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Inne
Suzuki-Miyaura cross-coupling of phenylboronic acid with aryl halides catalyzed by palladium and nickel species supported on alumina-based oxides.
Autorzy
Rok wydania
2016
Czasopismo
Journal of Organometallic Chemistry
Numer woluminu
823
Strony
90-96
DOI
10.1016/j.jorganchem.2016.09.018
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Two different kinds of Al2O3-ZrO2 have been prepared by the alkoxide sol-gel process: bulky-shaped and formed into spherical granules with the diameter of 2–3 mm. The catalysts have been obtained either by impregnating the support with the metal precursor (Pd or Ni salt solution) or by simultaneous addition of the precursor during synthesis of the support (the co-precipitation technique). The catalysts have been characterized structurally with scanning electron microscopy (SEM), transmission electron microscopy (TEM), nitrogen adsorption-desorption studies and successfully applied in the Suzuki-Miyaura cross-coupling of phenylboronic acid with different kinds of aryl halides (2-bromotoluene, 4-bromotoluene, 4-bromoanisole or 4-iodoanisole). Our experiments have shown that nickel species supported on Al2O3-ZrO2 can be successfully employed as the catalyst in the Suzuki-Miyaura process.
Słowa kluczowe
C-C coupling, Suzuki reaction, Sol-gel, palladium, nickel, Alumina
Adres publiczny
http://dx.doi.org/10.1016/j.jorganchem.2016.09.018
Strona internetowa wydawcy
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