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Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere

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Hydrodeoxygenation Using Magnetic Induction: High-Temperature Heterogeneous Catalysis in Solution.

Juan M Asensio¹, Ana B Miguel¹, Pier-Francesco Fazzini¹

¹LPCNO, Université de Toulouse, INSA, CNRS, UPS, 135, Avenue de Rangueil, 31077, Toulouse, France.

Angewandte Chemie (International Ed. in English)

|June 13, 2019

Summary

Magnetic heating enables efficient catalytic hydrodeoxygenation in solution under mild conditions. This approach avoids high temperatures and pressures, offering a greener alternative for biomass-derived molecule transformations.

Keywords:

biomass catalysis hydrodeoxygenation magnetic hyperthermia nanoparticles

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Area of Science:

Catalysis
Green Chemistry
Materials Science

Background:

Traditional catalytic reactions often require harsh conditions like high temperature and pressure.
Magnetic heating has shown promise for catalytic reactions when agents and catalysts are supported.
Hydrodeoxygenation of biomass-derived molecules is challenging and typically requires heterogeneous catalysis.

Purpose of the Study:

To demonstrate the use of magnetic heating for catalytic transformations in solution under mild conditions.
To explore the hydrodeoxygenation of acetophenone derivatives and biomass-derived molecules using this novel method.

Main Methods:

Utilized magnetic heating for catalytic reactions performed in solution.
Investigated the hydrodeoxygenation of acetophenone derivatives, furfural, and hydroxymethylfurfural.
Employed mild conditions: 3 bar H2 and moderate solvent temperatures.

Main Results:

Achieved fully selective hydrodeoxygenations under mild, solution-phase conditions.
Demonstrated that magnetic heating creates localized hot spots exceeding solvent boiling points.
Showcased the potential for this technology in various organic transformations.

Conclusions:

Magnetic heating in solution provides an efficient and mild alternative to high-pressure/high-temperature heterogeneous catalysis.
The localized hot spot phenomenon is key to the observed reactivity.
This technology holds significant promise for sustainable organic synthesis and biomass conversion.