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Issue 10, 2013
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Designing bifunctional acid–base mesoporous hybrid catalysts for cascade reactions

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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.

Graphical abstract: Designing bifunctional acid–base mesoporous hybrid catalysts for cascade reactions

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Publication details

The article was received on 18 Apr 2013, accepted on 28 Jun 2013 and first published on 28 Jun 2013


Article type: Paper
DOI: 10.1039/C3CY00269A
Citation: Catal. Sci. Technol., 2013,3, 2677-2688

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    Designing bifunctional acid–base mesoporous hybrid catalysts for cascade reactions

    E. Gianotti, U. Diaz, A. Velty and A. Corma, Catal. Sci. Technol., 2013, 3, 2677
    DOI: 10.1039/C3CY00269A

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