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ACS Appl Mater Interfaces. 2015 Dec 16;7(49):27254-61. doi: 10.1021/acsami.5b08466. Epub 2015 Dec 2.

Proof of Concept: Magnetic Fixation of Dendron-Functionalized Iron Oxide Nanoparticles Containing Palladium Nanoparticles for Continuous-Flow Suzuki Coupling Reactions.

Author information

1
Continuous Chemical Engineering Department, Fraunhofer ICT-IMM , Carl-Zeiss-Straße 18-20, 55129 Mainz, Germany.
2
A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences , 28 Vavilov Street, Moscow 119991, Russia.
3
Department of Chemistry, Indiana University , 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States.
4
Department of Physics, Faculty of Science, King Abdulaziz University , Jeddah, Saudi Arabia.

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.

KEYWORDS:

Suzuki coupling; continuous-flow microreactor; dendron; magnetic immobilization; palladium nanoparticles

PMID:
26581446
DOI:
10.1021/acsami.5b08466

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