Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 368, Issue -, Pages 88-94Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcata.2012.11.018
Keywords
Solid acid catalyst; Mesoporous materials; Tetrahedral aluminium; Aldol condensation; Acetal formation
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Funding
- NWO
- Technische Universiteit Delft
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Tetrahedral aluminium was synthesized inside the TUD-1 structure with a low Si/Al ratio. The Al ion in its tetrahedral structure was stabilized by sodium as a counter cation. However, the tetrahedral aluminium species in the TUD-1 structure reverted to a mixture of hexa-, penta- and tetrahedral coordination sites after the exchange of sodium cations with protons. The Al-TUD-1 materials were found to be catalytically active for the acetal protection of benzaldehyde. (C) 2012 Elsevier B.V. All rights reserved.
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