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Microwave-assisted Suzuki reaction catalyzed by Pd(0)-PVP nanoparticles
Authors:Daniela de Luna Martins  Heiddy M Alvarez
Institution:a Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro (UFRJ), Cidade Universitária, CCS, Bloco H, Rio de Janeiro, RJ 21941-590, Brazil
b Departamento de Ciências Exatas, Universidade Estadual de Feira de Santana, km 03, BR 116, Campus da UEFS, Feira de Santana, BA 44031-460, Brazil
c Intittuto de Química, UFRJ, Cidade Universitária, CT, Bloco A, Lab. 617, Rio de Janeiro, RJ 21941-909, Brazil
Abstract:Suzuki cross-coupling reaction was successfully carried out in ethanol utilizing a palladium colloidal solution stabilized by polyvinylpyrrolidone (PVP). High isolated yields (75-97%) to biaryls were obtained using different bases, aryl halides, and aryl boronic acids with a small loading of the palladium catalyst. Pd(0)-PVP nanoparticles with 3-6 nm of medium diameter were prepared from Pd(OAc)2 in the presence of the stabilizer PVP using methanol as the reducing agent.
Keywords:
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