Search Results - "Sotiropoulos, Jean‐Marc"

A New Route to E‐Stilbenes through the Transition‐Metal‐Free KOtBu/DMF‐Promoted Direct Coupling of Alcohols with Phenyl Acetonitriles by Liu, Xiaoping, Sotiropoulos, Jean‐Marc, Taillefer, Marc

“…An alternative route to synthesise alkenes, based only on the KOtBu/DMF promoted activation and direct coupling of alcohols with phenyl acetonitriles, is…”
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C−Boron Enolates Enable Palladium Catalyzed Carboboration of Internal 1,3‐Enynes by Wang, Ziyong, Wu, Jason, Lamine, Walid, Li, Bo, Sotiropoulos, Jean‐Marc, Chrostowska, Anna, Miqueu, Karinne, Liu, Shih‐Yuan

“…A new family of carbon‐bound boron enolates, generated by a kinetically controlled halogen exchange between chlorocatecholborane and silylketene acetals, is…”
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Asymmetric Hydroxylative Phenol Dearomatization Promoted by Chiral Binaphthylic and Biphenylic Iodanes by Bosset, Cyril, Coffinier, Romain, Peixoto, Philippe A., El Assal, Mourad, Miqueu, Karinne, Sotiropoulos, Jean-Marc, Pouységu, Laurent, Quideau, Stéphane

“…The long‐standing quest for chiral hypervalent organoiodine compounds (i.e., iodanes) as metal‐free reagents for asymmetric synthesis continues. Although…”
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Tuning the Electronic Properties of Bridged Dithienyl‐, Difuryl‐, Dipyrrolyl‐Vinylene as Precursors of Small‐Bandgap Conjugated Polymer by Garo, Jordan, Nicolini, Tommaso, Sotiropoulos, Jean‐Marc, Raimundo, Jean‐Manuel

“…Optoelectronic properties of linear π‐conjugated polymers/oligomers are of great importance for the fabrication of organic photonic and electronic devices. To…”
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Brønsted Acid‐Catalyzed Enantioselective Cycloisomerization of Arylalkynes by Gicquiaud, Julien, Abadie, Baptiste, Dhara, Kalyan, Berlande, Murielle, Hermange, Philippe, Sotiropoulos, Jean‐Marc, Toullec, Patrick Y.

“…The first example of an enantioselective carbocyclization of an alkyne‐containing substrate catalyzed by chiral Brønsted acids was achieved. The use of the…”
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Transition‐Metal‐Free Matsuda‐Heck Type Cross‐Coupling and Mechanistic Evidence for a Radical Mechanism by Bergès, Julien, Zaid, Yassir, Tlili, Anis, Sotiropoulos, Jean‐Marc, Taillefer, Marc

“…The Matsuda‐Heck reaction, usually performed with palladium catalysts, can be carried out under transition‐metal‐free conditions in the presence of a KOtBu/DMF…”
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Direct analysis of aldehydes and carboxylic acids in the gas phase by negative ionization selected ion flow tube mass spectrometry: Quantification and modelling of ion–molecule reactions by Ghislain, Mylène, Costarramone, Nathalie, Sotiropoulos, Jean‐Marc, Pigot, Thierry, Van Den Berg, Robin, Lacombe, Sylvie, Le Bechec, Mickael

“…Rationale The concentrations of aldehydes and volatile fatty acids have to be controlled because of their potential harmfulness in indoor air or relationship…”
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Imidazol(in)ium Hydrogen Carbonates as a Genuine Source of N-Heterocyclic Carbenes (NHCs): Applications to the Facile Preparation of NHC Metal Complexes and to NHC-Organocatalyzed Molecular and Macromolecular Syntheses by Fèvre, Maréva, Pinaud, Julien, Leteneur, Alexandre, Gnanou, Yves, Vignolle, Joan, Taton, Daniel, Miqueu, Karinne, Sotiropoulos, Jean-Marc

“…Anion metathesis of imidazol­(in)­ium chlorides with KHCO3 afforded an easy one step access to air stable imidazol­(in)­ium hydrogen carbonates, denoted as…”
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Brønsted Acid‐Catalyzed Carbocyclization of 2‐Alkynyl Biaryls by Gicquiaud, Julien, Hacıhasanoğlu, Antoine, Hermange, Philippe, Sotiropoulos, Jean‐Marc, Toullec, Patrick Y.

“…Ortho‐alkynyl biaryls react in the presence of catalytic amount of Brønsted acids to give phenanthrenes in high yields under mild conditions. The activity and…”
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Evaluation of the donor character for urea-based foldamers throughout the empirical estimation of pKa by Toledo-González, Yaidel, Ahmed, Faykat, Sotiropoulos, Jean-Marc, Carbonnière, Philippe

“…H-bond donor capabilities are a key factor for (thio)urea-based helical foldamers to catalyze challenging enantioselective C–C bond-forming reactions. In this…”
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Allyl Complexes of Tungsten from the Rearrangement of Transient Cyclopropyl Precursors by Parker, Kyle D. J., Labat, Stéphane, Sotiropoulos, Jean‐Marc, Miqueu, Karinne, Pimienta, Véronique, Vendier, Laure, Etienne, Michel

“…This article explores the contrasting reactivity of cyclopropyl complexes of early transition metals. [Cp*W(NO)(CH2R)(c‐C3H5)] (R = SiMe3, Ph, t‐Bu) generated…”
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Direct and selective access to amino-poly(phenylene vinylenes)s with switchable properties by dimerizing polymerization of aminoaryl carbenes by Sobczak, Quentin, Kunche, Aravindu, Magis, Damien, Carrizo, Daiann Sosa, Miqueu, Karinne, Sotiropoulos, Jean-Marc, Cloutet, Eric, Brochon, Cyril, Landais, Yannick, Taton, Daniel, Vignolle, Joan

“…Despite the ubiquity of singlet carbenes in chemistry, their utility as true monomeric building blocks for the synthesis of functional organic polymers has…”
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Asymmetric Alkynylation of β‐Ketoesters and Naphthols Promoted by New Chiral Biphenylic Iodanes by Companys, Simon, Peixoto, Philippe A., Bosset, Cyril, Chassaing, Stefan, Miqueu, Karinne, Sotiropoulos, Jean‐Marc, Pouységu, Laurent, Quideau, Stéphane

“…The preparation of new chiral biphenylic λ3‐iodane reagents bearing transferable alkynyl ligands is described. These reagents transfer their carbon‐based…”
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Synthesis of a Donor-Stabilized Silacyclopropan-1-one by Rodriguez, Ricardo, Troadec, Thibault, Gau, David, Saffon-Merceron, Nathalie, Hashizume, Daisuke, Miqueu, Karinne, Sotiropoulos, Jean-Marc, Baceiredo, Antoine, Kato, Tsuyoshi

“…As intriguing as the Bermuda Triangle: The synthesis and characterization of an isolable silacyclopropan‐1‐one (see structure; red O, blue N, green Si, yellow…”
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Synthesis and Characterization of an Isolable Base-Stabilized Silacycloprop-1-ylidene by Rodriguez, Ricardo, Troadec, Thibault, Kato, Tsuyoshi, Saffon-Merceron, Nathalie, Sotiropoulos, Jean-Marc, Baceiredo, Antoine

“…Strained but stable: An isolable silacycloprop‐1‐ylidene stabilized by intramolecular complexation with an iminophosphorus ylide fragment was successfully…”
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Stannylenes and Germylenes Stabilized by Tetradentate Bis(amidine) Ligands with a Rigid Naphthalene Backbone by Acuña, Alejandra, Mallet-Ladeira, Sonia, Sotiropoulos, Jean-Marc, Maerten, Eddy, Cabrera, Alan R, Baceiredo, Antoine, Kato, Tsuyoshi, Rojas, René S, Madec, David

“…An unusual series of germylenes and stannylenes stabilized by new tetradentate bis(amidine) ligands RNC(R')N-linker-NC(R')NR with a rigid naphthalene backbone…”
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Reversible Silylene Insertion Reactions into Si−H and P−H σ-Bonds at Room Temperature by Rodriguez, Ricardo, Contie, Yohan, Nougué, Raphael, Baceiredo, Antoine, Saffon-Merceron, Nathalie, Sotiropoulos, Jean-Marc, Kato, Tsuyoshi

“…Phosphine‐stabilized silylenes react with silanes and a phosphine by silylene insertion into E−H σ‐bonds (E=Si,P) at room temperature to give the corresponding…”
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Transition‐Metal‐Free Synthesis of Biarylmethanes from Aryl Iodides and Benzylic Ketones by Pichette Drapeau, Martin, Tlili, Anis, Zaid, Yassir, Toummini, Dounia, Ouazzani Chahdi, Fouad, Sotiropoulos, Jean‐Marc, Ollevier, Thierry, Taillefer, Marc

“…An original metal‐free procedure for the synthesis of biarylmethanes is disclosed herein. The reactions occur with high selectivity starting from aryl iodides…”
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Organic Lewis Pairs Based on Phosphine and Electrophilic Silane for the Direct and Controlled Polymerization of Methyl Methacrylate: Experimental and Theoretical Investigations by Nzahou Ottou, Winnie, Conde-Mendizabal, Egoitz, Pascual, Ana, Wirotius, Anne-Laure, Bourichon, Damien, Vignolle, Joan, Robert, Frédéric, Landais, Yannick, Sotiropoulos, Jean-Marc, Miqueu, Karinne, Taton, Daniel

“…Fully organic Lewis pairs, combining a phosphine such as tri-n-butylphosphine (P n Bu3), tritert-butylphosphine (P t Bu3) or tris­(2,4,6-trimethoxyphenyl)…”
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Short‐Lived Orthobenzyne Complexes with Early Transition Metals of Group IV. First Direct Characterization and Electronic Cartography by Coupling FVT/UV‐PES with Calculations by Miqueu, Karinne, Labat, Stéphane, Daiann Sosa Carrizo, E., Sotiropoulos, Jean‐Marc

“…Short‐lived η2‐benzyne metallocene complexes [Cp2M(η2‐c‐C6H4)] with group IV metals are important intermediates in organic chemistry, their olefin insertion…”
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