Ultrasonic activation of Heck type reactions in the presence of Aliquat-336.

Ultrason Sonochem

Physical Organic Chemistry Laboratory, Science Faculty of Sfax, 3018 Sfax, Tunisia.

Published: January 2011

Without phosphine and base, palladium catalysts such as PdCl(2), Pd(OAc)(2) and PdCl(2)(PhCN)(2) in water/DMF mixtures with Aliquat-336 proved to be excellent catalytic systems for Heck reactions involving several aryl bromides with styrene and acrylic compounds. Yields are remarkably improved under ultrasonic irradiation and the products show a high purity.

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Source
http://dx.doi.org/10.1016/j.ultsonch.2010.04.007DOI Listing

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