Xile Hu

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Related publications (209)

The Nickel/Copper-Catalyzed Direct Alkylation of Heterocyclic C-H Bonds

A general and straightforward protocol for the cross-coupling of non-activated alkyl halides with heterocyclic CH bonds has been developed. The transformation is chemo- and regioselective and many functional groups on both coupling partners are tolerated. ...

Wiley-VCH Verlag GmbH2010

Carbon Dioxide as the C1 Source for Direct C−H Functionalization of Aromatic Heterocycles

Nathalie Hirt, Oleg Vechorkin, Xile Hu

A simple and straightforward method has been developed for the direct carboxylation of aromatic heterocylces such as oxazoles, thiazoles, and oxadiazoles using CO2 as the C1 source. The reactions require no metal catalyst and only Cs2CO3 as the base. A goo ...

American Chemical Society2010

An Iron Carbonyl Pyridonate Complex Related to the Active Site of the [Fe]-Hydrogenase (Hmd)

Rosario Scopelliti, Blaise Valentin Obrist, Xile Hu, Dafa Chen

A mononuclear iron bis(carbonyl) pyridonate complex (1), which exhibits several common structural features with the active site of the iron−sulfur cluster-free [Fe]- hydrogenase, was synthesized and characterized. Spectroscopic data of 1 suggests a 2+ oxid ...

2009

Ni-Catalyzed Cross Coupling of Non-Activated and Functionalized Alkyl Halides with Alkyl Grignard Reagents

Oleg Vechorkin, Xile Hu

The title reaction is realized by using an isolated NiII complex (1). The catalysis tolerates a wide range of important functional groups that are often incompatible with Grignard reagents in cross-coupling reactions. ...

Wiley-VCH Verlag GmbH2009

Nickel Complexes of a Pincer Amidobis(amine) Ligand: Synthesis, Structure, and Activity in Stoichiometric and Catalytic C—C Bond Forming Reactions of Alkyl Halides

Rosario Scopelliti, Oleg Vechorkin, Xile Hu

NiII complexes of the new pincer amidobis(amine) ligand are described. The Ni chloride complex catalyzes Kumada-Corriu-Tamao coupling of unactivated alkyl halides with alkyl Grignard reagents, as well as double C-C coupling of CH2Cl2 with alkyl Grignard re ...

2009

Ni-Catalyzed Sonogashira Coupling of Non-activated Alkyl Halides: Orthogonal Functionalization of Alkyl Iodides, Bromides, and Chlorides

Delphine Barmaz, Oleg Vechorkin, Xile Hu, Valérie Proust

Ni-catalyzed Sonogashira coupling of nonactivated, β-H- containing alkyl halides, including chlorides, is reported. The coupling is tolerant to a wide range of functional groups, including ether, ester, amide, nitrile, keto, heterocycle, acetal, and aryl h ...

2009

Hydrogen Evolution at Liquid–Liquid Interfaces

Hubert Girault, Bin Su, Raheleh Partovi Nia, Xile Hu, Imren Hatay, Heron Vrubel

Blowing bubbles: Hydrogen evolution by proton reduction with [(C5Me5)2Fe] occurs at a soft interface between water and 1,2-dichloroethane (DCE). The reaction proceeds by proton transfer assisted by [(C5Me5)2Fe] across the water–DCE interface with subsequen ...

Wiley-VCH Verlag GmbH2009

Functional group tolerant Kumada-Corriu-Tamao coupling of non-activated alkyl halides with aryl and heteroaryl nucleophiles: Catalysis by a nickel pincer complex permits the coupling of functionalized Grignard reagents

Oleg Vechorkin, Xile Hu, Valérie Proust

A nickel(II) pincer complex [(MeNN2)NiCl] (1) catalyzes Kumada−Corriu−Tamao cross coupling of nonactivated alkyl halides with aryl and heteroaryl Grignard reagents. The coupling of octyl bromide with phenylmagnesium chloride was used as a test reaction. Us ...

2009

Nickel Complexes of a Pincer NN2 Ligand: Multiple Carbon-Chloride Activation of CH2Cl2 and CHCl3 Leads to Selective Carbon-Carbon Bond Formation

Rosario Scopelliti, Oleg Vechorkin, Xile Hu

A new pincer-type bis(amido)amine (NN2) ligand and its lithium and nickel complexes, including Ni(II) methyl, ethyl, and phenyl complexes, were synthesized. The Ni(II) alkyl complexes react cleanly with alkyl halides including chlorides to form C−C coupled ...

2008

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