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Publications associées (209)

Amine synthesis via iron-catalysed reductive coupling of nitroarenes with alkyl halides

Xile Hu, Chi Wai Cheung

(Hetero)Aryl amines, an important class of organic molecules in medicinal chemistry, are most commonly synthesized from anilines, which are in turn synthesized by hydrogenation of nitroarenes. Amine synthesis directly from nitroarenes is attractive due to ...

Nature Publishing Group2016

An Easily Accessed Nickel Nanoparticle Catalyst for Alkene Hydrosilylation with Tertiary Silanes

Xile Hu, Ivan Buslov, Fang Song

The first efficient and non-precious nanoparticle catalyst for alkene hydrosilylation with commercially relevant tertiary silanes has been developed. The nickel nanoparticle catalyst was prepared in situ from a simple nickel alkoxide precatalyst Ni((OBu)-B ...

Wiley-Blackwell2016

Recent developments of iron pincer complexes for catalytic applications

Xile Hu, Gerald Bauer

Iron catalysis is attractive for organic synthesis because iron is inexpensive, abundant, and non-toxic. To control the activity and stability of an iron center, a large number of iron pincer complexes have been synthesized. Many such complexes exhibit exc ...

Chinese Chemical Soc2016

From Water Oxidation to Reduction: Transformation from NixCo3-xO4 Nanowires to NiCo/NiCoOx Heterostructures

Xile Hu, Fang Song, Lei Liu

A homologous Ni-Co based nanowire catalyst pair, composed of NixCo3-xO4 nanowires and NiCo/NiCoOx nanohybrid, is developed for efficient overall water splitting. NixCo3-xO4 nanowires are found as a highly active oxygen evolution reaction (OER) catalyst, an ...

Amer Chemical Soc2016

A Structure-Activity Study of Nickel NNN Pincer Complexes for Alkyl-Alkyl Kumada and Suzuki-Miyaura Coupling Reactions

Rosario Scopelliti, Xile Hu, Marko Stojanovic, Thomas Clément Di Franco, Sébastien Carlos Keller

A new series of Ni NNN pincer complexes were synthesized and characterized. The main difference among these complexes is the substituents on the side arm amino group(s). No major structural difference was found except for the C-N-C angle of the various sub ...

Wiley-Blackwell2016

A nickel iron diselenide-derived efficient oxygen-evolution catalyst

Xile Hu, Fang Song, Xiang Xu

Efficient oxygen-evolution reaction catalysts are required for the cost-effective generation of solar fuels. Metal selenides have been reported as promising oxygen-evolution catalysts; however, their active forms are yet to be elucidated. Here we show that ...

Nature Publishing Group2016

From Dimethylamine to Pyrrolidine: The Development of an Improved Nickel Pincer Complex for Cross-Coupling of Nonactivated Secondary Alkyl Halides

Rosario Scopelliti, Pablo Marcelo Perez Garcia, Xile Hu, Thomas Clément Di Franco, Alexandre Epenoy

Replacement of a dimethyl amino group of the amidobis(amine) nickel(II) pincer complex (1), [((N2N)-N-Me)-Ni-Cl], by a pyrrolidino group resulted in a new nickel(II) pincer complex (2), [((PNNN)-N-yr-N-Me)Ni-Cl]. Complex 2 is an efficient catalyst for Kuma ...

American Chemical Society2016

Stereoselective Synthesis of Trisubstituted Alkenes through Sequential Iron-Catalyzed Reductive anti-Carbozincation of Terminal Alkynes and Base-Metal-Catalyzed Negishi CrossCoupling

Xile Hu, Chi Wai Cheung

The stereoselective synthesis of trisubstituted alkenes is challenging. Here, we show that an iron-catalyzed anti-selective carbozincation of terminal alkynes can be combined with a base-metal-catalyzed cross coupling to prepare trisubstituted alkenes in a ...

Wiley-Blackwell2015

Chemoselective Alkene Hydrosilylation Catalyzed by Nickel Pincer Complexes

Xile Hu, Mickael Montandon-Clerc, Simona Mazza, Ivan Buslov, Jeanne Marine Edith Becouse

Chemoselective hydrosilylation of functionalized alkenes is difficult to achieve using base-metal catalysts. Reported herein is that well-defined bis(amino) amide nickel pincer complexes are efficient catalysts for anti-Markovnikov hydrosilylation of termi ...

Wiley-Blackwell2015

Ionic liquids enhance the electrochemical CO2 reduction catalyzed by MoO2

Xile Hu, Yeonji Oh

Several imidazolium-based ionic liquids significantly enhance the activity of MoO2 for electrochemical reduction of CO2. The over-potential of CO2 reduction is as low as 40 mV. The ionic liquids act as both electrolytes and co-catalysts, which not only lea ...

Royal Society of Chemistry2015

Hydrogen-activating models of hydrogenases

Xile Hu, Dafa Chen, Tao Xu

Hydrogenases are biological catalysts for hydrogen evolution and activation. While many model complexes of hydrogenases can catalyze the hydrogen evolution reaction, few of them can react with hydrogen. Here we review the hydrogen-activating models of hydr ...

Elsevier2015

Synthesis of E-Alkyl Alkenes from Terminal Alkynes via Ni-Catalyzed Cross-Coupling of Alkyl Halides with B-Alkenyl-9-borabicyclo[3.3.1]nonanes

Xile Hu, Thomas Clément Di Franco, Alexandre Epenoy

The first Ni-catalyzed Suzuki-Miyaura coupling of alkyl halides with alkenyl-(9-BBN) reagents is reported. Both primary and secondary alkyl halides including alkyl chlorides can be coupled. The coupling method can be combined with hydroboration of terminal ...

American Chemical Society2015

An Optically Transparent Iron Nickel Oxide Catalyst for Solar Water Splitting

Michael Graetzel, Xile Hu, Stanley David Tilley, Aswani Yella, Carlos Gilberto Morales Guio, Matthew Thomas Mayer

Sunlight-driven water splitting to produce hydrogen fuel is an attractive method for renewable energy conversion. Tandem photoelectrochemical water splitting devices utilize two photoabsorbers to harvest the sunlight and drive the water splitting reaction. ...

2015

Ni2P as a Janus catalyst for water splitting: the oxygen evolution activity of Ni2P nanoparticles

Xile Hu, Lucas-Alexandre Stern, Ligang Feng, Fang Song

Electrochemical water splitting into hydrogen and oxygen is a promising method for solar energy storage. The development of efficient electrocatalysts for water splitting has drawn much attention. However, catalysts that are active for both the hydrogen ev ...

Royal Society of Chemistry2015

Chemoselective Hydrogenation and Transfer Hydrogenation of Aldehydes Catalyzed by Iron(II) PONOP Pincer Complexes

Rosario Scopelliti, Xile Hu, Simona Mazza

Iron-catalyzed hydrogenation has drawn much attention, yet the scope and chemoselectivity of iron catalysis warrant further improvement. Here we report new iron pincer complexes as chemoselective hydrogenation and transfer hydrogenation catalysts. Several ...

American Chemical Society2015

Copper-Catalyzed 1,2-Addition of alpha-Carbonyl Iodides to Alkynes

Xile Hu, Tao Xu

beta,gamma,-Unsaturated ketones are an important class of organic molecules. Herein, copper catalysis has been developed for the synthesis of --unsaturated ketones through 1,2-addition of -carbonyl iodides to alkynes. The reactions exhibit wide substrate s ...

Wiley-Blackwell2015

Photoelectrochemical Hydrogen Production in Alkaline Solutions Using Cu2O Coated with Earth-Abundant Hydrogen Evolution Catalysts

Michael Graetzel, Xile Hu, Stanley David Tilley, Laurent Liardet, Carlos Gilberto Morales Guio, Matthew Thomas Mayer

The splitting of water into hydrogen and oxygen molecules using sunlight is an attractive method for solar energy storage. Until now, photoelectrochemical hydrogen evolution is mostly studied in acidic solutions, in which the hydrogen evolution is more fac ...

Wiley-Blackwell2015

Z-Selective Olefin Synthesis via Iron-Catalyzed Reductive Coupling of Alkyl Halides with Terminal Arylalkynes

Xile Hu, Fedor Zhurkin, Chi Wai Cheung

Selective catalytic synthesis of Z-olefins has been challenging. Here we describe a method to produce 1,2-disubstituted olefins in high Z selectivity via reductive cross-coupling of alkyl halides with terminal arylalkynes. The method employs inexpensive an ...

American Chemical Society2015

Cross-Coupling of Nonactivated Primary and Secondary Alkyl Halides with Aryl Grignard Reagents Catalyzed by Chiral Iron Pincer Complexes

Xile Hu, Gerald Bauer, Chi Wai Cheung

Iron(III) bisoxazolinylphenylamido (bopa) pincer complexes are efficient precatalysts for the cross-coupling of nonactivated primary and secondary alkyl halides with phenyl Grignard reagents. The reactions proceed at room temperature in moderate to excelle ...

Georg Thieme Verlag2015

Nickel-Catalyzed Direct Alkylation of Terminal Alkynes at Room Temperature: A Hemilabile Pincer Ligand Enhances Catalytic Activity

Rosario Scopelliti, Pablo Marcelo Perez Garcia, Xile Hu, Peng Ren

Direct coupling of alkyl halides with terminal alkynes provides an efficient and streamlined access to alkyl-substituted alkynes, which are important synthetic intermediates, biologically active molecules, and organic materials. However, until now,there ha ...

American Chemical Society2015

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