Publications related to Alkyne

Acetylene Oligomerization over Pd Nanoparticles with Controlled Shape: A Parahydrogen-Induced Polarization Study

Lioubov Kiwi, Rocio Micaela Crespo Quesada

Substantial signal enhancements achieved by using parahydrogen in catalytic hydrogenations are powerful tools for mechanistic studies of chemical reactions involving molecular H-2. Potentially, this technique can be extended to other reaction classes, prov ...

American Chemical Society2016

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

Atomistic Description of Reaction Intermediates for Supported Metathesis Catalysts Enabled by DNP SENS

David Lyndon Emsley, David Benjamin Roger Antoine Gajan

Obtaining detailed structural information of reaction intermediates remains a key challenge in heterogeneous catalysis because of the amorphous nature of the support and/or the support interface that prohibits the use of diffraction-based techniques. Combi ...

2016

Room-Temperature Decarboxylative Alkynylation of Carboxylic Acids Using Photoredox Catalysis and EBX Reagents

Jérôme Waser, Franck Le Vaillant, Thibaut Christian Courant

Alkynes are used as building blocks in synthetic and medicinal chemistry, chemical biology, and materials science. Therefore, efficient methods for their synthesis are the subject of intensive research. Herein, we report the direct synthesis of alkynes fro ...

Wiley-Blackwell2015

Shape-Dependence of Pd Nanocrystal Carburization during Acetylene Hydrogenation

Lioubov Kiwi, Fernando Cardenas Lizana, Rocio Micaela Crespo Quesada

This interdisciplinary work combines the use of shape- and size-defined Pd nanocrystals (cubes of 10 and 18 nm, and octahedra of 37 nm) with in situ techniques and DFT calculations to unravel the dynamic phenomena with respect to Pd reconstruction taking p ...

Amer Chemical Soc2015

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

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

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

Intramolecular palladium-catalyzed alkene carboalkynylation

Jérôme Waser, Stefano Nicolai, Peter Swallow

Carbocycles are essential building blocks for the synthesis of natural and synthetic bioactive compounds. Herein, we report the first example of palladium-catalyzed intramolecular carboalkynylation of non-activated olefins. Using activated carbonyl compoun ...

Elsevier2015

Sulfonamide and Tertiary Amine as Nucleophiles in Pd(II)-Catalyzed Diamination of Alkynes: Synthesis of Tetracyclic Indolobenzothiazine S,S‑Dioxides

Qian Wang, Jieping Zhu, Bo Yao, Minh Tu Ha

Pd(II)-catalyzed oxidative double cyclization of the 1,2-diarylethynes bearing an N-methyl-N-(2-methoxycarbonyl)ethylamino and an aminosulfonyl group afforded indolobenzothiazine S,S-dioxides in good to excellent yields. The 2-(methoxycarbonyl)ethyl group ...

American Chemical Society2015

Chemoselective Alkene Hydrosilylation Catalyzed by Nickel Pincer Complexes

Xile Hu, Ivan Buslov, Mickael Montandon-Clerc, Simona Mazza, 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

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Alkyne

Acetylene Oligomerization over Pd Nanoparticles with Controlled Shape: A Parahydrogen-Induced Polarization Study

Recent developments of iron pincer complexes for catalytic applications

Atomistic Description of Reaction Intermediates for Supported Metathesis Catalysts Enabled by DNP SENS

Room-Temperature Decarboxylative Alkynylation of Carboxylic Acids Using Photoredox Catalysis and EBX Reagents

Shape-Dependence of Pd Nanocrystal Carburization during Acetylene Hydrogenation

Synthesis of diverse di- to penta-substituted 1,2-dihydropyridine derivatives from gold(I)-catalyzed intramolecular addition of tertiary enamides to alkynes

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

Intramolecular palladium-catalyzed alkene carboalkynylation

Sulfonamide and Tertiary Amine as Nucleophiles in Pd(II)-Catalyzed Diamination of Alkynes: Synthesis of Tetracyclic Indolobenzothiazine S,S‑Dioxides

Chemoselective Alkene Hydrosilylation Catalyzed by Nickel Pincer Complexes

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Recent developments of iron pincer complexes for catalytic applications

Acetylene Oligomerization over Pd Nanoparticles with Controlled Shape: A Parahydrogen-Induced Polarization Study

Atomistic Description of Reaction Intermediates for Supported Metathesis Catalysts Enabled by DNP SENS

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

Room-Temperature Decarboxylative Alkynylation of Carboxylic Acids Using Photoredox Catalysis and EBX Reagents

Shape-Dependence of Pd Nanocrystal Carburization during Acetylene Hydrogenation

Synthesis of diverse di- to penta-substituted 1,2-dihydropyridine derivatives from gold(I)-catalyzed intramolecular addition of tertiary enamides to alkynes

Intramolecular palladium-catalyzed alkene carboalkynylation

Sulfonamide and Tertiary Amine as Nucleophiles in Pd(II)-Catalyzed Diamination of Alkynes: Synthesis of Tetracyclic Indolobenzothiazine S,S‑Dioxides

Chemoselective Alkene Hydrosilylation Catalyzed by Nickel Pincer Complexes