title: The photochemistry of ketones derived from carbohydrates. IV. Photochemical additions of 2,3-dimethylbut-2-ene to 1,5-anhydrohexenuloses.
mesh_terms: D003500:Cyclization; D003503:Cyclobutanes; D006601:Hexoses; D007659:Ketones / Q000138:chemical synthesis*; D008745:Methylation; D008956:Models, Chemical; D010777:Photochemistry; D013237:Stereoisomerism; D014466:Ultraviolet Rays
chemical_list: D003503:Cyclobutanes; D006601:Hexoses; D007659:Ketones