title: Bacterial carotenoids. LII. C50-Carotenoids. 18. Synthesis of the model compounds (2R,6S,2'R,6'S)-2,2'-dimethyl-gamma, gamma-carotene and (2R,2'R,6'S)-2,2'-dimethyl-beta,gamma-carotene.
mesh_terms: D002338:Carotenoids / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D055598:Chemical Phenomena; D002621:Chemistry; D008956:Models, Chemical
chemical_list: D002338:Carotenoids