Preparation of ordered large pore SBA-15 silica functionalized with aminopropyl groups through one-pot synthesis |
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Authors: | Wang Xueguang Lin Kyle S K Chan Jerry C C Cheng Soofin |
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Institution: | Department of Chemistry, National Taiwan University, Taipei 106, Taiwan. chem1031@ntu.edu.tw |
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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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