Bifunctionalized Mesoporous Materials with Site-Separated Brønsted Acids and Bases: Catalyst for a Two-Step Reaction Sequence

Peaceful coexistence: Brønsted acids and bases were attached to different surfaces of a mesoporous silica nanoparticle. The internal surface was functionalized by using co‐condensation, and postsynthesis grafting was used to functionalize the external surface. A two‐step reaction sequence that canno...

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Published in:Angewandte Chemie (International ed.) 2011-01, Vol.50 (3), p.661-664
Main Authors: Huang, Yulin, Xu, Shu, Lin, Victor S.-Y
Format: Article
Language:English
Subjects:
Brønsted acids
Henry reaction
hydrolysis
mesoporous materials
silica
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description Peaceful coexistence: Brønsted acids and bases were attached to different surfaces of a mesoporous silica nanoparticle. The internal surface was functionalized by using co‐condensation, and postsynthesis grafting was used to functionalize the external surface. A two‐step reaction sequence that cannot proceed with an acid and base in the same pot was accomplished using the bifunctionalized nanoparticle (see scheme).
doi_str_mv 10.1002/anie.201004572
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source Wiley-Blackwell Read & Publish Collection
subjects Brønsted acids
Henry reaction
hydrolysis
mesoporous materials
silica
title Bifunctionalized Mesoporous Materials with Site-Separated Brønsted Acids and Bases: Catalyst for a Two-Step Reaction Sequence
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