Oxidation of Isoeugenol by Salen Complexes with Bulky Substituents
AbstractThe catalytic properties of bulky water-soluble salen complexes in the oxidation of isoeugenol(2-methoxy-4-(1-propenyl) phenol) have been investigated in aqueous ethanol solutions in order to obtain a mixture of polymeric compounds through dehydrogenative polymerization. The average molecular weight of dehydrogenated polymers (DHPs) was monitored by GPC and correlated to reaction conditions such as time, concentration of substrate, concentration of catalyst, type of oxidation agent, etc. The DHP synthesized by adopting the best reaction conditions was characterized by different analytical techniques (GPC, 13C-NMR, 31P-NMR and LC-MS) to elucidate its structure. The lignin-like polymer resulting from isoeugenol radical coupling possesses valuable biological activity and finds applications in a variety of fields, such as packaging industry and cultural heritage conservation.
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Salanti, A.; Orlandi, M.; Tolppa, E.-L.; Zoia, L. Oxidation of Isoeugenol by Salen Complexes with Bulky Substituents. Int. J. Mol. Sci. 2010, 11, 912-926.
Salanti A, Orlandi M, Tolppa E-L, Zoia L. Oxidation of Isoeugenol by Salen Complexes with Bulky Substituents. International Journal of Molecular Sciences. 2010; 11(3):912-926.Chicago/Turabian Style
Salanti, Anika; Orlandi, Marco; Tolppa, Eeva-Liisa; Zoia, Luca. 2010. "Oxidation of Isoeugenol by Salen Complexes with Bulky Substituents." Int. J. Mol. Sci. 11, no. 3: 912-926.