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    Fast RNA conjugations on solid phase by strain-promoted cycloadditions

    Singh, Ishwar and Freeman, Colin and Madder, Annemieke and Vyle, Joseph S. and Heaney, Frances (2012) Fast RNA conjugations on solid phase by strain-promoted cycloadditions. Organic & Biomolecular Chemistry, 10 (33). pp. 6633-6639. ISSN 1477-0520

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    Strain promoted cycloaddition is presented as a tool for RNA conjugation on the solid phase; RNA-cyclooctyne conjugates are prepared by cycloaddition to both azide (strain-promoted azide–alkyne cycloaddition, SPAAC) and nitrile oxide dipoles (strain-promoted nitrile oxide–alkyne cycloaddition, SPNOAC). The conjugation is compatible with 2′-OMe blocks and with 2′-O-TBDMS protection on the ribose moieties of the sugar. Nitrile oxide dipoles are found to be more reactive click partners than azides. The conjugation proceeds within 10 min in aqueous solvents, at room temperature without any metal catalyst and tolerates dipoles of varying steric bulk and electronic demands, including pyrenyl, coumarin and dabcyl derivatives

    Item Type: Article
    Additional Information: Organic & Biomolecular Chemistry 2012 Sep 7;10(33):6633-9. Epub 2012 Jul 2. DOI:10.1039/C2OB25628B
    Keywords: RNA conjugations; solid phase; strain-promoted cycloadditions; RNA-cyclooctyne;
    Academic Unit: Faculty of Science and Engineering > Chemistry
    Item ID: 3825
    Depositing User: Dr. Frances Heaney
    Date Deposited: 21 Aug 2012 15:36
    Journal or Publication Title: Organic & Biomolecular Chemistry
    Publisher: Royal Society of Chemistry
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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