Bulletin of the Chemical Society of Japan p. 2307 - 2310 (1985)
Update date:2022-08-16
Topics:
Kodama, Sukeya
Yabuta, Masaaki
Anpo, Masakazu
Kubokawa, Yutaka
It has been found with ZnO as well as TiO2 that 2-butene is much more reactive than 1-butene for their photocatalytic isomerization.Although both cis-trans and double bond isomerizations take place on ZnO, only cis-trans isomerizations occurs over SnO2.The photocatalytic isomerization were suppressed drastically in the presence of NO.From those results together with the ESR studies the following conclusions emerge; a butene molecule interacts with the photoformed O- to form a radical species as a result of fission of the C=C bond; the photocatalytic isomerization proceeds via such a radical intermediate; the lack of the reactivity of 1-butene appears to be explicable on such basis.
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