title: Photochemical cycloadditions of triplet 1,3-dimethyluracil to olefins. Structural studies on the adducts.
mesh_terms: D000475:Alkenes; D003500:Cyclization; D007700:Kinetics; D009682:Magnetic Resonance Spectroscopy; D008961:Models, Structural; D008968:Molecular Conformation; D010777:Photochemistry; D011830:Radiation Effects; D014466:Ultraviolet Rays; D014498:Uracil / Q000528:radiation effects*; D014961:X-Ray Diffraction
chemical_list: D000475:Alkenes; D014498:Uracil