期刊
MOLECULES
卷 15, 期 7, 页码 4511-4525出版社
MDPI
DOI: 10.3390/molecules15074511
关键词
C-C coupling; palladium; colloids; green chemistry; nanocomposite catalysts
资金
- Ministero dell'Universita e della Ricerca Scientifica e Tecnologica, Rome
- University of Bari
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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