Palladium N-Heterocyclic Carbene Catalysts for the Ultrasound-Promoted Suzuki-Miyaura Reaction in Glycerol
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Other documents of the author: Azua Barrios, Arturo; Mata Martínez, Jose A; Heymes, Pauline; Peris, Eduardo; Lamaty, Frederic; Martínez, Jean; Colacino, Evelina
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http://dx.doi.org/10.1002/adsc.201201047 |
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Title
Palladium N-Heterocyclic Carbene Catalysts for the Ultrasound-Promoted Suzuki-Miyaura Reaction in GlycerolAuthor (s)
Date
2013-04-15Publisher
WileyBibliographic citation
AZUA BARRIOS, A.; MATA MARTÍNEZ, J. A.; HEYMES, P.; PERIS FAJARNÉS, E.; LAMATY, F.; MARTÍNEZ, J.; COLACINO, E. Palladium N-Heterocyclic Carbene Catalysts for the Ultrasound-Promoted Suzuki-Miyaura Reaction in Glycerol. Advanced Synthesis & Catalysis, Volume 355, Issue 6 (April 15, 2013), p. 1107-1116Type
info:eu-repo/semantics/articlePublisher version
http://onlinelibrary.wiley.com/doi/10.1002/adsc.201201047/abstractSubject
Abstract
Novel palladium N-heterocyclic-carbene (NHC)-based complexes with 3,4,5-trimethoxybenzyl, alkyl and sulfonate N-substituents were obtained and fully characterized. The new complexes were used as pre-catalysts in the ... [+]
Novel palladium N-heterocyclic-carbene (NHC)-based complexes with 3,4,5-trimethoxybenzyl, alkyl and sulfonate N-substituents were obtained and fully characterized. The new complexes were used as pre-catalysts in the Suzuki–Miyaura coupling of various aryl halides/boron sources in glycerol under pulsed-ultrasound (P-US) activation. High yields were obtained under mild reaction conditions, without formation of undesired by-products. The pure final cross-coupling products were easily recovered without column chromatography and the catalytic/solvent system could be recycled. TEM (transmission electron microscopy) and XPS (X-ray photoelectron spectroscopy) were used to characterize the nanoparticles and to investigate the fate of the catalysts. [-]
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Advanced Synthesis & Catalysis, Volume 355, Issue 6 (April 15, 2013)Rights
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