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Catalytic properties of transition metal salts immobilized on nanoporous silica polyamine composites II: hydrogenation by Jesse Allen; Edward Rosenberg; Eduard Karakhanov; Sergey V. Kardashev; Anton Maximov; Anna Zolotukhina is a Chemistry article available to read on EtoBox.
What is Catalytic properties of transition metal salts immobilized on nanoporous silica polyamine composites II: hydrogenation about?
The transition metal compounds Pd(OAc) 2 , RhCl 3 •4H 2 O and RuCl 3 • nH 2 O were adsorbed onto the nanoporous silica polyamine composite (SPC) particles (150-250 μm), WP-1 [poly(ethyleneimine) on amorphous silica], BP-1 [poly(allylamine) on amorphous silica], WP-2 (WP-1 modified with chloroacetic acid) and BP-2 (BP-1 modified with chloroacetic acid). Inductively coupled plasmaatomic emission spectrometry analysis of the dried samples after digestion indicated metal loadings of 0.4-1.2 mmol g -1 except for RhCl 3 •4H 2 O on BP-2 which showed a metal loading of only 0.1 mmol g -1 . The metal loaded composites were then screened as hydrogenation catalysts for the reduction of 1-octene, 1-decene, 1-hexene and 1, 3-cyclohexadiene at a hydrogen pressure of 5 atm in the temperature range of 50-90 • C. All 12 combinations of SPC and transition metal compound proved active for the reduction of the terminal olefins, but isomerization to internal alkenes was competitive in all cases. Under these conditions, selective hydrogenation of 1,3-cyclohexadiene to cyclohexene was observed with some of the catalysts. Turnover frequencies were estimated for the hydrogenation reactions based on the met
Who reads Catalytic properties of transition metal salts immobilized on nanoporous silica polyamine composites II: hydrogenation?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Jesse Allen; Edward Rosenberg; Eduard Karakhanov; Sergey V. Kardashev; Anton Maximov; Anna Zolotukhina
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0268-2605)
- Published
- 2011
- Language
- EN
- Field
- Chemistry (Physical Sciences)