title: [Studies on the syntheses of heterocyclic compounds. CDLXXVI. Syntheses of camptothecin and related compounds. IV. A synthesis of 8-cyano-7-ethoxycarbonyl-9,11-dihydro-9,11-dihydro-9,11-dioxoindolizino(1,2-b)quinoline].
mesh_terms: D002166:Camptothecin / Q000138:chemical synthesis*; D007212:Indolizines / Q000138:chemical synthesis; D011804:Quinolines / Q000138:chemical synthesis; D013057:Spectrum Analysis
chemical_list: D007212:Indolizines; D011804:Quinolines; D002166:Camptothecin