Immobilization of a cationic ruthenium(II) complex containing the hemilabile phosphaallyl ligand in hexagonal mesoporous silica (HMS) and application of this material as hydrogenation catalyst |
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| Authors: | Dorota Duraczynska Ewa M Serwicka Alicja Drelinkiewicz |
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| Institution: | a Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Cracow, Poland
b Institute of Nuclear Physics, Polish Academy of Sciences, ul. Radzikowskiego 152, 31-342 Cracow, Poland |
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| Abstract: | The cationic ruthenium(II) complex (η5-MeC5H4)Ru(η3-PPh2CHCH2)(η1-PPh2CHCH2)]+ (1) containing the hemilabile phosphaallyl ligand in two different coordination modes has been immobilized inside the pores of aluminated hexagonal mesoporous silica HMS(Si/Al = 40) by direct ion exchange method. This material was characterized by X-ray diffraction, thermogravimetric analysis, FTIR, solid state NMR (29Si, 27Al), UV-Vis, and X-ray photoelectron spectroscopies. The textural properties were determined from nitrogen adsorption at 77 K. (1)/HMS(Si/Al = 40) was shown to be active and selective in the catalytic hydrogenation of phenylacetylene. |
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| Keywords: | Hexagonal mesoporous silica HMS Hydrogenation of phenylacetylene Immobilization Ion exchange method Phosphaallyl ruthenium complex |
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