Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 43, Pages 13302-13306Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201706721
Keywords
active-site confinement; mesoporous silica; MOF composites; nanoMOFs; steroid chemistry
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Funding
- European Union's Horizon research and innovation programme under the Marie Sklodowska-Curie grant [750391]
- Fonds Wetenschappelijk Onderzoek (F.W.O) [G.0256.14N]
- TEM through Hercules project [AKUL/13/19]
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Solid-state crystallization achieves selective confinement of metal-organic framework (MOF) nanocrystals within mesoporous materials, thereby rendering active sites more accessible compared to the bulk-MOF and enhancing the chemical and mechanical stability of MOF nanocrystals. (Zr)UiO-66(NH2)/SiO2 hybrid materials were tested as efficient and reusable heterogeneous catalysts for the synthesis of steroid derivatives, outperforming the bulk (Zr)UiO-66(NH2) MOF. A clear correlation between the catalytic activity of the dispersed Zr sites present in the confined MOF, and the loading of the mesoporous SiO2, is demonstrated for steroid transformations.
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