{"title":"质子化四氯铝酸二乙酰烯酮的形成和结构的原位红外和核磁共振研究","authors":"S. Csihony, A. Bodor, J. Rohonczy, I. Horváth","doi":"10.1039/B208387F","DOIUrl":null,"url":null,"abstract":"In situ IR and multinuclear NMR are used to monitor the formation of protonated diacetylketene tetrachloroaluminate (1) in the reaction of acetyl chloride and AlCl3 in both dichloromethane and in 1-butyl-3-methylimidazolium chloride ([bmim]Cl). The existence of a fast equilibrium between two enolic forms of protonated diacetylketene (with [AlCl4]− as the counterion) is established. The structure of 1 is determined by the rarely used 13C{1H}–13C{1H} COSY experiment.","PeriodicalId":17267,"journal":{"name":"Journal of The Chemical Society-perkin Transactions 1","volume":"10 2","pages":"2861-2865"},"PeriodicalIF":0.0000,"publicationDate":"2002-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":"{\"title\":\"In situ IR and NMR spectroscopic investigation of the formation and structure of protonated diacetylketene tetrachloroaluminate\",\"authors\":\"S. Csihony, A. Bodor, J. Rohonczy, I. Horváth\",\"doi\":\"10.1039/B208387F\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In situ IR and multinuclear NMR are used to monitor the formation of protonated diacetylketene tetrachloroaluminate (1) in the reaction of acetyl chloride and AlCl3 in both dichloromethane and in 1-butyl-3-methylimidazolium chloride ([bmim]Cl). The existence of a fast equilibrium between two enolic forms of protonated diacetylketene (with [AlCl4]− as the counterion) is established. The structure of 1 is determined by the rarely used 13C{1H}–13C{1H} COSY experiment.\",\"PeriodicalId\":17267,\"journal\":{\"name\":\"Journal of The Chemical Society-perkin Transactions 1\",\"volume\":\"10 2\",\"pages\":\"2861-2865\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-12-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of The Chemical Society-perkin Transactions 1\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1039/B208387F\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The Chemical Society-perkin Transactions 1","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1039/B208387F","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In situ IR and NMR spectroscopic investigation of the formation and structure of protonated diacetylketene tetrachloroaluminate
In situ IR and multinuclear NMR are used to monitor the formation of protonated diacetylketene tetrachloroaluminate (1) in the reaction of acetyl chloride and AlCl3 in both dichloromethane and in 1-butyl-3-methylimidazolium chloride ([bmim]Cl). The existence of a fast equilibrium between two enolic forms of protonated diacetylketene (with [AlCl4]− as the counterion) is established. The structure of 1 is determined by the rarely used 13C{1H}–13C{1H} COSY experiment.
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