Organic Letters 2007-08-30

Convenient synthesis of palladium nanoparticles and catalysis of Hiyama coupling reaction in water.

Dipankar Srimani, Sudeshna Sawoo, Amitabha Sarkar

Index: Org. Lett. 9 , 3639, (2007)

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Abstract

An efficient synthesis of Pd nanoparticles in water has been developed using a Fischer carbene complex of tungsten as the reductant and PEG as the capping agent. The colloidal palladium (1 mol %) efficiently catalyzes Hiyama cross-coupling reactions performed in air. Excellent yields of products were obtained with a wide range of substrates. Catalytic activity and stability of the nanoparticles were found to be inversely correlated.