Organopalladium chemistry

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Publications associées (30)

Diester-Substituted Aminocyclopropanes: Synthesis and Use in [3+2]-Annulation Reactions

Jérôme Waser, Florian Patrick Marie Daniel De la Barre De Nanteuil, Eloísa Sofía Serrano Robledo

In this Letter, we describe the synthesis of new donor-acceptor substituted cyclopropanes bearing various imido groups and their use in [3+2]-annulation reactions. A sequence of palladium-catalyzed vinylation and rhodium-catalyzed cyclopropanation gave acc ...

Georg Thieme Verlag2014

Access to beta-Lactams by Enantioselective Palladium(0)-Catalyzed C(sp(3))-H Alkylation

Nicolai Cramer, Tanguy Jean Daniel Saget, Julia Pedroni, Michele Boghi

beta-Lactams are very important structural motifs because of their broad biological activities as well as their propensity to engage in ring-opening reactions. Transitionmetal- catalyzed C-H functionalizations have emerged as strategy enabling yet uncommon ...

Wiley-Blackwell2014

Synthesis of Functionalized Spiroindolines via Palladium-Catalyzed Methine C-H Arylation

Nicolai Cramer, Tanguy Jean Daniel Saget

The synthesis of cyclopropyl spiroindolines is described using an intramolecular palladium(0)-catalyzed C-H functionalization of a methine C(sp(3))-H bond. This transformation can be coupled with intermolecular Suzuki couplings or direct arylations of hete ...

Amer Chemical Soc2013

C2-Selective Direct Alkynylation of Indoles

Jérôme Waser, Jonathan Brand, Gergely Laszlo Tolnai, Stephanie Ganss

The first C2-selective alkynylation of indoles using the hypervalent iodine reagent triisopropylsilylethyny1-1,2-benziodoxol-3(1H)-one (TIPS-EBX) with Pd(II) as a catalyst is described. This convenient and robust method gives a single-step access to substi ...

American Chemical Society2013

Development of Palladium Surface-Enriched Heteronuclear Au-Pd Nanoparticle Dehalogenation Catalysts in an Ionic Liquid

Paul Joseph Dyson, Gabor Laurenczy, Ning Yan, Yuan Yuan, Xiao Yuan, Xi Chen

Heteronuclear Au–Pd nanoparticles were prepared and immobilized in the functionalized ionic liquid [C2OHmim][NTf2]. The structural and electronic properties of the nanoparticles were characterized by a range of techniques and the surface of the nanoparticl ...

Wiley-Blackwell2013

Chiral Monodentate Trialkylphosphines Based on the Phospholane Architecture

Nicolai Cramer, Tanguy Jean Daniel Saget, Pavel Alexandrovich Donets

The development of efficient chiral monodentate phosphine ligands lags behind that of the bidentate congeners. This holds especially true for highly electron rich chiral phosphine analogues able to replace the ubiquitous tricyclohexylphosphine and tri-tert ...

Amer Chemical Soc2012

Evaluation of ionic liquid soluble imidazolium tetrachloropalladate pre-catalysts in Suzuki coupling reactions

Paul Joseph Dyson, Rosario Scopelliti, Zhaofu Fei, Ning Yan, Kelly Joan Kilpin, Xiang Li, Hongbing Song

Imidazolium salts with aromatic groups 1,3-bis(9-anthracenylmethyl)imidazolium chloride ([Bamim]Cl), 1,3-bis(1-naphthalenylmethyl)imidazolium chloride ([Bnmim]Cl) and 1,3-bis( benzylmethyl)imidazolium chloride ([Bbmim]Cl) were reacted with PdCl2 forming th ...

Elsevier2012

Creating Tertiary and Quaternary Carbon Centers by Nickel and Copper-Catalyzed Cross-Coupling Reactions of Alkyl Electrophiles

Peng Ren

Transition-metal-catalyzed C-C coupling reactions have been extensively studied in the past three decades. These reactions have become invaluable to fundamental research and industrial applications, because they can be used construct complicated molecules ...

EPFL2012

Palladium Alkynyl and Allenylidene Complexes: Very Efficient Precatalysts for C-C Coupling Reactions

Oxidative addition of BrC CC(=O)O-menthyl (1a) to [Pd(PPh3)(4)] affords the alkynyl complex trans-[Br(PPh3)(2)Pd-C CC(=O)O-menthyl] (2a). Subsequent reaction of 2a with trifluoroacetate gives trans-[(F3CCOO)(PPh3)(2)Pd-C CC(=O)O-menthyl] (3a). Reaction of ...

2011

Pd, Pt, and Ru complexes of a pincer bis(amino)amide ligand

Rosario Scopelliti, Xile Hu, Oleg Vechorkin, Peng Ren, Isuf Salihu

An improved synthesis of pincer ligand bis[(2-dimethylamino)phenyl]amine (MeN2NH) was reported. Reaction of the Li complex of MeN2N with suitable Pd, Pt, and Ru precursors gave the corresponding metal complexes. The structures of the Pd, Pt, and Ru complex ...

Royal Society of Chemistry2011

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