{"title":"互变异构的吖嗪。第五部分:氨基喹啉-3(2H)- 1和3-和4-氨基喹啉","authors":"A. Boulton, I. Fletcher, A. Katritzky","doi":"10.1039/J29710002344","DOIUrl":null,"url":null,"abstract":"The title compounds are shown to exist predominantly as the structures named in aqueous solution. Their tautomeric equilibria with the relevant hydroxy, imino, and zwitterionic forms are investigated by u.v. spectroscopy and basicity measurements as are the structures of the mono- and di-cationic species. The quantitative tautomeric equilibrium constants are compared with those for the pyridazine and quinoline series.","PeriodicalId":17268,"journal":{"name":"Journal of The Chemical Society B: Physical Organic","volume":"23 1","pages":"2344-2350"},"PeriodicalIF":0.0000,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Tautomeric azines. Part V. Cinnolin-3(2H)-one and 3- and 4-aminocinnoline\",\"authors\":\"A. Boulton, I. Fletcher, A. Katritzky\",\"doi\":\"10.1039/J29710002344\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The title compounds are shown to exist predominantly as the structures named in aqueous solution. Their tautomeric equilibria with the relevant hydroxy, imino, and zwitterionic forms are investigated by u.v. spectroscopy and basicity measurements as are the structures of the mono- and di-cationic species. The quantitative tautomeric equilibrium constants are compared with those for the pyridazine and quinoline series.\",\"PeriodicalId\":17268,\"journal\":{\"name\":\"Journal of The Chemical Society B: Physical Organic\",\"volume\":\"23 1\",\"pages\":\"2344-2350\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1971-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of The Chemical Society B: Physical Organic\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1039/J29710002344\",\"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 B: Physical Organic","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1039/J29710002344","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Tautomeric azines. Part V. Cinnolin-3(2H)-one and 3- and 4-aminocinnoline
The title compounds are shown to exist predominantly as the structures named in aqueous solution. Their tautomeric equilibria with the relevant hydroxy, imino, and zwitterionic forms are investigated by u.v. spectroscopy and basicity measurements as are the structures of the mono- and di-cationic species. The quantitative tautomeric equilibrium constants are compared with those for the pyridazine and quinoline series.
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