title: Ring contractions of 5-diazouracils. I. Conversions of 5-diazouracils into 1,2,3-triazoles by hydrolysis and methanolysis.
mesh_terms: D003500:Cyclization; D006868:Hydrolysis; D009682:Magnetic Resonance Spectroscopy; D000432:Methanol; D008722:Methods; D014230:Triazoles / Q000138:chemical synthesis*; D014498:Uracil / Q000031:analogs & derivatives*
chemical_list: D014230:Triazoles; D014498:Uracil; D000432:Methanol