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  • Title: DNA and LNA oligonucleotides containing N2'-functionalised derivatives of 2'-amino-2'-deoxyuridine.
    Author: Kalra N, Parlato MC, Parmar VS, Wengel J.
    Journal: Bioorg Med Chem Lett; 2006 Jun 15; 16(12):3166-9. PubMed ID: 16621554.
    Abstract:
    Synthesis of various N-acylated derivatives of 2'-amino-2'-deoxyuridine is described together with their incorporation into DNA and LNA oligonucleotides using the phosphoramidite approach on an automated DNA synthesizer. The thermal stabilities of duplexes formed by these 2'-amino-DNA-modified DNA or LNA/DNA chimeric strands and complementary DNA or RNA strands have been studied. Introduction of LNA monomers around the functionalised 2'-amino-DNA modifications results in reversal of the affinity-decreasing effect of the latter. This represents a novel general approach for design and synthesis of high-affinity functionalised oligonucleotides for biotechnological or medicinal applications.
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