Aerobic oxidation of aldehydes by visible light photocatalysis

Naeem Iqbal, Sungkyu Choi, Youngmin You, Eun Jin Cho

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


An efficient and environmentally benign method for the oxidation of aldehydes to carboxylic acids has been developed. Singlet oxygen, generated by visible light in the presence of a Ru or Ir photocatalyst, reacted with aldehydes to give the corresponding carboxylic acids in excellent yields. The reaction is highly chemo-selective, in which only an aldehyde moiety is reactive even in the presence of other photo-oxidation active sites. This method is an example of an ideal green chemical reaction in the sense that molecular oxygen and visible light are key sources for the transformation.

Original languageEnglish
Pages (from-to)6222-6225
Number of pages4
JournalTetrahedron Letters
Issue number46
StatePublished - 13 Nov 2013

Bibliographical note

Funding Information:
This work was supported by the research fund of the Hanyang University (HY-2011-G).


  • Aldehyde
  • Carboxylic acid
  • Oxygen
  • Photocatalyst
  • Visible light


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