Abstract
Artificial metal-mediated DNA base pairing is a promising strategy for creating highly functionalized DNA supramolecules. Here we report a novel ligand-type triazole-4-carboxylate (TazC) nucleoside that is readily prepared by the click reaction. TazC nucleosides were found to form a stable TazC-CuII-TazC base pair inside DNA duplexes, resulting in CuII-specific duplex stabilization (ΔTm = +7.7 °C). This study demonstrates that the triazole derivatives are useful in the development of metal-mediated base pairing.
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