title: Sigmatropic hydrogen migration and electrocyclization processes in compounds in the vitamin A series. Photochemistry of polyenes. 10.
mesh_terms: D003500:Cyclization; D004563:Electrochemistry; D006859:Hydrogen; D007536:Isomerism; D010777:Photochemistry; D011090:Polyenes; D014801:Vitamin A / Q000031:analogs & derivatives*
chemical_list: D011090:Polyenes; D014801:Vitamin A; D006859:Hydrogen