Search Results - "Jackowski, Olivier"

Catalytic Chemoselective and Stereoselective Semihydrogenation of Alkynes to E‑Alkenes Using the Combination of Pd Catalyst and ZnI2 by Maazaoui, Radhouan, Abderrahim, Raoudha, Chemla, Fabrice, Ferreira, Franck, Perez-Luna, Alejandro, Jackowski, Olivier

“…An efficient E-selective semihydrogenation of internal alkynes was developed under low dihydrogen pressure and low reaction temperature from commercially…”
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Direct Synthesis of Polysubstituted Aluminoisoxazoles and Pyrazoles by a Metalative Cyclization by Jackowski, Olivier, Lecourt, Thomas, Micouin, Laurent

“…Alumino-heteroles are obtained from simple precursors in a fully chemo- and regioselective manner by a metalative cyclization. The carbon–aluminum bond is…”
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α-(Aminomethyl)acrylates as acceptors in radical–polar crossover 1,4-additions of dialkylzincs: insights into enolate formation and trapping by Palillero-Cisneros, Angel, Gordillo-Guerra, Paola G, García-Alvarez, Fernando, Jackowski, Olivier, Ferreira, Franck, Chemla, Fabrice, Terán, Joel L, Perez-Luna, Alejandro

“…We demonstrate that α-(aminomethyl)acrylates are suitable acceptors for 1,4-additions of dialkylzincs in aerobic conditions. The air-promoted radical–polar…”
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Domino Methylenation/Hydrogenation of Aldehydes and Ketones by Combining Matsubara's Reagent and Wilkinson's Catalyst by Maazaoui, Radhouan, Pin‐Nó, María, Gervais, Kevin, Abderrahim, Raoudha, Ferreira, Franck, Perez‐Luna, Alejandro, Chemla, Fabrice, Jackowski, Olivier

“…The methylenation/hydrogenation cascade reaction of aldehydes or ketones through a domino process involving two ensuing steps in a single pot is realized. The…”
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tert-Butanesulfinamides as Nitrogen Nucleophiles in Carbon–Nitrogen Bond Forming Reactions by Johana Ramirez Hernandez, Fabrice Chemla, Franck Ferreira, Olivier Jackowski, Julie Oble, Alejandro Perez-Luna, Giovanni Poli

“…The use of tert-butanesulfinamides as nitrogen nucleophiles in carbon–nitrogen bond forming reactions is reviewed. This field has grown in the shadow of the…”
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Copper-Free Asymmetric Allylic Alkylation with Grignard Reagents by Jackowski, Olivier, Alexakis, Alexandre

“…Open wide and say AAA: The copper‐free asymmetric allylic alkylation reaction of Grignard reagents, catalyzed by N‐heterocyclic carbenes, is reported for allyl…”
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Transition-Metal-Free Synthesis of Enantioenriched Tertiary and Quaternary α-Chiral Allylsilanes by Sevillano, Rubén Pérez, Ferreira, Franck, Jackowski, Olivier

“…Access to enantioenriched tertiary and quaternary α-chiral allysilanes without any transition-metal catalyst is reported. This was achieved by enantioselective…”
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Catalytic Chemoselective and Stereoselective Semihydrogenation of Alkynes to E-Alkenes Using the Combination of Pd Catalyst and ZnI 2 by Maazaoui, Radhouan, Abderrahim, Raoudha, Chemla, Fabrice, Ferreira, Franck, Perez-Luna, Alejandro, Jackowski, Olivier

“…An efficient E-selective semihydrogenation of internal alkynes was developed under low dihydrogen pressure and low reaction temperature from commercially…”
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Trans-Selective Radical Silylzincation of Ynamides by Romain, Elise, Fopp, Carolin, Chemla, Fabrice, Ferreira, Franck, Jackowski, Olivier, Oestreich, Martin, Perez-Luna, Alejandro

“…The silylzincation of terminal ynamides is achieved through a radical‐chain process involving (Me3Si)3SiH and R2Zn. A potentially competing polar mechanism is…”
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Radical Germylzincation of α‑Heteroatom-Substituted Alkynes by de la Vega-Hernández, Karen, Romain, Elise, Coffinet, Anais, Bijouard, Kajetan, Gontard, Geoffrey, Chemla, Fabrice, Ferreira, Franck, Jackowski, Olivier, Perez-Luna, Alejandro

“…The regio- and stereoselective addition of germanium and zinc across the C–C triple bond of nitrogen-, sulfur-, oxygen-, and phosphorus-substituted terminal…”
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Enantioselective Sequential Catalytic Arylation‐Fukuyama Cross‐coupling of 1,1‐Biszincioalkane Linchpins by Banchini, Federico, Leroux, Baptiste, Le Gall, Erwan, Presset, Marc, Jackowski, Olivier, Chemla, Fabrice, Perez‐Luna, Alejandro

“…1,1‐Bis(iodozincio)alkanes are used as dinucleophilic linchpins in an enantioselective double cross‐coupling reaction sequence involving aryl iodides and then…”
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Radical Germylzincation of Aryl- and Alkyl-Substituted Internal Alkynes by de la Vega-Hernández, Karen, Chemla, Fabrice, Ferreira, Franck, Jackowski, Olivier, Perez-Luna, Alejandro

“…The stereoselective germylzincation of internal alkynes delivering trisubstituted vinylgermanes is achieved via a radical chain process involving Ph3GeH and…”
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Multicomponent synthesis of α-branched amines using organozinc reagents generated from alkyl bromides by Leroux, Baptiste, Beaufils, Alexis, Banchini, Federico, Jackowski, Olivier, Perez-Luna, Alejandro, Chemla, Fabrice, Presset, Marc, Le Gall, Erwan

“…The use of alkylzinc bromides in the multicomponent Mannich reaction is described. Heteroleptic organozinc compounds were obtained in THF or 2-MeTHF by direct…”
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Stereodivergent Silylzincation of α‑Heteroatom-Substituted Alkynes by Fopp, Carolin, Romain, Elise, Isaac, Kevin, Chemla, Fabrice, Ferreira, Franck, Jackowski, Olivier, Oestreich, Martin, Perez-Luna, Alejandro

“…Zinc reagents (Me2PhSi)2Zn and [(Me3Si)3Si]2Zn undergo highly regio- and stereoselective addition across the carbon–carbon triple bond of nitrogen-, sulfur-,…”
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Stereoselective Double Functionalization of Geminated C(sp3)‐Organodimetallic Linchpins by Banchini, Federico, Leroux, Baptiste, Le Gall, Erwan, Presset, Marc, Jackowski, Olivier, Chemla, Fabrice, Perez‐Luna, Alejandro

“…Geminated C(sp3)‐organodimetallics can serve as dinucleophilic linchpins for the rapid assembly of complex molecular structures through two consecutive…”
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Copper-Free Asymmetric Allylic Alkylation with a Grignard Reagent: Design of the Ligand and Mechanistic Studies by Grassi, David, Dolka, Chrysanthi, Jackowski, Olivier, Alexakis, Alexandre

“…The Cu‐free asymmetric allylic alkylation, catalysed by NHC, with Grignard reagents is reported on allyl bromide derivatives with good results. The…”
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Catalytic Chemo and Stereoselective Semi-Hydrogenation of Alkynes to E-Alkenes Using the Combination of Pd catalyst and ZnI 2 by Maazaoui, Radhouan, Abderrahim, Raoudha, Chemla, Fabrice, Ferreira, Franck, Perez-Luna, Alejandro, Jackowski, Olivier

“…An efficient E-selective semihydrogenation of internal alkynes was developed under low dihydrogen pressure and low reaction temperature from commercially…”
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Corrigendum: Copper-Free Asymmetric Allylic Alkylation with Grignard Reagents by Jackowski, Olivier, Alexakis, Alexandre

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Development of a Radical Silylzincation of (Het)Aryl‐Substituted Alkynes and Computational Insights into the Origin of the trans‐Stereoselectivity by Romain, Elise, Vega‐Hernández, Karen, Guégan, Frédéric, Sanz García, Juan, Fopp, Carolin, Chemla, Fabrice, Ferreira, Franck, Gerard, Hélène, Jackowski, Olivier, Halbert, Stéphanie, Oestreich, Martin, Perez‐Luna, Alejandro

“…Aryl‐ and hetaryl‐substituted acetylenes undergo regio‐ and stereoselective silylzincation by reaction with [(Me3Si)3Si]2Zn in the presence of Et2Zn (10–110…”
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Radical Silyl‐ and Germylzincation of Propargylic Alcohols by Vega‐Hernández, Karen, Isaac, Kevin, Chemla, Fabrice, Ferreira, Franck, Jackowski, Olivier, Perez‐Luna, Alejandro

“…The silyl‐ and germylzincation of terminal or internal propargylic alcohols by reaction with (Me3Si)3SiH/Et2Zn, [(Me3Si)3Si]2Zn/Et2Zn or Ph3GeH/Et2Zn is…”
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