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Schematic representation of the synthesis of the nucleobase-decorated peptides.
Abbreviations: Boc, tert-butoxycarbonyl; Fmoc, 9-fluorenylmethoxycarbonyl; TFA, trifluoroacetic acid; DCM, dichloromethane; HATU, O-(7-aza-1H-benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate; DIEA, N,N-diisopropylethylamine; DMF, N,N-dimethylformamide; PyBOP, benzotriazol-1-yl-oxytripyrrolid-inophosphonium hexafluorophosphate; Ac2O, acetic anhydride; TIS, triisopropylsilane.
