Methylene Analogs of Cyclobutenedione. VII. Photolysis of 2,3-Bis-(diphenylmethylene)cyclobutanone and Its Derivatives
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概要
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Photolysis of 2,2-dimethoxy-3,4-bis(diphenylmethylene)cyclobutanone (I), 2,3-bis(diphenylmethylene)cyclobutanone (XIV), and 3,4-bis(diphenylmethylene)cyclobutanedione (XXV) in methanol was investigated. Photolysis of I afforded tricyclic compound(II) and dimethyl cyclobutanedicarboxylate (III) in 48 and 35% yields, respectively. Photolysis of XIV and XXV afforded the dihydronaphthalene derivatives (XIX) (88% yield) and XXIV (72% yield), respectively. The mechanisms of these reactions were also studied.
- 公益社団法人 日本化学会の論文
著者
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Toda Fumio
Department Of Applied Chemistry Faculty Of Engineering Ehime University
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Todo Eishiro
Department of Industrial Chemistry, Faculty of Engineering, Ehime University
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Nakaoka Hisao
Department of Industrial Chemistry, Faculty of Engineering, Ehime University
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Yuwane Kentaro
Department of Industrial Chemistry, Faculty of Engineering, Ehime University
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