Photochemistry of Alkyl Aryl Ketones on Alumina, Silica-gel and Water-Ice Surfaces

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Authors	LITERÁK Jaromír KLÁN Petr HEGER Dominik LOUPY André
Year of publication	2002
Type	Article in Periodical
Magazine / Source	Journal of Photochemistry and Photobiology A: Chemistry
MU Faculty or unit	Faculty of Science
Citation
Field	Organic chemistry
Keywords	microwave; photochemistry
Description	Investigation of the Norrish type II photoreaction of alkyl aryl ketones on alumina, silica-gel, and water ice surfaces is reported. The reaction was studied in terms of the quantum efficiency and the photoproduct distribution as well as the influence of reaction temperature. A model in which the short-lived biradical intermediate interacts with the surface, in addition to polar effect on the excited triplet of ketone, is proposed. An application of alumina for microwave photochemical experiment is reported.
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