Suzuki couplings of aryl bromides were efficiently performed by a polymer supported palladium catalyst under air in water at 100°C without additives. In the case of activated aryl chlorides the reactions proceeded smoothly in the presence of a suitable phase transfer agent. The catalyst was active and recyclable for at least five times. Atomic absorption analyses revealed that the metal content in the polymeric support did not significantly decrease with the cycles while inductively coupled plasma analyses revealed that the palladium amount both in the mother liquors and in the organic products after reactions was lower than 500 ppb. The activity of the mother liquors has been investigated in detail. A transmission electron microscopy study of the supported catalyst before, during and after duty is also described. © 2012 Elsevier B.V.
Suzuki-Miyaura coupling under air in water promoted by polymer supported palladium nanoparticles / Dell'Anna, Maria Michela; Mali, Matilda; Mastrorilli, Piero; Rizzuti, Antonino; Ponzoni, Chiara; Leonelli, Cristina. - In: JOURNAL OF MOLECULAR CATALYSIS. A: CHEMICAL. - ISSN 1381-1169. - ELETTRONICO. - 366(2013), pp. 186-194.
Data di pubblicazione: | 2013 |
Titolo: | Suzuki-Miyaura coupling under air in water promoted by polymer supported palladium nanoparticles |
Autore/i: | Dell'Anna, Maria Michela; Mali, Matilda; Mastrorilli, Piero; Rizzuti, Antonino; Ponzoni, Chiara; Leonelli, Cristina |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.molcata.2012.09.022 |
Rivista: | |
Volume: | 366 |
Pagina iniziale: | 186 |
Pagina finale: | 194 |
Codice identificativo ISI: | WOS:000313230200024 |
Codice identificativo Scopus: | 2-s2.0-84870244873 |
Citazione: | Suzuki-Miyaura coupling under air in water promoted by polymer supported palladium nanoparticles / Dell'Anna, Maria Michela; Mali, Matilda; Mastrorilli, Piero; Rizzuti, Antonino; Ponzoni, Chiara; Leonelli, Cristina. - In: JOURNAL OF MOLECULAR CATALYSIS. A: CHEMICAL. - ISSN 1381-1169. - ELETTRONICO. - 366(2013), pp. 186-194. |
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