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Beilstein J. Org. Chem. 2021, 17, 410–419, doi:10.3762/bjoc.17.37
Graphical Abstract
Scheme 1: Synthetic pathways for the synthesis of 6-substituted 2-triazolylpurine derivatives IV.
Scheme 2: Synthesis of 2,6-bistriazolylpurine derivatives 2a–c.
Scheme 3: Synthesis of 6-alkyloxy-2-triazolylpurine derivatives 3a–f.
Scheme 4: Synthesis of 6-alkyloxy-2-triazolylpurine nucleosides 3g–j.
Scheme 5: 2,6-Bistriazolylpurine derivatives in SNAr reactions with H2O/HO− as nucleophiles.
Scheme 6: Synthesis of C6-substituted 2-triazolylpurine derivatives 5.
Figure 1: Possible tautomeric structures of compounds 5a–d.