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Published on: June 16, 2020
Proof of Concept: Magnetic Fixation of Dendron-Functionalized Iron Oxide Nanoparticles Containing Palladium
Thomas H Rehm1, Anca Bogdan1, Christian Hofmann1
1Continuous Chemical Engineering Department, Fraunhofer ICT-IMM , Carl-Zeiss-Straße 18-20, 55129 Mainz, Germany.
Abstract:
A new concept for the magnetic immobilization of catalytically active material has been developed for continuous-flow Suzuki cross-coupling reactions. The reversible immobilization of the magnetic catalyst material inside a novel capillary microreactor has been achieved by utilizing a newly designed reactor housing with 208 small permanent magnets. As a catalyst material, magnetic Fe3O4 nanoparticles decorated with polyphenylenepyridyl dendrons and loaded with Pd nanoparticles have been employed. Both batch and continuous-flow experiments prove the activity of the catalyst and the applicability of this new microreactor concept.
