Ligand-Free and Regioselectivity of the Heck Reaction Catalyzed by Pd(0) Nanoparticles at Ambient Conditions under Ultrasonic Irradiation

Abstract:

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The Heck reaction proceeded in isopropanol under ultrasonic irradiation at ambient temperature (30°C) has been reported in this report. The Heck reaction showed excellent regio- selectivity, enhanced reaction rates, high yields, and the conditions were mild and environmentally friendly. It was found that as a heterogeneous catalyst for the reaction palladium forms nano- particles in-situ, and can be recycled for many times. Transmission electron microscopy (TEM) and X-ray powder diffraction (XRD) analysis characteried the formation of stable, crystalline Pd(0) nanoparticles as catalyst for the reaction.

Info:

Periodical:

Advanced Materials Research (Volumes 113-116)

Edited by:

Zhenyu Du and X.B Sun

Pages:

1675-1678

DOI:

10.4028/www.scientific.net/AMR.113-116.1675

Citation:

Y. H. Zhang et al., "Ligand-Free and Regioselectivity of the Heck Reaction Catalyzed by Pd(0) Nanoparticles at Ambient Conditions under Ultrasonic Irradiation", Advanced Materials Research, Vols. 113-116, pp. 1675-1678, 2010

Online since:

June 2010

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$35.00

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