X-Ring substituted benzyl alcohols are photooxidized to the corresponding aldehydes by TiO2 in CH3CN in the presence of Ag2SO4 and kinetic evidence suggests a changeover of the electron abstraction site from the aromatic moiety (X 4-CH3O, 4-CH3, 4-Cl, H, 3-Cl) to the hydroxylic group (X 3-CF3, 4-CF3), probably owing to the preferential adsorption of OH on TiO2.
Photooxidation of benzyl alcohols sensitized by TiO2 in CH3CN in the presence of Ag2SO4. Kinetic evidences for the involvement of adsorption phenomena
SEBASTIANI, Giovanni Vittorio;AMORI, Laura;DEL GIACCO, Tiziana;ROL, Cesare
1998
Abstract
X-Ring substituted benzyl alcohols are photooxidized to the corresponding aldehydes by TiO2 in CH3CN in the presence of Ag2SO4 and kinetic evidence suggests a changeover of the electron abstraction site from the aromatic moiety (X 4-CH3O, 4-CH3, 4-Cl, H, 3-Cl) to the hydroxylic group (X 3-CF3, 4-CF3), probably owing to the preferential adsorption of OH on TiO2.File in questo prodotto:
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