Aerobic photochemical oxidation in mesoporous Ti-MCM-41

Epoxidation of alkenes and oxidation of sulfides

Alexander M. Khenkin, Ronny Neumann

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Irradiation with visible light of a secondary alcohol, benzhydrol, in the presence of molecular oxygen within a titanium-substituted mesoporous molecular sieve, Ti-MCM-41, led to the formation of the α-hydroperoxoalcohol and then hydrogen peroxide. The peroxide species reacted in situ with alkenes and sulfides and led to the titanium center catalyzed selective formation of epoxides from alkenes and sulfoxides from sulfides. The cascade of reactions represents a new method for the photoactivation of oxygen in the presence of alcohols.

Original languageEnglish
Pages (from-to)109-111
Number of pages3
JournalCatalysis Letters
Volume68
Issue number1-2
Publication statusPublished - Aug 2000

Fingerprint

epoxidation
Epoxidation
Alkenes
Multicarrier modulation
Sulfides
Titanium
alkenes
Olefins
sulfides
alcohols
Alcohols
titanium
Sulfoxides
Oxidation
oxidation
epoxy compounds
Molecular oxygen
Epoxy Compounds
Molecular sieves
Peroxides

Keywords

  • Epoxidation
  • Mesoporous MCM-41
  • Photoactivation of molecular oxygen

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

Cite this

Aerobic photochemical oxidation in mesoporous Ti-MCM-41 : Epoxidation of alkenes and oxidation of sulfides. / Khenkin, Alexander M.; Neumann, Ronny.

In: Catalysis Letters, Vol. 68, No. 1-2, 08.2000, p. 109-111.

Research output: Contribution to journalArticle

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