{"title":"1位あるいは4位にナフチル基を有するジアリールシクロヘプタ-1,3-ジエンの特異的光閉環反応","authors":"健一 中林, 博智 江並, 秀秋 束元, 大内 秋比古","doi":"10.1246/NIKKASHI.2001.433","DOIUrl":null,"url":null,"abstract":"The direct photocyclization of four 1,4-diarylcyclohepta-1,3-dienes(1a–d) with different aryl groups (phenyl, 1-naphthyl, and 2-naphthyl groups) by a XeCl excimer laser (308 nm) in hexane gave 1,5-diarylbicyclo[3.2.0]hept-6-enes (2a–c). The efficiency of the photochemical cyclization and fluorescence quantum yield strongly depended upon the aromatic substituents and this is interpreted by the conformation of the molecules.","PeriodicalId":19311,"journal":{"name":"Nippon Kagaku Kaishi","volume":"10 1","pages":"433-435"},"PeriodicalIF":0.0000,"publicationDate":"2001-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nippon Kagaku Kaishi","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1246/NIKKASHI.2001.433","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The direct photocyclization of four 1,4-diarylcyclohepta-1,3-dienes(1a–d) with different aryl groups (phenyl, 1-naphthyl, and 2-naphthyl groups) by a XeCl excimer laser (308 nm) in hexane gave 1,5-diarylbicyclo[3.2.0]hept-6-enes (2a–c). The efficiency of the photochemical cyclization and fluorescence quantum yield strongly depended upon the aromatic substituents and this is interpreted by the conformation of the molecules.
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