title: Syntheses of linear tetracyclic antibiotics--tetracyclines and anthracyclines.
mesh_terms: D000880:Anthraquinones / Q000138:chemical synthesis; D000903:Antibiotics, Antineoplastic; D002621:Chemistry; D003500:Cyclization; D049673:History, 20th Century; D006873:Hydroquinones / Q000138:chemical synthesis; D008722:Methods; D009279:Naphthacenes / Q000138:chemical synthesis; D009285:Naphthoquinones; D010118:Oxytetracycline / Q000138:chemical synthesis / Q000266:history; D013754:Tetracyclines / Q000138:chemical synthesis*; D013764:Tetrahydronaphthalenes / Q000031:analogs & derivatives / Q000138:chemical synthesis
chemical_list: D000880:Anthraquinones; D000903:Antibiotics, Antineoplastic; D006873:Hydroquinones; D009279:Naphthacenes; D009285:Naphthoquinones; D013754:Tetracyclines; D013764:Tetrahydronaphthalenes; C005503:naphthazarin; D010118:Oxytetracycline