Designing bifunctional acid-base mesoporous hybrid catalysts for cascade reactions

Enrica Gianotti, Urbano Diaz, Alexandra Velty, Avelino Corma

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Bifunctional mesoporous hybrid materials, containing both proton sponges and acid groups, have been prepared following different synthetic routes: co-condensation processes (sol-gel or micellar one-pot routes) or post-synthetic grafting of the organic functionalities. 1,8-Bis(dimethylamino)naphthalene (DMAN), a proton sponge with high pKa, was used as an organic functional builder base and 3-mercaptopropyltriethoxysilane (MPTES) as a pendant precursor of sulfonic acids. The bifunctional hybrid materials were extensively characterized and were investigated as heterogeneous catalysts for various one-pot C-C bond-forming cascade reactions such as deacetalization-Knoevenagel condensation or deacetalization-nitroaldol (Henry) reaction.

Lingua originaleInglese
pagine (da-a)2677-2688
Numero di pagine12
RivistaCatalysis Science and Technology
Volume3
Numero di pubblicazione10
DOI
Stato di pubblicazionePubblicato - ott 2013

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