title: A total synthesis of comptothecin and deethyldeoxycamptothecin.
mesh_terms: D000215:Acylation; D000478:Alkylation; D002166:Camptothecin / Q000138:chemical synthesis*; D003500:Cyclization; D006868:Hydrolysis; D008722:Methods; D008961:Models, Structural
chemical_list: D002166:Camptothecin