title: Syntheses of (2R,4'R,8'R)-alpha-tocopherol and (2R,3'E,7'E)-alpha-tocotrienol.
mesh_terms: D008722:Methods; D008968:Molecular Conformation; D013237:Stereoisomerism; D014810:Vitamin E / Q000138:chemical synthesis*
chemical_list: D014810:Vitamin E