Results 61 to 70 of about 141,846 (176)

Semiheterogeneous Dual Nickel/Photocatalytic (Thio)etherification Using Carbon Nitrides [PDF]

, 2019
A carbon nitride material can be combined with homogeneous nickel catalysts for light-mediated cross-couplings of aryl bromides with alcohols under mild conditions.
Cavedon, Cristian, Madani, Amiera, Pieber, Bartholomäus, Seeberger, Peter H.   +3 more
core   +1 more source

An efficient and sustainable biodiesel production in a mechanochemical pilot reactor under heterogeneous catalysis [PDF]

, 2018
Fatty acid methyl esters (FAME) produced from vegetable oils or animal fats by transesterification, or from the esterification of fatty acids, with methanol, is labeled as ‘‘Biodiesel”.
Halloumi, Samy, Lacoste, François, Lair, Valentin, Maireles-Torres, Pedro Jesús, Malpartida-García, Irene, Thiel, Julien   +5 more
core  

Enhanced Proton Spillover at Pt‐Cluster/NiO Interface Reduces the Acidic–Alkaline Hydrogen Evolution Activity Gap

Small Science
The sluggish hydrogen evolution reaction (HER) kinetics in alkaline media, primarily attributed to the additional water dissociation step, has led to a significant activity gap between acidic and alkaline conditions.
Ashwani Kumar, Jinsun Lee, Min Gyu Kim, Harun Tüysüz   +3 more
doaj   +1 more source

Concerted catalysis of single atom and nanocluster enhances bio-ethanol activation and dehydrogenation

Nature Communications
Single atom and nanocluster catalysts are extensively investigated in heterogeneous catalysis due to their high catalytic activity and atomic utilization, while their coexisting properties and potentially synergistic effect are yet to be clarified ...
Zhao Sun, Weizhi Shi, Louise R. Smith, Nicholas F. Dummer, Haifeng Qi, Zhiqiang Sun, Graham J. Hutchings   +6 more
doaj   +1 more source

Reduction of diphenylacetylene using Al powder in the presence of noble metal catalysts in water [PDF]

, 2016
Diphenylacetylenes can be reduced to the corresponding diphenylethanes (2) in water in excellent yield using Al powder and Pd/C at 60 °C for 3 h in a sealed tube.
Kowser, Zannatul, Rayhan, Ummey, Redshaw, Carl, Yamato, Takehiko   +3 more
core   +1 more source

Heterogenisation of ketone catalysts within mesoporous supports for asymmetric epoxidation

, 2013
The synthesis of the first mesoporous silica (150 Å) anchored carbohydrate-derived chiral ketone is described. This new heterogeneous catalyst has been shown to be effective in the asymmetric epoxidation of olefins by oxone.
Adam, Aggarwal, Amadori, Amadori, Armstrong, Beckwith, Bellamy, Bloch, Caprio, Chadwick, Cho, Corey, Denmark, Denmark, Denmark, Dondoni, Farina, Frohn, Goeddel, Heitbaum, Hutchings, Jacobsen, Johansson Seechurn, Johnson, Johnson, Jones, Katsuki, McMorn, Page, Page, Pedragosa-Moreau, Raja, Raynor, Ren, Romesberg, Ross, Sartori, Shephard, Shu, Song, Stearman, Thomas, Thomas, Thomas, Tian, Tian, Tian, van den Broek, Wang, Wang, Wang, Wang, Wong, Wong, Xia, Xiong, Xuereb, Yang, Yang, Zhao, Zhu   +60 more
core   +1 more source

Supported Gold Nanoparticles for Alcohols Oxidation in Continuous-Flow Heterogeneous Systems [PDF]

, 2017
Gold nanoparticles (AuNPs) were anchored on alkynyl carbamate-functionalized support materials having the suitable features for application as catalysts in continuous-flow packed bed reactors.
Ballarin, Barbara, BARRECA, DAVIDE, Boanini, Elisa, Cassani, Maria Cristina, Dambruoso, Paolo, Massi, Alessandro, Mignani, Adriana, Nanni, Daniele, Parise, Chiara, Zaghi, Anna   +9 more
core   +2 more sources

Tandem reductive amination and deuteration over a phosphorus-modified iron center

Nature Communications
Deuterated amines are key building blocks for drug synthesis and the identification of metabolites of new pharmaceuticals, which drives the search for general, efficient, and widely applicable methods for the selective synthesis of such compounds.
Haifeng Qi, Yueyue Jiao, Jianglin Duan, Nicholas F. Dummer, Bin Zhang, Yujing Ren, Stuart H. Taylor, Yong Qin, Kathrin Junge, Haijun Jiao, Graham J. Hutchings, Matthias Beller   +11 more
doaj   +1 more source

Radical-constructed intergrown titanosilicalite interfaces for efficient direct propene epoxidation with H2 and O2

Nature Communications
The development of titianosilicates is considered a major milestone in oxidative catalysis due to the ability of framework Ti sites to co-ordinate hydrogen peroxide/peroxy species.
Dong Lin, Xiang Feng, Yang Xu, Richard J. Lewis, Xiao Chen, Thomas E. Davies, Samuel Pattisson, Mark Douthwaite, Defu Yin, Qiuming He, Xiuhui Zheng, De Chen, Chaohe Yang, Graham J. Hutchings   +13 more
doaj   +1 more source

Model for heterogeneous catalysis on metal surfaces with application to hypersonic flows [PDF]

, 1999
A model for heterogeneous catalysis for Copper, Nickel, and Platinum has been devised. The model simulates the heterogeneous chemical kinetics of dissociated air flow impinging metal surfaces. Elementary phenomena such as, atomic and molecular adsorption,
Barbato, Maurizio, Bruno, Claudio, Muylaert, J., Reggiani, S.   +3 more
core