SEARCH Articles Figures Tables Khand Oxidation Pauson-Khand reaction Pauson Pauson-Khand Pauson-Khand reaction Phosphine oxide, tri-n-butylcatalyst Phosphine oxides Phosphine oxides oxidation Phosphine oxides reactions Phosphines reaction Reactions phosphination Tri phosphine Tris phosphine Tris phosphine oxide Tris phosphine, reaction