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http://hdl.handle.net/2067/1881
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| Title: | Chemoselective and efficient carboxymethylation of the alcoholic chain of phenols by dimethyl carbonate (DMC). |
| Authors: | Bernini, Roberta
Mincione, Enrico
Crisante, Fernanda
Barontini, Maurizio
Fabrizi, Giancarlo
Gentili, Patrizia |
| Keywords: | Chemoselective carbomethoxylation
Dimethyl carbonate
Carboxymethylated hydroxytyrosol |
| Issue Date: | 2007 |
| Publisher: | Elsevier Ltd |
| Citation: | Bernini, R. et al. 2007. Chemoselective and efficient carboxymethylation of the alcoholic chain of phenols by dimethyl carbonate (DMC). "Tetrahedron Letters" 48(39): 7000-7003. |
| Abstract: | The efficiency of dimethyl carbonate (DMC) as chemoselective carbomethoxylating agent of the alcoholic chain of phenols has been investigated. In the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) or sulfuric acid as catalysts. New carbomethoxylated phenolic compounds were obtained in quantitative yields. A new efficient derivatization of the aliphatic alcoholic chain of the precious natural hydroxytyrosol is described, which increases the lipophilicity of the hydroxytyrosol. The antioxidant activity of this new carboxymethylated hydroxytyrosol 8 has been investigated using DPPH radical scavenging test. The results showed that this new compound has an antioxidant activity similar to hydroxytyrosol.
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| Description: | L'articolo è disponibile sul sito dell'editore:
http://www.sciencedirect.com |
| URI: | http://hdl.handle.net/2067/1881 |
| ISSN: | 0040-4039 |
| Appears in Collections: | DABAC - Archivio della produzione scientifica
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