouvertes.fr/hal-01850385
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10
Unique Reactivity of α-Substituted Electron-Deficient Allenes using Sulfinate Salts as Lewis Base Organocatalysts
Autor: Thomas Martzel, Jean-François Brière, Annie-Claude Gaumont, Jean-François Lohier, Stéphane Perrio
Publikováno v: Advanced Synthesis and Catalysis
Advanced Synthesis and Catalysis, Wiley-VCH Verlag, 2017, 359 (1), pp.96-106. ⟨10.1002/adsc.201600929⟩
International audience; The efficient sulfinate‐catalyzed intermolecular addition reaction of α‐substituted allenyl sulfones and allenoates with Michael acceptors is highlighted. The sequence proceeds under mild conditions to provide a scalable
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0618a3e972a5f666ebe10411b18601fc
https://hal-normandie-univ.archives-ouvertes.fr/hal-01830252
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