title: 2,4-dinitrophenyl as N-blocking group in pyrimidine nucleoside synthesis with 2-amino sugars.
mesh_terms: D000606:Amino Sugars; D000814:Aniline Compounds; D004140:Dinitrophenols; D009705:Nucleosides / Q000138:chemical synthesis*; D013941:Thymine
chemical_list: D000606:Amino Sugars; D000814:Aniline Compounds; D004140:Dinitrophenols; D009705:Nucleosides; D013941:Thymine