Photooxidation of Sulfides to Sulfoxides Mediated by Tetra-O-Acetylriboflavin and Visible Light

Photooxidation of Sulfides to Sulfoxides Mediated by Tetra-O-Acetylriboflavin and Visible Light

Chemoselective photooxidation: Tetra‐O‐acetylriboflavin and blue light mediate the selective oxidation of sulfides to sulfoxides without overoxidation to sulfones. Reaction is very effective in ethanol/water (95:5,v/v) mixture reaching a quantum yield of Φ=0.60. The photooxidation reaction scope inc...

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Veröffentlicht in:ChemCatChem 2012-05, Vol.4 (5), p.620-623
Hauptverfasser: Dad'ová, Jitka, Svobodová, Eva, Sikorski, Marek, König, Burkhard, Cibulka, Radek
Format: Artikel
Sprache:eng
Schlagworte:
flavins
photooxidation
singlet oxygen
sulfides
sulfoxidation
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Zusammenfassung:Chemoselective photooxidation: Tetra‐O‐acetylriboflavin and blue light mediate the selective oxidation of sulfides to sulfoxides without overoxidation to sulfones. Reaction is very effective in ethanol/water (95:5,v/v) mixture reaching a quantum yield of Φ=0.60. The photooxidation reaction scope includes aliphatic and aromatic sulfides including sterically hindered substrates.
ISSN:1867-3880
1867-3899
DOI:10.1002/cctc.201100372