Molecules 2020, 25, 5642
12 of 13
16. Martins, L.M.D.R.S.; Almeida, M.P.; Carabineiro, S.A.C.; Figueiredo, J.L.; Pombeiro, A.J.L. Heterogenisation
of a C-scorpionate feii complex on carbon materials for cyclohexane oxidation with hydrogen peroxide.
ChemCatChem 2013, 5, 3847–3856. [CrossRef]
17. Martins, L.M.D.R.S.; Ribeiro, A.P.C.; Carabineiro, S.A.C.; Figueiredo, J.L.; Pombeiro, A.J.L. Highly efficient
and reusable CNT supported iron(II) catalyst for microwave assisted alcohol oxidation. Dalton Trans. 2016,
18. Ribeiro, A.P.C.; Martins, L.M.D.R.S.; Carabineiro, S.A.C.; Buijnsters, J.G.; Figueiredo, J.L.; Pombeiro, A.J.L.
Heterogenised C-scorpionate iron(II) complex on nanostructured carbon materials as catalysts for
microwave-assisted oxidation reactions. ChemCatChem 2018, 10, 1821–1828. [CrossRef]
19. Van-Dúnem, V.; Carvalho, A.P.; Martins, L.M.D.R.S.; Martins, A. Improved cyclohexane oxidation catalyzed
by a heterogenised iron(II) complex on hierarchical Y zeolite through surfactant mediated technology.
ChemCatChem 2018, 10, 4058–4066. [CrossRef]
20. Ribeiro, A.P.C.; Matias, I.A.S.; Alegria, E.C.B.A.; Ferraria, A.M.; Rego, A.M.B.; Pombeiro, A.J.L.;
Martins, L.M.D.R.S. New trendy magnetic C-scorpionate iron catalyst and its performance towards
cyclohexane oxidation. Catalysts 2018, 8, 69. [CrossRef]
21. Matias, I.A.S.; Ribeiro, A.P.C.; Alegria, E.C.B.A.; Pombeiro, A.J.L.; Martins, L.M.D.R.S. C-scorpionate iron(II)
complexes as highly selective catalysts for the hydrocarboxylation of cyclohexane. Inorg. Chim. Acta 2019
,
22. Ribeiro, A.P.C.; Martins, L.M.D.R.S.; Kuznetsov, M.L.; Pombeiro, A.J.L. Tuning cyclohexane oxidation:
Combination of microwave irradiation and ionic liquid with the C-scorpionate [FeCl2(Tpm)] catalyst.
Organometallics 2016, 36, 192–198. [CrossRef]
23. Ribeiro, A.P.C.; Martins, L.M.D.R.S.; Pombeiro, A.J.L. Carbon dioxide-to-methanol single-pot conversion
using a C-scorpionate iron(II) catalyst. Green Chem. 2017, 19, 4811–4815. [CrossRef]
24. Andrade, M.A.; Mestre, A.S.; Carvalho, A.P.; Pombeiro, A.J.L.; Martins, L.M.D.R.S. The role of nanoporous
carbon materials in catalytic cyclohexane oxidation. Catal. Today 2019, 357, 46–55. [CrossRef]
25. Trofimenko, S. Scorpionates: The Coordination Chemistry of Polypyrazolylborate Ligands; Imperial College Press:
London, UK, 1999.
26. Matias, I.A.S.; Ribeiro, A.P.C.; Ferraria, A.M.; Rego, A.M.B.; Martins, L.M.D.R.S. Catalytic performance of a
magnetic core-shell Iron(II) C-scorpionate under unconventional oxidation conditions. Nanomaterials 2020
,
27. Baig, R.B.N.; Varma, R.S. Organic synthesis via magnetic attraction: Benign and sustainable protocols using
magnetic nanoferrites. Green Chem. 2013, 15, 398–417. [CrossRef]
28. Munz, M.; Strassner, T. Alkane C–H Functionalization and Oxidation with Molecular Oxygen. Inorg. Chem.
29. Alegria, E.C.; Kirillova, M.V.; Martins, L.M.D.R.S.; Pombeiro, A.J.L. Pyrazole and trispyrazolylmethane
rhenium complexes as catalysts for ethane and cyclohexane oxidations. Appl. Catal.
A 2007, 317,
30. Kirillov, A.M.; Haukka, M.; Kirillova, M.V.; Pombeiro, A.J.L. Single-pot ethane carboxylation catalyzed by
new oxorhenium(V) complexes with N,O ligands. Adv. Synth. Catal. 2005, 347, 1435–1446. [CrossRef]
31. Kirillova, M.V.; Kirillov, A.M.; Reis, P.M.; Silva, J.A.; Silva, J.J.F.; Pombeiro, A.J.L. Group 5–7 transition metal
oxides as efficient catalysts for oxidative functionalization of alkanes under mild conditions. J. Catal. 2007
,
32. Kirillova, M.V.; Silva, J.A.; Silva, J.J.F.; Pombeiro, A.J.L. Direct and efficient transformation of gaseous
alkanes into carboxylic acids catalyzed by vanadium containing heteropolyacids. Appl. Catal. A 2007, 332,
33. Takanabe, K.; Iglesia, E. Mechanistic aspects and reaction pathways for oxidative coupling of methane on
Mn/Na2WO4/SiO2 catalysts. J. Phys. Chem. C 2009, 113, 10131–10145. [CrossRef]
34. Shul’pina, L.S.; Kirillova, M.V.; Pombeiro, A.J.L.; Shul’pin, G.B. Alkane oxidation by the H2O2-NaVO3-H2SO4
system in acetonitrile and water. Tetrahedron 2009, 65, 2424–2429. [CrossRef]
35. Tse, C.-W.; Chow, T.W.-S.; Guo, Z.; Lee, H.K.; Huang, J.-S.; Che, C.-M. Nonheme iron mediated oxidation of
light alkanes with oxone: Characterization of reactive oxoiron(IV) ligand cation radical intermediates by
spectroscopic studies and dft calculations. Angew. Chem. Int. Ed. 2014, 53, 798–803. [CrossRef]