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  • Title: Heterogeneous Suzuki cross-coupling reactions over palladium/hydrotalcite catalysts.
    Author: Mora M, Jiménez-Sanchidrián C, Ruiz JR.
    Journal: J Colloid Interface Sci; 2006 Oct 15; 302(2):568-75. PubMed ID: 16887134.
    Abstract:
    The efficiency of various heterogeneous solids consisting of palladium supported on hydrotalcite as catalysts in the Suzuki cross-coupling reaction between bromobenzene and phenylboronic acid was studied. Based on the catalytic activity results, the reaction develops to an acceptable extent with 100% selectivity at moderate temperatures in the presence of some of the catalysts. The best results were provided by a catalyst consisting of an acetate-pyridine complex of Pd supported on hydrotalcite that gave high conversion values even after three reuses. The reactions conditions were very mild (a temperature of 55 degrees C and atmospheric pressure). In fact, the catalyst provided conversion and selectivity results surpassing those of existing heterogeneous phase catalysts and most homogeneous phase catalysts for the same purpose.
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