The development of metal base pairs is of immense importance for the construction of DNA nanostructures. Here we report the synthesis of a biaryl pyrazole–phenol nucleoside that forms in DNA a stable self-pair upon complexation of a Cu(II) ion. A sequence with five consecutive pyrazole nucleotides allows the complexation of five Cu(II) ions in a row.
M. Su, M. Tomás-Gamasa, S. Serdjukow, P. Mayer and T. Carell, Chem. Commun., 2014, 50, 409 DOI: 10.1039/C3CC47561A
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