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  • Title: Triazolylpyrenes: synthesis, fluorescence properties, and incorporation into DNA.
    Author: Werder S, Malinovskii VL, Häner R.
    Journal: Org Lett; 2008 May 15; 10(10):2011-4. PubMed ID: 18433143.
    Abstract:
    Synthesis of 1,6- and 1,8-triazolylpyrenes and their incorporation into oligonucleotides is described. In hybrids, triazolylpyrenes adopt interstrand stacking interactions. Exciton coupling is observed for the duplex containing a pair of the 1,6-isomer indicating a well-defined helical arrangement of the triazolylpyrene building blocks. Triazole substitution results in pronounced red-shifts of monomer as well as excimer fluorescence. Furthermore, quantum yields of the formed excimers are remarkably high.
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