Wang Zhaowe
2014
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Journal
Industrial Catalysis
Abstract
Bis( tricyclohexylphosphine) palladium( Ⅱ) dichloride[Pd Cl2( PCy3)2] was prepared by reacting sodium tetrachloropalladate( Ⅱ)( Na2 Pd Cl4) with tricyclohexylphosphine in ethanol. The synthesis process is simple,environment-friendly and had low requirement for the equipments. The chemical composition and structure of bis( tricyclohexylphosphine) palladium( Ⅱ) dichloride was determined by elemental analysis,infrared spectra and31 P nuclear magnetic resonance. The results showed that the yield of bis( tricyclohexylphosphine) palladium( Ⅱ) dichloride reached 99. 6% under the condition of molar ratio of tricyclohexylphosphine to Na2 PdCl4 more than 2. 4 and reaction temperature 70 ℃. The product was proved to be with high purity.