{"title":"pH值对4,4′-双喹啉消旋速率的影响","authors":"M. Crawford, R. Ingle","doi":"10.1039/J29710001907","DOIUrl":null,"url":null,"abstract":"The rate of racemisation of optically active 4,4′-biquinolyl varies only slightly from one solvent to another but drops about tenfold in strong acid. The effect is attributed mainly to alteration of the molecular dimensions on protonation.","PeriodicalId":17268,"journal":{"name":"Journal of The Chemical Society B: Physical Organic","volume":"72 1","pages":"1907-1912"},"PeriodicalIF":0.0000,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"The effect of pH on the racemisation rate of 4,4′-biquinolyl\",\"authors\":\"M. Crawford, R. Ingle\",\"doi\":\"10.1039/J29710001907\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The rate of racemisation of optically active 4,4′-biquinolyl varies only slightly from one solvent to another but drops about tenfold in strong acid. The effect is attributed mainly to alteration of the molecular dimensions on protonation.\",\"PeriodicalId\":17268,\"journal\":{\"name\":\"Journal of The Chemical Society B: Physical Organic\",\"volume\":\"72 1\",\"pages\":\"1907-1912\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1971-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of The Chemical Society B: Physical Organic\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1039/J29710001907\",\"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/J29710001907","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The effect of pH on the racemisation rate of 4,4′-biquinolyl
The rate of racemisation of optically active 4,4′-biquinolyl varies only slightly from one solvent to another but drops about tenfold in strong acid. The effect is attributed mainly to alteration of the molecular dimensions on protonation.
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