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A comparison between two Pd‐Ni catalysts supported on two different supports toward Suzuki‐Miyaura coupling reaction
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Kemiska institutionen.
2018 (Engelska)Ingår i: Applied organometallic chemistry, ISSN 0268-2605, E-ISSN 1099-0739, Vol. 32, nr 5, artikel-id e4338Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

When a single metal fails to promote an efficient Suzuki?Miyaura coupling reaction at ambient temperature, the synergistic cooperation of two distinct metals might improve the reaction. To examine the synergistic effect of palladium and nickel for catalyzing Suzuki coupling reaction, g?C3N4 supported metal nanoparticles of PdO, NiO and Pd?PdO?NiO were prepared, characterized and their catalytic activities evaluated over different aryl halides at room temperature and 78 °C. The morphological characterization of Pd?PdO?NiO/g?C3N4 demonstrated that the bimetallic particles were uniformly dispersed over the g?C3N4 layers with diameters ranging from 3.5?7.7 nm. XPS analysis showed that nanoparticles of Pd?PdO?NiO consisted of Pd(II), Pd(0) and Ni(II) sites. The experiments performed on the catalytic activity of Pd?PdO?NiO/g?C3N4 showed that the prepared catalyst demonstrated an efficient activity without using toxic solvents.

Ort, förlag, år, upplaga, sidor
Wiley-Blackwell , 2018. Vol. 32, nr 5, artikel-id e4338
Nyckelord [en]
graphitic carbon nitride, green chemistry, heterogeneous catalyst, Pd‐PdO‐NiO nanoparticles, Suzuki coupling reaction
Nationell ämneskategori
Organisk kemi
Identifikatorer
URN: urn:nbn:se:umu:diva-147672DOI: 10.1002/aoc.4338ISI: 000430461300027Scopus ID: 2-s2.0-85044292758OAI: oai:DiVA.org:umu-147672DiVA, id: diva2:1205405
Konferens
2018/05/14
Tillgänglig från: 2018-05-14 Skapad: 2018-05-14 Senast uppdaterad: 2018-10-29Bibliografiskt granskad

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Shchukarev, Andrey

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