Formation of 1,2-dioxolane in the singlet oxygenation of cyclopropane |
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| Authors: | Takeshi Akasaka Koichiro Fukuoka and Wataru Ando |
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| Institution: | Department of Chemistry, University of Tsukuba, Tsukuba, Ibaraki 305, Japan |
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| Abstract: | Reaction of 1,1,2,2-tetraanisylcyclopropane (1a) with both thermally and photochemically generated singlet oxygen afforded the corresponding 1,2-dioxolane 2a quantitatively. Singlet oxygenation of two stereoisomeric 1,2-dianisyl-1,2-ditolylcyclopropanes (1b and 1c) gave a mixture of 1,2-dioxolanes 2b and 2c via a non-stereospecific addition in both cases. |
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