4.4 Article

A novel use of the recyclable polymer-supported IBX: an efficient chemoselective and regioselective oxidation of phenolic compounds. The case of hydroxytyrosol derivatives

Journal

TETRAHEDRON LETTERS
Volume 50, Issue 12, Pages 1307-1310

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.01.037

Keywords

Polymer-supported IBX; Dimethyl carbonate; Green process; Hydroxytyrosol; Carboxymethylated hydroxytyrosol

Funding

  1. Ministero delle Politiche Agricole e Forestali (MIPAF)
  2. Interuniversity Consortium 'Chemistry for the Environment' (INCA)

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A useful and novel application of polymer-supported IBX for the chemoselective and regioselective oxidation of phenolic compounds has been described. Hydroxytyrosol and carboxymethylated hydroxytyrosol have been prepared in good conversions and yields under green chemistry conditions in the presence of dimethyl carbonate as the solvent. Polymer supported reagent has been recovered by simple filtration, regenerated and reused for more cycles of oxidation reactions without loss of efficiency. (C) 2009 Elsevier Ltd. All rights reserved.

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