A novel fluoride-doped aluminium oxide catalyst with tunable Brønsted and Lewis acidity

2018 ◽  
Vol 8 (5) ◽  
pp. 1404-1413 ◽  
Author(s):  
Lukas Ahrem ◽  
Jakob Wolf ◽  
Gudrun Scholz ◽  
Erhard Kemnitz
Keyword(s):  
Catalytic Activity ◽  
Oxide Catalyst ◽  
Aluminium Oxide ◽  
Lewis Acidity ◽  
Brønsted And Lewis Acidity ◽  
Fluoride Doping

The Graphical Abstract image shows the influence of fluoride doping and temperature on the catalytic activity.

Heteropoly acid and ZrO2 bifunctionalized organosilica hollow nanospheres for esterification and transesterification

2014 ◽  
Vol 2 (34) ◽  
pp. 14127-14138 ◽  
Author(s):  
Fang Su ◽  
Sai An ◽  
Daiyu Song ◽  
Xianghuan Zhang ◽  
Bo Lu ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Heteropoly Acid ◽  
Surface Hydrophobicity ◽  
Lewis Acidity ◽  
Hollow Nanospheres ◽  
Brønsted And Lewis Acidity ◽  
Enhanced Surface

H3PW12O40/ZrO2-Et-HNS materials with strong Brönsted and Lewis acidity, unique hollow nanospherical morphology and enhanced surface hydrophobicity exihibit excellent catalytic activity.

Isomerization ofn-butane on sulfated zirconia: Evidence for the dominant role of Lewis acidity on the catalytic activity

1994 ◽  
Vol 26 (3-4) ◽  
pp. 339-344 ◽  
Author(s):  
F. Pinna ◽  
M. Signoretto ◽  
G. Strukul ◽  
G. Cerrato ◽  
C. Morterra
Keyword(s):  
Catalytic Activity ◽  
Sulfated Zirconia ◽  
Dominant Role ◽  
Lewis Acidity

scholarly journals Borenium ionic liquids as catalysts for Diels–Alder reaction: tuneable Lewis superacids for catalytic applications

2017 ◽  
Vol 7 (5) ◽  
pp. 1045-1049 ◽  
Author(s):  
K. Matuszek ◽  
S. Coffie ◽  
A. Chrobok ◽  
M. Swadźba-Kwaśny
Keyword(s):  
Catalytic Activity ◽  
Ionic Liquids ◽  
Alder Reaction ◽  
Diels Alder ◽  
Lewis Acidity ◽  
High Catalytic Activity ◽  
Acceptor Number ◽  
Diels Alder Reaction ◽  
Catalytic Applications

Ionic liquids with Lewis superacidic borenium cations were used as catalysts in solvent-less Diels–Alder cycloaddition. The extremely high catalytic activity correlated with the Lewis acidity, expressed as the Gutmann acceptor number.

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