title: Alpha, beta-unsaturated lactones. I. Condensation of 5-bromo-2(5H)-furanones with adenine and uracil derivatives.
mesh_terms: D000225:Adenine; D001966:Bromine; D005663:Furans; D007783:Lactones / Q000138:chemical synthesis*; D014498:Uracil
chemical_list: D005663:Furans; D007783:Lactones; D014498:Uracil; D000225:Adenine; D001966:Bromine