Iron(III) Complexation with Galactodendritic Porphyrin Species and Hydrocarbons’ Oxidative Transformations

Kelly A.D.F. Castro, Kátia C.M. Westrup, Sandrina Silva, Patrícia M.R. Pereira, Mário M.Q. Simões, Maria da Graça P.M.S. Neves, José A.S. Cavaleiro, João P.C. Tomé, Shirley Nakagaki

Research output: Contribution to journalArticlepeer-review


The iron metalation of the known free-base porphyrins H2P2 and H2P3, obtained by structural modification of the well-known TPPF20 (H2P1) with galactose dendritic units, gave the corresponding iron(III) porphyrin complex FeP2 and the solid hybrid material FeP3S. Their synthesis, characterization and catalytic efficacy toward the oxidation of the organic substrates (Z)-cyclooctene, cyclohexane and heptane, are reported. In this work, the possibility to modulate selectivity and chemical efficiency of the catalytic system by using simple and more sophisticated metalloporphyrins is demonstrated. Furthermore, the presence of the galactose dendrimer units at the meso-porphyrin ring positions can tune the oxidation at the terminal positions in linear alkanes. In addition, the FeP3S material was easily recovered and reused at least 3 times for the cyclooctene oxidation. The catalytic performance of material FeP3S, associated with their possibility of reuse, makes this material a promising catalyst.

Original languageEnglish
Pages (from-to)2857-2869
Number of pages13
JournalEuropean Journal of Inorganic Chemistry
Issue number28
StatePublished - Jul 26 2021


  • Catalysis
  • Oxidation
  • Porphyrin
  • Selectivity
  • Sugar dendrimers


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