A novel process for selective Ruthenium-Catalyzed oxidation of naphthalenes and phenols

Gerrit Wienhöfer, Kristin Schröder, Konstanze Möller, Kathrin Junge, Matthias Beller

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

Arenes are selectively oxidized to the corresponding quinones employing ruthenium(2,2′,6′:2″-terpyridine)(2,6-pyridinedicarboxylate) [Ru(tpy)(pydic] as catalyst and hydrogen peroxide as the terminal oxidant. Applying alkylated naphthalenes and phenols, benzo- and naphthoquinones are obtained in up to 93% yield. The industrially interesting oxidation of 2-methylnaphthalene gave 74% of the corresponding quiñones and 60% of menadione (vitamin K3). 2,3,5-Trimethylbenzoquinone which constitutes the key intermediate for vitamin E is obtained in 83% yield.

Original languageEnglish
Pages (from-to)1615-1620
Number of pages6
JournalAdvanced Synthesis and Catalysis
Volume352
Issue number10
DOIs
StatePublished - 5 Jul 2010
Externally publishedYes

Keywords

  • Arenes
  • Hydrogen peroxide
  • Menadione
  • Oxidation
  • Ruthenium
  • Vitamin E

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