LEBEL Group © 2019

Publications

(63)  

Continuous Flow Palladium-Catalyzed Trifluoromethylthiolation of C-H Bonds

 Alexanne Bouchard, Vanessa Kairouz, Maxime Manneveau, Heng-Ying Xiong, Tatiana Besset,* Xavier Pannecoucke and Hélène    Lebel.*

J. Flow Chem. 2019Accepted, s41981-018-0023-4.

(64)  

Batch and Continuous‐Flow Iron(II)‐Catalyzed Synthesis of Sulfilimines and Sulfoximines using N‐Mesyloxycarbamates

 Calvine Lai, Gary Mathieu, Lucia Paola Gabrielli Tabarez and Hélène Lebel.

Chem. Eur. J. 2019Accepted. (doi.org/10.1002/chem.201900953)

(61) 

Continuous Flow Chloration of Alkenyl Iodides Promoted by Copper Tubing

Antoine Nitelet, Hélène Lebel,* André B. Charette, Gwilherm Evano.*

Synthesis. 201951, 251-257

Capture d’écran 2018-12-14 à 20.10.10.pn

(60) 

Chemoselective Synthesis of Amines from Ammonium Hydroxide and Hydroxylamine in Continuous Flow

Clément AudubertAlexanne BouchardGary Mathieu and Hélène Lebel

J. Org. Chem201883, 14203–14209

Highlighted in Synfacts (10.1055/s-0038-1611397)

jo-2018-02387y_0010.gif

(59) 

(R)-2,2,2-trichloro-1-phenylethyl (methylsulfonyl)-oxycarbamate

Hélène Lebel,* Henri Piras and Johan Bartholoméüs.

Org. Synth. 201895, 310-337

(58)

Mild Esterification of Carboxylic Acids via Continuous Flow Diazotization of Amines 

Clement Audubert  and Hélène Lebel

Org. Lett. 2017, 19, 4407−4410

Highlighted in Org. Process Res. Dev. (10.1021/acs.oprd.7b00303)

(57)

Dirhodium (II) tetrakis[N-4-bromo-1,8-naphthoyl-(S)-tert-leucinate]

Hélène Lebel, Henri Piras, and Johan Bartholoméüs 

Org. Synth. 201794, 136-152

(56) 

Synthesis of oxazolidinones: rhodium-catalyzed C–H amination of N-mesyloxycarbamates

Hélène LebelLaura Mamani LaparraMaroua Khalifa, Carl Trudel, Clément Audubert, Mathieu SzponarskiCédric Dicaire Leduc,  Emna Azek and Matthias Ernzerhof

Org. Biomol. Chem. 2017, 15, 4144-4158.

(55)

Batch and Continuous-Flow One-Pot Processes using Amine Diazotization to Produce Silylated Diazo Reagents

Clément Audubert, Oscar Javier Gamboa Marin and Hélène Lebel. 

Angew. Chem. Int. Ed. 2017, 56, 6294-6297.

(54)

 Iron-Catalyzed Amination of Sulfides and Sulfoxides with Azides in Photochemical Continuous Flow Synthesis

Hélène Lebel, Henri Piras and Marie Borduy

ACS Catal., 2016, 6, 1109-1112

(53) 

Stereoselective Synthesis of Chiral Sulfilimines from N-Mesyloxycarbamates: Metal-Nitrenes versus Metal-Nitrenoids Species

Hélène Lebel, Henri Piras.

J. Org. Chem., 201580, 3572-3585

(52)

Rhodium-Catalyzed Stereoselective Amination of Thioethers with N-Mesyloxycarbamates: DMAP and Bis(DMAP)CH2Cl2 as Key Additives

Hélène Lebel, Henri Piras and Johan Bartholoméüs.

Angew. Chem. Int. Ed. 2014, 53, 7300-7304

(51)

Palladium-Catalyzed Saegusa–Ito Oxidation: Synthesis of α,β-Unsaturated Carbonyl Compounds from Trimethylsilyl Enol Ethers

Yingdong LuPierre Long NguyenNicolas Lévaray, and Hélène Lebel.

J. Org. Chem., 201378, 776-779

(50)

Copper bis(oxazolines) as catalysts for stereoselective aziridination of styrenes with N-tosyloxycarbamates

Hélène Lebel, Michael Parmentier, Olivier Leogane, Karen Ross and Cédric Spitz.

Tetrahedron. 2012, 68, 3396-3409

(49)

Stereoselective intermolecular C–H amination reactions

Hélène Lebel, Carl Trudel and Cédric Spitz.

Chem. Commun. 2012, 48, 7799–7801

(48)

Stereoselective Rhodium-Catalyzed Amination of Alkenes 

Hélène Lebel; Cédric Spitz, Olivier Leogane, Carl Trudel and Michaël Parmentier.

Org. Lett. 201113, 5460-5463

(47)

Olefination Reactions Using Tetraarylphosphonium (TAP)-Supported Phosphorus Ylides

Hélène Lebel; Michaël Davi, Marie-Noelle Roy, Walid Zeghida, André b. Charette.

Synthesis. 2011, 2275-2280.

(46)

Copper-Catalyzed Enantioselective Aziridination of Styrenes 

Hélène Lebel; Michaël Parmentier.

Pure App. Chem. 201082, 1827-1833.

(45)

One-pot Curtius Rearrangement Processes from Carboxylic Acids

Olivier Leogane; Hélène Lebel.

Synthesis 2009, 1935-1940.

(44)

Copper-Catalyzed Tandem Oxidation-Olefination Process 

Michaël Davi; Hélène Lebel.

Org. Lett. 200911, 41-44

(43)

Preparation of 4-Spirocyclohexyloxazolidinone by C-H Bond Nitrene Insertion

Kim Huard; Hélène Lebel.

Org. Synth. 200986, 59-69.

(42)

Mild and Efficient One-Pot Curtius Rearrangement: Preparation of N-tert-Butyl Adamantanyl-1-yl-carbamate and N-tert-Butyl 2-(Ethoxycarbonyl)-4-phenylbutan-2-ylcarbamate

Olivier Leogane; Hélène Lebel.

Org. Synth. 200986, 113-120.

(41)

One-Pot Approach for the Synthesis of GPR40 Receptor Agonists

Michaël Davi; Hélène Lebel.

Chem. Commun. 2008, 4974-4976.

(40)

Diazo Reagents in Copper(I)-Catalyzed Olefination of Aldehydes

Hélène Lebel; Michaël Davi.

Adv. Catal. Synth2008350, 2352-2358.

(39)

Transition Metal-Catalyzed Chemoselective Methylenation of Dicarbonyl Substrates

Hélène Lebel; Michaël Davi; Grzegorz T. Stoklosa.

J. Org. Chem200873, 6828-6830

(38)

Redetermination of the O-O Bond Length in the Dioxygen-Adduct of Vaska's Complex

Hélène Lebel; Chehla Ladjel; Francine Bélanger-Gariépy, Frank Schaper.

J. Organomet. Chem. 2008, 693, 2645-2648.

(37)

Iridium Complexes in Olefination Reactions

Hélène Lebel; Chehla Ladjel.

Organometallics. 200827, 2676-2678.

(36)

Rhodium-Catalyzed Amination Reaction from N-Tosyloxycarbamates

Kim Huard; Hélène Lebel.

Chem. Eur. J200814, 6222-6230.

(35)

Multicomponent Synthesis of Indoles from 2-Iodo Benzoic Acid

Hélène Lebel; Olivier Leogane.

Angew. Chem. Int. Ed. 200847, 350-352.

(34)

Copper-Catalyzed Alkene Aziridination with N-Tosyloxycarbamates 

Hélène Lebel; Sylvain Lectard; Michaël Parmentier.

Org. Lett20079, 4797-4800.

(33)

Palladium-Catalyzed Cross-Coupling Reactions in One Pot Multicatalytic Processes

Hélène Lebel; Chehla Ladjel; Lise Brethous.

 J. Am. Chem. Soc. 2007129, 13321-13326.

(32)

Copper-Catalyzed Methylenation Reaction: Total Synthesis of (+)-Desoxygaliellalactone

Hélène Lebel; Michaël Parmentier.

Org. Lett20079, 3563-4566.

(31)

De Novo Synthesis of Troc-Protected Amines: Intermolecular Rhodium-Catalyzed C-H Amination with N-Tosyloxycarbamates 

Hélène Lebel; Kim Huard.

Org. Lett. 20079, 639-642.

(30)

Copper-Carbene Complexes as Catalysts in the Synthesis of Functionalized Styrenes and Aliphatic Alkenes

Hélène Lebel; Mikaël Davi, Silvia Díez-González, Steven P. Nolan.

J. Org. Chem. 200772, 144-149.

(29)

Curtius Rearrangement of Aromatic Carboxylic Acids to Access Protected Anilines and Aromatic Ureas

Hélène Lebel, Olivier Leogane.

Org. Lett. 200678, 5717-5720.

(28)

Catalytic Activation of Nitrogen Derivatives with Transition Metal Complexes 

Hélène Lebel; Olivier Leogane; Kim Huard, Sylvain Lectard.

Pure App. Chem. 200678, 363-375.

(27)

N-Tosyloxycarbamates as a Source of Metal Nitrenes: Rhodium-Catalyzed C-H Insertion and Aziridination Reactions 

Hélène Lebel; Kim Huard, Sylvain Lectard.

J. Am. Chem. Soc. 2005107, 14198-14199.

(26)

Reductive One-Carbon Homologation of Aldehydes and Ketones

Hélène Lebel; Chehla Ladjel.

J. Org. Chem. 200570, 10159-10161

(25)

Boc-Protected Amines via a Mild and Efficient One-Pot Curtius Rearrangement 

Hélène Lebel; Olivier Leogane.

Org. Lett20057, 4107-4110.

(24)

Rhodium-Catalyzed Cascade Reactions: A Methylenation-Hydroboration Homologative Process

Hélène Lebel; Chehla Ladjel.

 J. Organomet. Chem. 2005690, 5198-5205.

(23)

Rhodium-Catalyzed Synthesis of Terminal Alkenes

Valérie Paquet; Hélène Lebel.

Synthesis 2005, 1901-1905.

(22)

Highly Efficient Synthesis of Terminal Alkenes from Ketones

Hélène Lebel; Danielle Guay; Valérie Paquet; Kim Huard.

Org. Lett20046, 3047-3050.

(21)

Paradigm from Nature: New Multicatalytic Processes for the Synthesis of Alkenes

Hélène Lebel; Valérie Paquet.

J. Am. Chem. Soc2004126, 11152-11153.

(20)

(R)-Bis[1,3-bis(1-phenylethyl)imidazolin-2-ylidene]-dichloropalladium(II) dichloromethane sovalte

Hélène Lebel; Maria del Rayo Sanchez Salvatori; Francine Bélanger-Gariépy.

Acta Cryst2004, E60, m755-m757.

(19)

Structure and Reactivity of 'Unusual' N-Heterocyclic Carbene (NHC) Palladium Complexes Synthesized from Imidazolium Salts

Hélène Lebel; Marc Janes; André B. Charette; Steven P. Nolan.

J. Am. Chem. Soc. 2004126, 5046-5047.

(18)

Catalytic Activity of a New Ruthenium-(Trimethylsilyl)-diazomethane Complex

Hélène Lebel; Valérie Paquet. 

Organometallics 200423, 1187-1190

(17)

Rhodium-Catalyzed Methylenation of Aldehydes

Hélène Lebel; Valérie Paquet.

J. Am. Chem. Soc. 2003126, 320-328.

(16)

Alkylation of Phosphine Boranes by Phase-Transfer Catalysis

Hélène Lebel; Sébastien Morin; Valérie Paquet.

Org. Lett20035, 2347-2349.

(15)

Stereoselective Cyclopropanation Reactions

Hélène Lebel; Jean-François Marcoux; Carmela Molinaro; André B. Charette.

Chem. Rev. 2003103, 977-1050.

(14)

Bis(oxazoline)·Copper(I)-Catalyzed Enantioselective Cyclopropanation of Cinnamate Esters with Diazomethane

André B. Charette; Marc Janes; Hélène Lebel.

Tetrahedron: Asymmetry 200314, 867-872.

(13)

Structural Characterization and Catalytic Activity of the Rhodium-Carbene Complex Rh(PPh3)2(IMes)Cl (IMes=bis(1,3-(2,4,6-trimethylphenyl)imidazol-2-ylidene)

Gabriela A. Grasa; Zakhia Moore; Kenneth L. Martin, Edwin D. Stevens; Steven P. Nolan, Valérie Paquet; Hélène Lebel. 

J. Organomet. Chem. 2002658, 126-131.

(12)

Highly Chemoselective Rhodium-Catalyzed Methylenation of Fluorine-Containing Ketones 

Hélène Lebel; Valérie Paquet.

Org. Lett20024, 1671-1674.

(11)

New Methylenation of Aldehydes: Transition Metal-Catalyzed Formation of Salt-Free Phosphorus Ylides

Hélène Lebel; Valérie Paquet; Caroline Proulx.

Angew. Chem. Int. Ed. Engl. 200140, 2887-2890.

(10)

(+)-(R,R)-μ-m-Phenylenedimethylenebis[tert-butyl(phenyl)phosphinebis(borane)

Hélène Lebel; Mikaël Berthod; Francine Bélanger-Gariépy.

Acta Cryst2001, E57, o282-o284

(9)

Chromium Catalyzed Kinetic Resolution of 2,2-Disubstituted Epoxides

Hélène Lebel; Eric N. Jacobsen.

Tetrahedron Lett. 199940, 7303-7306.

(8)

Cyclopropanation of Chiral Allylic Alcohols with the Dioxaborolane Ligand: Efficient Synthesis of Anti-Cyclopropylmethanol Derivatives

André B. Charette; Hélène Lebel; Alexandre Gagnon.

Tetrahedron. 199955, 8845-8856.

(7)

Enantioselective Total Synthesis of Taurospongin A

Hélène Lebel; Eric N. Jacobsen.

J. Org. Chem. 199963, 9624-9625.

(6)

(2S,3S)-(+)-(3-Phenylcyclopropyl) methanol

André B. Charette; Hélène Lebel.

Org. Synth. 199976, 86-100.

(5)

Enantioselective Cyclopropanation of Allylic Alcohols with Dioxaborolane Ligands: Scope and Synthetic Applications

André B. Charette; Hélène Juteau; Hélène Lebel; Carmela Molinaro.

J. Am. Chem. Soc1998120, 11943-11952.

(4)

Enantioselective Total Synthesis of (+)-U-106305

André B. Charette; Hélène Lebel.

J. Am. Chem. Soc. 1996118, 10327-10328.

(3)

The Chemo- and Enantioselective Cyclopropanation of Polyenes: Chiral Auxiliary vs Chiral Reagent-Based Approach

André B. Charette; Hélène Juteau; Hélène Lebel; Denis Deschênes.

Tetrahedron Lett199637, 7925-7928.

(2)

Diastereoselective Cyclopropanation of Chiral Allylic Alcohols: A More Efficient Reagent for the Relative Stereocontrol

André B. Charette; Hélène Lebel.

J. Org. Chem. 199560, 2966-2967.

(1)

A Remarkably Simple Conversion of Nitriles to Thioamides

Jacques-Yves Gauthier; Hélène Lebel.

Phosphorus, Sulfur and Silicon 199495-6, 325-326.