Solvent effects on the photochemistry of dimethyl sulfoxide–Cl complexes studied by combined pulse radiolysis and laser flash photolysis

Solvent effects on the photochemistry of dimethyl sulfoxide–Cl complexes studied by combined pulse radiolysis and laser flash photolysis

Photolysis of complexes of dimethyl sulfoxide (DMSO) with chlorine atoms results in rapid and permanent photobleaching which may be due to intramolecular hydrogen abstraction. The effects of solvent polarity were examined in a wide variety of DMSO–carbon tetrachloride mixed solvents. The quantum yie...

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Veröffentlicht in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2006-02, Vol.75 (2), p.195-200
Hauptverfasser: Sumiyoshi, Takashi, Minegishi, Hideki, Fujiyoshi, Ryoko, Sawamura, Sadashi
Format: Artikel
Sprache:eng
Schlagworte:
DMSO–Cl complex
Intramolecular hydrogen abstraction
Photochemistry
Pulse radiolysis
Solvation effect
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Zusammenfassung:Photolysis of complexes of dimethyl sulfoxide (DMSO) with chlorine atoms results in rapid and permanent photobleaching which may be due to intramolecular hydrogen abstraction. The effects of solvent polarity were examined in a wide variety of DMSO–carbon tetrachloride mixed solvents. The quantum yields of photobleaching decreased from 0.27 to 0.08 as the solvent polarity increased, while significant changes were observed in the low DMSO concentration range (
ISSN:0969-806X
1879-0895
DOI:10.1016/j.radphyschem.2005.08.016