Insight into the Effect of Lewis Acid of W/Al-MCM-41 Catalyst on Metathesis of 1-Butene and Ethylene

2020 ◽  
Vol 604 ◽  
pp. 117772
Author(s):  
Xiaobo Chen ◽  
Jixia Liu ◽  
Hao Yan ◽  
Xin Zhou ◽  
Shuang Yao ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Insight Into ◽  
Mcm 41

scholarly journals Arenium cation or radical cation? An insight into the cyclodehydrogenation reaction of 2-substituted binaphthyls mediated by Lewis acids

RSC Advances ◽  
2020 ◽  
Vol 10 (37) ◽  
pp. 21974-21985
Author(s):  
Patricia Camargo Solórzano ◽  
María T. Baumgartner ◽  
Marcelo Puiatti ◽  
Liliana B. Jimenez
Keyword(s):  
Radical Cation ◽  
Lewis Acid ◽  
Reaction Mechanisms ◽  
Lewis Acids ◽  
Acid Synthesis ◽  
Theoretical Studies ◽  
Insight Into

Cyclodehydrogenation reactions of 2-substituted binaphthyls induced by a Lewis acid. Synthesis and theoretical studies of the reaction mechanisms.

Influence of Lewis Acid on the Activity and Selectivity of Pt/MCM-41 (Al) Catalysts for Oxidation of C3 Polyols in Base-Free Medium

2019 ◽  
Vol 58 (44) ◽  
pp. 20259-20269 ◽  
Author(s):  
Hao Yan ◽  
Siming Zhao ◽  
Shuang Yao ◽  
Wei Liang ◽  
Xiang Feng ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Free Medium ◽  
Mcm 41

An insight into the Lewis acid-catalyzed intramolecular aminocyanation and oxycyanation of alkenes: a concerted or stepwise mechanism

2015 ◽  
Vol 51 (84) ◽  
pp. 15450-15453 ◽  
Author(s):  
Jiyang Zhao ◽  
Guoqiang Wang ◽  
Shuhua Li
Keyword(s):  
Lewis Acid ◽  
Electrophilic Addition ◽  
Stepwise Mechanism ◽  
Acid Catalyzed ◽  
Insight Into

The Lewis-acid promoted intramolecular addition of X–CN (X = N, O) bonds to alkenes represents a novel type of electrophilic addition to alkenes.

Effective isomerization of glucose to fructose by Sn-MFI/MCM-41 composites as Lewis acid catalysts

2020 ◽  
Vol 116 ◽  
pp. 272-278
Author(s):  
Shuyan Lu ◽  
Jiafei Lyu ◽  
Xiwei Han ◽  
Peng Bai ◽  
Xianghai Guo
Keyword(s):  
Lewis Acid ◽  
Acid Catalysts ◽  
Lewis Acid Catalysts ◽  
Mcm 41

scholarly journals [1,3]/[1,4]-Sulfur atom migration in β-hydroxyalkylphosphine sulfides

2020 ◽  
Vol 16 ◽  
pp. 88-105
Author(s):  
Katarzyna Włodarczyk ◽  
Piotr Borowski ◽  
Marek Stankevič
Keyword(s):  
Dft Calculations ◽  
Lewis Acid ◽  
Sulfur Atom ◽  
Bronsted Acids ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Carbon Migration ◽  
Brönsted Acid ◽  
Atom Migration ◽  
Insight Into

β-Hydroxyalkylphosphine sulfides undergo [1,3]- or [1,4]-sulfur atom phosphorus-to-carbon migration in the presence of Lewis or Brønsted acids. The direction of sulfur atom migration depends on the type of acid used for the reaction. In the presence of a Brønsted acid, mainly [1,3]-rearrangement is observed, whereas a Lewis acid catalyzes the [1,4]-sulfur migration. To gain insight into the mechanism of these transformations, the stereochemistry of these rearrangements have been tested, along with the conduction of some control experiments and DFT calculations.

scholarly journals Probing the dynamics and structure of confined benzene in MCM-41 based catalysts

2020 ◽  
Vol 22 (20) ◽  
pp. 11485-11489
Author(s):  
Daniel Dervin ◽  
A. J. O'Malley ◽  
Marta Falkowska ◽  
Sarayute Chansai ◽  
Ian P. Silverwood ◽  
...  
Keyword(s):  
Md Simulations ◽  
Insight Into ◽  
Mcm 41

Combined MD simulations and QENS experiments on benzene in MCM-41 provide insight into the dynamics and structure of benzene

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