REDUCTIVE HOMOCOUPLING OF HALOARENES IN WATER WITH PALLADIUM NANOPARTICLES
- Monopoli, A
- Calo', V
- Ciminale, Francesco
- Cotugno, P
- Angelici, C
- Cioffi, Nicola
- Nacci, Angelo
Publication date
January 2010
DOI Publisher
Georg Thieme Verlag KG ISSN
1861-1958Abstract
Palladium nanoparticles have been electrochemically supported on zirconium oxide nanostructured powders and all the nanomaterials have been characterized by several analytical techniques. The Pd/ZrO2 nanocatalyst is demonstrated to be a very efficient catalyst in Heck, Ullmann, and Suzuki reactions of aryl halides in water. The catalyst efficiency is attributed to the stabilization of Pd nanophases provided by tetra(alkyl)- ammonium hydroxide, which behaves both as base and PTC (phase transfer catalyst) agent
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