Aerobic oxidation of 9H-fluorenes to 9-fluorenones using mono-/multilayer graphene-supported alkaline catalyst

Xin Zhang, Xuan Ji, Ruifei Su, Brandon L. Weeks, Zhao Zhang, Songlu Deng

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

The synthesis of 9-fluorenone derivatives has been achieved in high yield and with high purity by aerobic oxidation of 9H-fluorenes at room temperature in the presence of a graphene-supported KOH composite that acts as a catalyst in N,N-dimethylformamide. The new protocol involves very simple work-up procedures, and the solvent and the catalyst can be recycled and reused. A scaled-up preparative study employing this method was also conducted and showed its advantages of being both cost-effective and environmentally friendly, and has potential for application in industrial processes.

Original languageEnglish
Pages (from-to)703-711
Number of pages9
JournalChemPlusChem
Volume78
Issue number7
DOIs
StatePublished - Jul 2013

Keywords

  • 9-fluorenones
  • aerobic oxidation
  • catalysis
  • graphene
  • synthetic methods

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