title: Mechanistic interpretation of selective catalytic hydrogenation and isomerization of alkenes and dienes by ligand deactivated Pd nanoparticles.
abstract: Unsupported thiolate-capped palladium nanoparticle catalysts are found to be highly substrate-selective for alkene hydrogenation and isomerization. Steric and poisoning effects from thiolate ligands on the nanoparticle surface control reactivity and selectivity by influencing alkene adsorption and directing either di-σ or mono-σ bond formation. The presence of overlapping p orbitals and α protons in alkenes greatly influences the catalytic properties of deactivated palladium nanoparticles leading to easily predictable hydrogenation or isomerization products.
authors.affiliation: Department of Chemistry and Biochemistry, California State University, Long Beach, Long Beach, CA, 90840 USA. ys.shon@csulb.edu.
authors.forename: Jie S
authors.initials: JS
authors.lastname: Zhu
authors.affiliation: Department of Chemistry and Biochemistry, California State University, Long Beach, Long Beach, CA, 90840 USA. ys.shon@csulb.edu.
authors.forename: Young-Seok
authors.initials: YS
authors.lastname: Shon
mesh_terms: D000475:Alkenes / Q000737:chemistry*; D002384:Catalysis; D006865:Hydrogenation; D007536:Isomerism; D008024:Ligands; D009682:Magnetic Resonance Spectroscopy; D053768:Metal Nanoparticles / Q000737:chemistry*; D010165:Palladium / Q000737:chemistry*
chemical_list: D000475:Alkenes; D008024:Ligands; D010165:Palladium