Selecting strong Brønsted acid zeolites through screening from a database of hypothetical frameworks

2017 ◽  
Vol 19 (22) ◽  
pp. 14702-14707 ◽  
Author(s):  
Taku Matsuoka ◽  
Laurent Baumes ◽  
Naonobu Katada ◽  
Abhijit Chatterjee ◽  
German Sastre
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brønsted Acidity ◽  
Brönsted Acidity ◽  
Brönsted Acid ◽  
Acid Zeolites

New candidate zeolites with potentially strong Brønsted acidity have been computationally selected from the Treacy/Foster database of prospective zeolites.

scholarly journals Increasing the Brønsted acidity of Ph2PO2H by the Lewis acid B(C6F5)3. Formation of an eight-membered boraphosphinate ring [Ph2POB(C6F5)2O]2

2016 ◽  
Vol 52 (73) ◽  
pp. 10992-10995 ◽  
Author(s):  
Ralf Kather ◽  
Elena Rychagova ◽  
Paula Sanz Camacho ◽  
Sharon E. Ashbrook ◽  
J. Derek Woollins ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Strong Acid ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brønsted Acidity ◽  
Acid Ph ◽  
Brönsted Acidity ◽  
Brönsted Acid ◽  
Strong Lewis Acid

The strong acid (C6F5)3BOPPh2OH, was prepared in situ by the reaction of the rather weak Brønsted acid Ph2PO2H with the strong Lewis acid B(C6F5)3.

scholarly journals Measuring the Brønsted acid strength of zeolites – does it correlate with the O–H frequency shift probed by a weak base?

2014 ◽  
Vol 16 (21) ◽  
pp. 10129-10141 ◽  
Author(s):  
Carlos O. Arean ◽  
Montserrat R. Delgado ◽  
Petr Nachtigall ◽  
Ho Viet Thang ◽  
Miroslav Rubeš ◽  
...  
Keyword(s):  
Frequency Shift ◽  
Acid Strength ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Weak Base ◽  
Brønsted Acidity ◽  
Brönsted Acidity ◽  
Brönsted Acid ◽  
And Calorimetry

ΔνOH (see the figure) can be a misleading indicator of zeolite Brønsted acidity, as shown by VTIR spectroscopy and calorimetry.

Post-imparting Brønsted acidity into an amino-functionalized MOF as a bifunctional luminescent turn-ON sensor for the detection of aluminum ions and lysine

2019 ◽  
Vol 48 (36) ◽  
pp. 13834-13840 ◽  
Author(s):  
Yanhong Liu ◽  
Mengjie Huangfu ◽  
Pengyan Wu ◽  
Min Jiang ◽  
Xiaoli Zhao ◽  
...  
Keyword(s):  
Acid Sites ◽  
Bronsted Acid ◽  
Brønsted Acidity ◽  
Brønsted Acid Sites ◽  
Sensing Properties ◽  
Turn On ◽  
Brönsted Acidity ◽  
Aluminum Ions ◽  
Brönsted Acid ◽  
Brönsted Acid Sites

A MOF with amino and Brønsted acid sites, exhibiting bifunctional luminescent turn-on sensing properties for the detection of Al3+and Lys.

Selective staining of Brønsted acidity in zeolite ZSM-5-based catalyst extrudates using thiophene as a probe

2014 ◽  
Vol 16 (39) ◽  
pp. 21531-21542 ◽  
Author(s):  
Gareth T. Whiting ◽  
Florian Meirer ◽  
Diego Valencia ◽  
Machteld M. Mertens ◽  
Anton-Jan Bons ◽  
...  
Keyword(s):  
Acid Site ◽  
Reaction Pathway ◽  
Bronsted Acid ◽  
Brønsted Acidity ◽  
Selective Staining ◽  
Brönsted Acidity ◽  
Site Density ◽  
Bronsted Acid Site ◽  
Brønsted Acid Site ◽  
Brönsted Acid

Brønsted acid site density dictates the reaction pathway in ZSM-5-based extrudates during thiophene oligomerization, visualized non-invasively in 3D using micro-spectroscopy.

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