Carbonates: Eco-friendly solvents for palladium-catalysed direct arylation of heteroaromatics
The palladium-catalysed direct 2-, 4- or 5-arylation of a wide range of heteroaromatics with aryl halides proceed in moderate to good yields using the eco-friendly solvents carbonates. The best yields were obtained using benzoxazole or thiazole derivatives. The arylation of furan, thiophene, pyrrole, imidazole or isoxazole derivatives was found to require a more elevated reaction temperature. The Royal Society of Chemistry 2010.
Dong, Jia Jia,Roger, Julien,Verrier, Cecile,Martin, Thibaut,Le Goff, Ronan,Hoarau, Christophe,Doucet, Henri
experimental part
p. 2053 - 2063
(2011/02/25)
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