Preparation of ordered large pore SBA-15 silica functionalized with aminopropyl groups through one-pot synthesis

Literature Information

Publication Date 2004-10-08
DOI 10.1039/B408022J
Impact Factor 6.222
Authors

Xueguang Wang, Kyle S. K. Lin, Jerry C. C. Chan, Soofin Cheng


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Abstract

Highly ordered large pore SBA-15 silica functionalized with up to 16% aminopropyl groups, which gave high catalytic activity and selectivity toward flavanone synthesis through aldol condensation and subsequent intramolecular Michael addition of benzaldehyde and 2′-hydroxyacetophenone, was synthesized for the first time via co-condensation of tetraethylorthosilicate (TEOS) and 3-aminopropyltriethoxysilane (APTES) using an amphiphilic block copolymer as the structure-directing agent.

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