{"title":"Fluorescent labelling of ribonucleosides at 2'-terminus; comparative fluorescence studies.","authors":"A Misra, S Tripathi, K Misra","doi":"10.1093/nass/44.1.291","DOIUrl":null,"url":null,"abstract":"<p><p>In case of RNA's, multiple labelling can be achieved by exploiting the available 2'-OH position of sugar moiety of nucleosides. N-protected nucleoside viz. cytidine has been prepared using a selective photolabile group i.e. 2-nitrobenzyloxycarbonyl. After protection of 5',3'-OH with 1,1,3,3,-tetraisopropyl disiloxyl group, 2'-OH was selectively activated by using N,N'-carbonyl diimidazole (CDI) and subsequently condensed with dansyl amide. After usual deprotection step comparative fluorescence studies of the monomer were carried out using different solvents/buffers.</p>","PeriodicalId":19394,"journal":{"name":"Nucleic acids symposium series","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/nass/44.1.291","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nucleic acids symposium series","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1093/nass/44.1.291","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
In case of RNA's, multiple labelling can be achieved by exploiting the available 2'-OH position of sugar moiety of nucleosides. N-protected nucleoside viz. cytidine has been prepared using a selective photolabile group i.e. 2-nitrobenzyloxycarbonyl. After protection of 5',3'-OH with 1,1,3,3,-tetraisopropyl disiloxyl group, 2'-OH was selectively activated by using N,N'-carbonyl diimidazole (CDI) and subsequently condensed with dansyl amide. After usual deprotection step comparative fluorescence studies of the monomer were carried out using different solvents/buffers.
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