Selective sulfoxidation of aryl sulfides by coordinatively unsaturated metal centers in chromium carboxylate MIL-101

Young Kyu Hwang, Do Young Hong, Jong San Chang, Hyejin Seo, Minji Yoon, Jinheung Kim, Sung Hwa Jhung, Christian Serre, Gérard Férey

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107 Scopus citations

Abstract

The nanoporous chromium carboxylate MIL-101 with coordinatively unsaturated chromium sites has been shown to be active in the sulfoxidation of aryl sulfides with H2O2 to selectively produce the corresponding sulfoxides. Interestingly, the electron-releasing groups in the oxygenation reaction of para-X-phenylmethyl sulfoxides (X-Ph-S-CH3, X = CH3, H, NO2, and CN) enhanced the oxidation reactivity in 1:1 mixtures of X-Ph-S-CH3:H-Ph-S-CH3. Moreover, the 18O-labeled experiments to understand the source of oxygen in sulfoxide products proved that the oxygen atom in the sulfoxide product was entirely derived from H2O2.

Original languageEnglish
Pages (from-to)249-253
Number of pages5
JournalApplied Catalysis A: General
Volume358
Issue number2
DOIs
StatePublished - 1 May 2009

Keywords

  • Coordinatively unsaturated metal site (CUS)
  • HO
  • MIL-101
  • Metal-organic frameworks (MOFs)
  • Sulfoxidation

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