Scheme 2.
Synthesis of pyrene click adducts 17 and 18 from α‐d and β‐d 2′‐deoxyuridines 2 and 13. i) Pyrene methyl azide, CuSO4 ⋅ 5 H2O, sodium ascorbate, and tBuOH/THF/H2O (3 : 1 : 1).
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