4.4 Article

Ionic liquid-supported TEMPO as catalyst in the oxidation of alcohols to aldehydes and ketones

Journal

TETRAHEDRON LETTERS
Volume 51, Issue 34, Pages 4501-4504

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.06.086

Keywords

Oxidation reaction; Ionic liquids; Click chemistry; Green chemistry

Funding

  1. Spanish Ministry of Education and Science [CTQ2007-61788]
  2. Spanish Ministry of Foreign Affairs and Cooperation [PCI A/023040/09]
  3. Xunta de Galicia [INCITEO8PXIB314253PR, INCITE08ENA314019E5, INCITE08PXIB314255PR]
  4. Asiyla Gum company SARL

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We describe an efficient synthesis of an ionic liquid-supported TEMPO which was used for the oxidation of alcohols to aldehydes and ketones. The predictable solubility of ionic liquids allows an easy separation of the oxidation products from reagents. Furthermore, the oxidation can be carried out using an ionic liquid as the solvent instead of dichloromethane; and the IL-supported TEMPO can be recycled and used several times without the loss of efficiency. (C) 2010 Elsevier Ltd. All rights reserved.

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