Abstract
The structure of Rh(II) complexes with vigorous ligands immobilized on γ-aminopropyl-containing silicagel (γ-AMPS) and polymers containing 3(5)-methyl-pyrazole and imidazole groups, was investigated. It was shown by IR spectroscopy that the ligand surroundings are maintained after application only for the Rh(II) acetate complex. For the acetonitrile and hexafluoroacetylacetonate complexes there is a replacement of the ligands by amino groups of the carrier. [Rh2(O2CCH3)4] is significantly more active than other metal complexes immobilized on γ-AMPS in the hydrodehalogenation of p-bromotoluene by transfer of hydrogen from NaBH4 and propanol-2.
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N. D. Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, 117913 Moscow. Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 1, pp. 65–70, January, 1992.
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Isaeva, V.I., Dykh, Z.L., Lafer, L.I. et al. Structure and catalytic activity of metal complexes fixed on carriers. Hydrodehalogenation of p-bromotoluene with chemically bonded hydrogen, catalyzed by immobilized rhodium(II) complexes. Russ Chem Bull 41, 49–54 (1992). https://doi.org/10.1007/BF00863911
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DOI: https://doi.org/10.1007/BF00863911