Cover Feature: “Click” Silica‐Supported Sulfonic Acid Catalysts with Variable Acid Strength and Surface Polarity (Chem. Eur. J. 27/2019)

How do you like your acid catalyst? A robust and modular method is presented for the preparation of silica‐supported sulfonic acid catalysts. The strategy makes it possible to fine tune both their acid strength and surface polarity, taking advantage of the copper‐catalyzed azide‐alkyne cycloaddition...

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Vydané v:Chemistry : a European journal Ročník 25; číslo 27; s. 6648
Hlavní autori: Kasinathan, Palraj, Lang, Charlotte, Radhakrishnan, Sambhu, Schnee, Josefine, D'Haese, Cécile, Breynaert, Eric, Martens, Johan A., Gaigneaux, Eric M., Jonas, Alain M., Fernandes, Antony E.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: 10.05.2019
Predmet:
bifunctional catalysts
click chemistry
esterification
sulfonic acid
supported catalysts
ISSN:0947-6539, 1521-3765
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Shrnutí:How do you like your acid catalyst? A robust and modular method is presented for the preparation of silica‐supported sulfonic acid catalysts. The strategy makes it possible to fine tune both their acid strength and surface polarity, taking advantage of the copper‐catalyzed azide‐alkyne cycloaddition (CuAAC) and further modification of the formed triazole link. The artwork displays an assembly line that reacts the azide‐functionalized mesoporous silica particles with different alkynes and electrophiles to provide a family of bespoke solid acid catalysts. More information can be found in the Full Paper by A. E. Fernandes et al. on page 6753.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201901463