Abstract
Acetals/ketals derived from the aldehydes/ketones are easily prepared under solventless conditions. The process is heterogeneously catalysed using acid or basic mesoporous molecular sieves Al-SBA-15 and (Cs)Al-SBA-15. The catalytic procedure herein reported is applied to the preparation of the key intermediates for the synthesis of {3-[(2R,3R,4R,5R)-(2,3,4,5-tetrahydroxyhexane-1,6-diyl)]}di-1H-imidazole 2 with potential biomedical applications.
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Acknowledgements
This work has been supported in part by: Spanish Ministerio de Educación y Ciencia (project MAT2007-66439-C02-01) and the Academy of Sciences of the Czech Republic (project 1QS400400560).
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Pérez-Mayoral, E., Martín-Aranda, R.M., López-Peinado, A.J. et al. Green Synthesis of Acetals/Ketals: Efficient Solvent-Free Process for the Carbonyl/Hydroxyl Group Protection Catalyzed by SBA-15 Materials. Top Catal 52, 148–152 (2009). https://doi.org/10.1007/s11244-008-9151-7
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DOI: https://doi.org/10.1007/s11244-008-9151-7