title: Vitamin a synthesis by sulfone alkyaltion-elimination. C15 halide, C5 hydroxy sulfone approach.
mesh_terms: D000478:Alkylation; D006846:Hydrocarbons, Halogenated; D006900:Hydroxylation; D008722:Methods; D013450:Sulfones; D014801:Vitamin A / Q000138:chemical synthesis*
chemical_list: D006846:Hydrocarbons, Halogenated; D013450:Sulfones; D014801:Vitamin A