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/lp/royal-society-of-chemistry/bi-functional-nh-2-mil-101-fe-for-one-pot-tandem-photo-oxidation-UPW60VB9lh
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- Publisher
- Royal Society of Chemistry
- Copyright
- This journal is © The Royal Society of Chemistry
- ISSN
- 2044-4753
- eISSN
- 2044-4761
- DOI
- 10.1039/c4cy01464b
- Publisher site
- See Article on Publisher Site
Abstract
Tandem reactions, which enable multistep reactions in one pot, offer enormous economical advantages. For the first time, this manuscript reported that NH 2 -MIL-101(Fe), an earth abundant Fe-containing MOF material, can catalyze efficiently the one-pot reaction between aromatic alcohols and active methylene compounds via a tandem photo-oxidation/Knoevenagel condensation under visible light and at room temperature. NH 2 -MIL-101(Fe) acts as a photocatalyst for the oxidation of aromatic alcohols to aldehydes as well as a base catalyst for Knoevenagel condensation between the as-formed aldehydes and the active methylene compounds. The comparison of the reactions over NH 2 -MIL-101(Fe) and another two MOFs (NH 2 -UiO-66(Zr) and NH 2 -MIL-125(Ti)) reveals that the strength of the basic sites in the MOFs influences significantly the efficiency of the tandem reaction. This study highlights the great potential of MOFs as multifunctional photocatalysts for one-pot tandem reactions.
Journal
Catalysis Science & Technology – Royal Society of Chemistry
Published: Dec 2, 2014