{"title":"冠醚的质谱:优选二级结构对裂解模式的影响","authors":"Y.C. Lee, Alexander I. Popov, John Allison","doi":"10.1016/0020-7381(83)85012-8","DOIUrl":null,"url":null,"abstract":"<div><p>The 70 eV mass spectra of unsubstituted cyclic polyethers, “crown ethers”, from 12-crown-4 (12 membered ring) to 21-crown-7 (21 membered ring) are reported. These compounds exhibit very nearly identical spectra. Preferred secondary structures for these compounds from solution studies are used to explain specific unimolecular rearrangements; that is, the mass spectra of these “three dimensional molecules” is discussed.</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1983-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85012-8","citationCount":"25","resultStr":"{\"title\":\"The mass spectra of crown ethers: The effects of preferred secondary structures on fragmentation patterns\",\"authors\":\"Y.C. Lee, Alexander I. Popov, John Allison\",\"doi\":\"10.1016/0020-7381(83)85012-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The 70 eV mass spectra of unsubstituted cyclic polyethers, “crown ethers”, from 12-crown-4 (12 membered ring) to 21-crown-7 (21 membered ring) are reported. These compounds exhibit very nearly identical spectra. Preferred secondary structures for these compounds from solution studies are used to explain specific unimolecular rearrangements; that is, the mass spectra of these “three dimensional molecules” is discussed.</p></div>\",\"PeriodicalId\":13998,\"journal\":{\"name\":\"International Journal of Mass Spectrometry and Ion Physics\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1983-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0020-7381(83)85012-8\",\"citationCount\":\"25\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Mass Spectrometry and Ion Physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0020738183850128\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Mass Spectrometry and Ion Physics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0020738183850128","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The mass spectra of crown ethers: The effects of preferred secondary structures on fragmentation patterns
The 70 eV mass spectra of unsubstituted cyclic polyethers, “crown ethers”, from 12-crown-4 (12 membered ring) to 21-crown-7 (21 membered ring) are reported. These compounds exhibit very nearly identical spectra. Preferred secondary structures for these compounds from solution studies are used to explain specific unimolecular rearrangements; that is, the mass spectra of these “three dimensional molecules” is discussed.
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