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Synthesis and DPPH radical scavenging activity of novel compounds obtained from tyrosol and cinnamic acid derivatives (Articolo in rivista)
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- Label
- Synthesis and DPPH radical scavenging activity of novel compounds obtained from tyrosol and cinnamic acid derivatives (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1039/c3nj01180a (literal)
- Alternative label
M. Barontini, R. Bernini,I. Carastr, P. Gentili, A. Romani (2014)
Synthesis and DPPH radical scavenging activity of novel compounds obtained from tyrosol and cinnamic acid derivatives
in New journal of chemistry (1987)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- M. Barontini, R. Bernini,I. Carastr, P. Gentili, A. Romani (literal)
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- Dipartimento di Scienze e Tecnologie per l'Agricoltura, le Foreste, la Natura e l'Energia (DAFNE), Università Degli Studi della Tuscia, Via S. Camillo De Lellis, 01100 Viterbo, Italy; Dipartimento di Chimica, IMC-CNR Sezione Meccanismi di Reazione, Università Degli Studi la Sapienza, P. le A. Moro 5, 00185 Rome, Italy; Dipartimento di Statistica, Informatica Applicazioni G. Parenti (DiSIA), Viale Morgagni 65, 50134 Firenze, Italy (literal)
- Titolo
- Synthesis and DPPH radical scavenging activity of novel compounds obtained from tyrosol and cinnamic acid derivatives (literal)
- Abstract
- Tyrosol, a naturally occurring phenolic compound poorly attractive as an antioxidant because of its weak efficacy, was used as starting material to obtain novel compounds. The synthesis is based on a trifluoroacetic acid-mediated hydroarylation of cinnamic esters with tyrosol to produce 4-aryl-3,4-dihydrocoumarins, molecules of biological interest, followed by a basic hydrolysis to give the corresponding ring opening products. Unreported mechanistic investigations confirmed that the first step resulted from an electrophilic aromatic substitution and an intramolecular transesterification. Final products exhibited DPPH radical scavenging activity significantly higher than tyrosol. © 2014 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. (literal)
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