Microwave Assisted Fluoride-Free Hiyama Cross-Coupling Reaction Catalyzed by Pd (0)–PVP Nanoparticles

Author(s): Dipen Shah, Harjinder Kaur

Journal Name: Current Catalysis

Volume 3 , Issue 1 , 2014

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Fluoride-free Hiyama cross-coupling reactions of phenyltrimethoxysilane with aryl halides were performed in water using sodium hydroxide as the activator at 110 °C. The reactions, catalyzed by PVP stabilized colloidal palladium nanoparticles, show enhanced rate under microwave heating and proceed quickly (6 min).The progress of the reactions was monitored by GC-MS and parameters such as catalyst concentration, effect of base, recyclability etc. were investigated. Excellent yields were obtained with a variety of substrates and the products, after isolation, were characterized by 1H NMR.

Keywords: Hiyama cross-coupling, Microwave heating, Pd (0)–PVP Nanoparticles, Reaction catalyzed.

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Article Details

Year: 2014
Published on: 26 February, 2014
Page: [39 - 46]
Pages: 8
DOI: 10.2174/22115447113029990016

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