Catalytic hydrogenation under mild conditions of olefins, unsaturated aldeydes and ketones, nitriles and nitroarenes was investigated, using a supported rhodium complex obtained by copolymerization of Rh(cod)(aaema) [cod: 1,5-cyclooctadiene, aaema-: deprotonated form of 2-(acetoacetoxy)ethyl methacrylate] with acrylamides. In particular, the hydrogenation reaction of halonitroarenes was carried out under 20 bar hydrogen pressure with ethanol as solvent at room temperature, in order to minimize hydro-dehalogenation. The yields in haloanilines ranged from 85% (bromoaniline) to 98% (chloroaniline).
|Titolo:||A recyclable nanoparticle-supported rhodium catalyst for hydrogenation reactions|
|Autori interni:||GALLO, Vito|
DELL'ANNA, Maria Michela
|Data di pubblicazione:||2010|
|Appare nelle tipologie:||1.1 Articolo in rivista|