Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 5, Issue 2, Pages 903-909Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cy01116c
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The reduction of [Pd(acac)(COD)]BF4 (acac = acetylacetonate; COD = 1,5-cyclooctadiene), dissolved in BMI center dot BF4, in the presence of P- or N-containing ionophilic ligands by H-2 yields soluble and stable [Pd(0)](n) nanoparticles (NPs). These ionic liquid soluble NPs are active and selective catalysts for the hydrogenation of 1,3-dienes and alkynes under mild reaction conditions. Selectivities up to 87% to cis-2-pentene and 95% conversion were obtained using Pd NPs modified with 1-(3-(diphenylphosphino)propyl)-2,3-dimethyl-1H-imidazol- 3-ium N-bis(trifluoromethylsulfonyl) imide in 1-n-butyl-3-methylimidazolium tetrafluoroborate.
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