Unexpected dual role of titanium dioxide in the visible light heterogeneous catalyzed C-H arylation of heteroarenes

Jochen Zoller, David C. Fabry, Magnus Rueping*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

The direct arylation of heteroaromatics with an easily accessible and recyclable, heterogeneous TiO2 catalyst and visible light was developed. Electron-rich as well as electron-poor heteroarenes could be applied in this transformation, and the corresponding products were isolated in very good yields. Azoethers were detected as reactive intermediates, and the unexpected role of TiO2 in their formation as well as reaction was established.

Original languageEnglish (US)
Pages (from-to)3900-3904
Number of pages5
JournalACS Catalysis
Volume5
Issue number6
DOIs
StatePublished - Jun 5 2015

Keywords

  • C-H activation
  • cross coupling
  • heterogeneous catalysis
  • photocatalysis
  • photoredox catalysis

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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