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  • Title: Novel bicyclic nucleoside analogue (1S,5S,6S)-6- hydroxy-5-hydroxymethyl-1-(uracil-1-yl)-3,8-dioxabicyclo[3.2.1]octane: synthesis and incorporation into oligodeoxynucleotides.
    Author: Kvaernø L, Wengel J.
    Journal: J Org Chem; 2001 Aug 10; 66(16):5498-503. PubMed ID: 11485474.
    Abstract:
    The novel bicyclic nucleoside (1S,5S,6S)-6-hydroxy-5-hydroxymethyl-1-(uracil-1-yl)-3,8-dioxabicyclo[3.2.1]octane [2'-deoxy-1'-C,4'-C-(2-oxapropano)uridine] (15), expected to be restricted into an O4'-endo furanose conformation, was synthesized from the known 1-(3'-deoxy-beta-D-psicofuranosyl)uracil 5. The phosphoramidite derivative of 15 was successfully incorporated into oligodeoxynucleotides using standard methods, and thermal denaturation studies showed moderate decreases in duplex stabilities of -2.1 and -1.5 degrees C per modification toward complementary DNA and RNA, respectively.
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