Novel catalysts based on magnetic nanoparticles

CATL 8

Gareth J. Price, g.j.price@bath.ac.uk1, Christopher Frost, chscgf@bath.ac.uk1, Pawel P. Plucinski, p.plucinski@bath.ac.uk2, and Urszula Laska, ul200@bath.ac.uk2. (1) Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, United Kingdom, (2) Department of Chemical Engineering, University of Bath, Claverton Down, Bath, BA2 7AY, United Kingdom
We report a novel series of Rh and Pd catalysts supported on magnetic iron oxide nanoparticles. They are prepared by a new, straightforward, one-step procedure and are active in hydrogenation of alkenes and in e.g. Suzuki or Heck couplings in water. The superparamagnetic nature of the nanoparticles allows facile recovery of the catalyst from the reaction mixture and also allows ready recycling. The catalysts have been recycled up to ten times with no significant loss of activty. The paper will describe the catalyst preparation, characterisation and their reaction chemistry as well as discussing their potential as "green" catalysts for fine chemicals synthesis.