High turnover numbers for the catalytic selective epoxidation of alkenes with 1 atm of molecular oxygen

Yoshiyuki Nishiyama, Yoshinao Nakagawa, Noritaka Mizuno

Research output: Contribution to journalArticlepeer-review

159 Citations (Scopus)

Abstract

The diiron-substituted silicotungstate γ-SiW10{Fe3+(OH2}2O 386- (schematically shown) is an effective catalyst for the oxygenation of alkenes in homogeneous reaction media with 1 atm of molecular oxygen. For example, a selectivity for cyclooctene oxide of 98% and a turnover number of 10000 were achieved in the epoxidation of cyclooctene. The catalyst is stable under the reaction conditions, and its ability to use molecular oxygen raises the prospect of using it in industrial epoxidation processes.

Original languageEnglish
Pages (from-to)3639-3641
Number of pages3
JournalAngewandte Chemie - International Edition
Volume40
Issue number19
DOIs
Publication statusPublished - 2001 Oct 1
Externally publishedYes

Keywords

  • Epoxidation
  • Homogeneous catalysis
  • Oxygenation
  • Polyoxometalates

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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