Pd–Co nanoalloys nested on CuO nanosheets for efficient electrocatalytic N2 reduction and room-temperature Suzuki–Miyaura coupling reaction

Nanoscale ◽  
2019 ◽  
Vol 11 (3) ◽  
pp. 1379-1385 ◽  
Author(s):  
Wenzhi Fu ◽  
Yudong Cao ◽  
Qianyi Feng ◽  
William R. Smith ◽  
Pei Dong ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Room Temperature ◽  
Coupling Reaction ◽  
Coupling Reactions ◽  
Ambient Conditions ◽  
Cuo Nanosheets

The nanoalloy structure greatly improves the catalytic activity for electrocatalytic N2 reduction and Suzuki–Miyaura coupling reactions under ambient conditions.

Room-Temperature, Water-Promoted, Radical-Coupling Reactions of Phenols with tert-Butyl Nitrite

Synlett ◽  
2017 ◽  
Vol 28 (16) ◽  
pp. 2153-2156 ◽  
Author(s):  
Wen-Ting Wei ◽  
Hongze Liang ◽  
Wen-Ming Zhu ◽  
Weida Liang ◽  
Yi Wu ◽  
...  
Keyword(s):  
Room Temperature ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Coupling Reactions ◽  
Phenol Derivative ◽  
Tert Butyl ◽  
Radical Coupling ◽  
Air Atmosphere ◽  
Cross Coupling Reaction ◽  
Temperature Water

A radical–radical cross-coupling reaction of phenols with tert-butyl nitrite has been developed with the use of water as an additive. This method allows the construction of C–N bonds under an air atmosphere at room temperature, providing the ortho-nitrated phenol derivative in moderate to good yields.

An easily prepared palladium-hydrogel nanocomposite catalyst for C–C coupling reactions

2014 ◽  
Vol 2 (44) ◽  
pp. 18952-18958 ◽  
Author(s):  
Mitasree Maity ◽  
Uday Maitra
Keyword(s):  
Palladium Nanoparticles ◽  
Room Temperature ◽  
Coupling Reaction ◽  
Coupling Reactions ◽  
Sodium Cyanoborohydride ◽  
Efficient Catalyst ◽  
Suzuki Coupling Reaction ◽  
Reaction In Water ◽  
Hydrogel Nanocomposite

Palladium nanoparticles were efficiently prepared in situ by sodium cyanoborohydride reduction of Pd(ii) at room temperature using calcium-cholate hydrogel fibers as templates. The PdNPs self-organize on the gel fibers, which supports the controlled growth as well as stabilization of PdNPs. The hybrid xerogel was used as an efficient catalyst for the Suzuki coupling reaction in water.

A highly efficient catalyst for Suzuki–Miyaura coupling reaction of benzyl chloride under mild conditions

RSC Advances ◽  
2014 ◽  
Vol 4 (69) ◽  
pp. 36437-36443 ◽  
Author(s):  
Zhenhong Guan ◽  
Buyi Li ◽  
Guoliang Hai ◽  
Xinjia Yang ◽  
Tao Li ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Benzyl Chloride ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Coupling Reactions ◽  
Efficient Catalyst ◽  
Microporous Polymers ◽  
Mild Conditions ◽  
Highly Efficient ◽  
Cross Coupling Reactions

Microporous polymers with built-in triphenylphosphine palladium exhibit highly efficient catalytic activity for cross-coupling reactions of benzyl chloride under mild conditions.

Construction of light-harvesting system for enhanced catalytic performance of Pd nanoframes toward Suzuki coupling reaction

2017 ◽  
Vol 5 (21) ◽  
pp. 10150-10153 ◽  
Author(s):  
Lini Yang ◽  
Qi Zhan ◽  
Zhenni Wang ◽  
Qiang Chen ◽  
Jing Tong ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Light Harvesting ◽  
Coupling Reaction ◽  
Suzuki Coupling ◽  
Catalytic Performance ◽  
Coupling Reactions ◽  
Suzuki Coupling Reaction

Au octahedra have been encapsulated into Pd nanoframes to further enhance the catalytic activity of Pd nanoframes toward Suzuki coupling reactions.

Palladium-Schiff-base-silica framework as a robust and recyclable catalyst for Suzuki–Miyaura cross-coupling in aqueous media

RSC Advances ◽  
2015 ◽  
Vol 5 (48) ◽  
pp. 38085-38092 ◽  
Author(s):  
Tahshina Begum ◽  
Manoj Mondal ◽  
Pradip K. Gogoi ◽  
Utpal Bora
Keyword(s):  
Schiff Base ◽  
Catalytic Activity ◽  
Room Temperature ◽  
Aqueous Media ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Recyclable Catalyst ◽  
Cross Coupling Reaction

A novel Pd@imine-SiO2 catalyst was prepared and found to exhibit excellent catalytic activity in a Suzuki-Miyaura cross-coupling reaction under aqueous media at room temperature.

scholarly journals Ni-Catalyzed Electrochemical C(sp2)−C(sp3) Cross-Coupling Reactions

2020 ◽  
Author(s):  
Jian Luo ◽  
Bo Hu ◽  
wenda wu ◽  
maowei hu ◽  
Tianbiao Liu
Keyword(s):  
Aryl Halide ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Coupling Reactions ◽  
Ambient Conditions ◽  
Acid Modification ◽  
Cross Coupling Reactions ◽  
Cross Coupling Reaction ◽  
Organozinc Reagents ◽  
Industrial Adoption

Nickel (Ni) catalyzed carbon-carbon (C−C) cross-coupling has been considerably developed in last decades and has demonstrated unique reactivities compared to palladium. However, existing Ni catalyzed cross-coupling reactions, despite success in organic synthesis, are still subject to the use of air-sensitive nucleophiles (i.e. Grignard and organozinc reagents), or catalysts (i.e. Ni<sup>0</sup> pre-catalysts), significantly limiting their academic and industrial adoption. Herein, we report that, through electrochemical voltammetry screening and optimization, the redox neutral C(sp<sup>2</sup>)‒C(sp<sup>3</sup>) cross-coupling can be accomplished in an undivided cell configuration using bench-stable aryl halide or β-bromostyrene (electrophiles) and benzylic trifluoroborate (nucleophiles) reactants, non-precious, bench stable catalysts consisting of NiCl<sub>2</sub>•glyme pre-catalyst and polypyridine ligands under ambient conditions. The broad reaction scope and good yields of the Ni-catalyzed electrochemical coupling reaction were confirmed by 48 examples of aryl/β-styrenyl chloride/bromide and benzylic trifluoroborates. Its potential applications were demonstrated by late-stage functionalization of pharmaceuticals and natural amino acid modification. Furthermore, this electrochemical C−C cross-coupling reaction was demonstrated at gram-scale in a flow-cell electrolyzer for practical industrial adoption. Finally, an array of chemical and electrochemical studies mechanistically indicates that electrochemical C−C cross-coupling reaction proceeds through an unconventional radical trans-metalation mechanism.

Ultrasound accelerated expedient and eco-friendly synthesis of aryl sulfonates using I2 as catalyst at ambient conditions

2021 ◽  
Vol 18 ◽  
Author(s):  
Sha Zhu ◽  
Bin-Bin Wang ◽  
Mei-Chen Tan ◽  
Xiaofu Qian ◽  
Shengneng Ying ◽  
...  
Keyword(s):  
Energy Saving ◽  
Room Temperature ◽  
Coupling Reaction ◽  
Ambient Conditions ◽  
Metal Free ◽  
Mild Conditions ◽  
Efficient Construction ◽  
Ultrasound Assisted

: By using an energy-saving and eco-friendly approach for the efficient construction of aryl sulfonates through ultrasound-assisted coupling reaction of readily sodium sulfinates with N-hydroxyphthalimide was developed under metal-free and mild conditions within 10 min at room temperature.

An N-heterocyclic carbene-functionalised covalent organic framework with atomically dispersed palladium for coupling reactions under mild conditions

2019 ◽  
Vol 21 (19) ◽  
pp. 5267-5273 ◽  
Author(s):  
Junjuan Yang ◽  
Yuanyuan Wu ◽  
Xiaowei Wu ◽  
Wenjing Liu ◽  
Yaofang Wang ◽  
...  
Keyword(s):  
Room Temperature ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Coupling Reactions ◽  
Pure Ethanol ◽  
Covalent Organic Framework ◽  
Mild Conditions ◽  
Cross Coupling Reaction ◽  
Aqueous Solvent ◽  
Organic Framework

We report a heterogeneous catalyst based on N-heterocyclic carbene-functionalized covalent organic framework, which shows high activity in the C–C cross coupling reaction at room temperature in pure/ethanol aqueous solvent even with multiple reuse.

Insights into the effects of surface properties of oxides on the catalytic activity of Pd for C–C coupling reactions

Nanoscale ◽  
2015 ◽  
Vol 7 (7) ◽  
pp. 3016-3021 ◽  
Author(s):  
Sai Zhang ◽  
Jing Li ◽  
Wei Gao ◽  
Yongquan Qu
Keyword(s):  
Catalytic Activity ◽  
Surface Properties ◽  
Electron Density ◽  
Strong Evidence ◽  
Oxidative Addition ◽  
Coupling Reaction ◽  
Interfacial Effect ◽  
Coupling Reactions ◽  
High Concentration ◽  
Pd Catalysts

It has been experimentally found that ceria supports with strong basicity and high concentration of O-vacancies significantly enrich the electron density of Pd catalysts and accelerate the step of oxidative addition for C–C coupling reaction. The FTIR and XPS provide strong evidence supporting for this interfacial effect.

Pd(OAc)2 and (DHQD)2PHAL as a simple, efficient and recyclable/reusable catalyst system for Suzuki–Miyaura cross-coupling reactions in H2O at room temperature

2015 ◽  
Vol 39 (4) ◽  
pp. 2440-2443 ◽  
Author(s):  
Bishwajit Saikia ◽  
Abdul Aziz Ali ◽  
Preeti Rekha Boruah ◽  
Diganta Sarma ◽  
Nabin Chandra Barua
Keyword(s):  
Room Temperature ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Catalyst System ◽  
Reusable Catalyst ◽  
Coupling Reactions ◽  
Cross Coupling Reactions ◽  
Cross Coupling Reaction

Suzuki–Miyaura cross-coupling reaction catalyzed by Pd(OAc)2–(DHQD)2PHAL is a very simple, mild, efficient and recyclable/reusable protocol for the synthesis of biaryls/heterobiaryls in neat H2O at room temperature.

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