title: Determination of the stereochemistry of the product of rearrangement of penicillin G with methyl chloroformate by total synthesis.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004980:Ethane / Q000031:analogs & derivatives; D006843:Hydrocarbons, Chlorinated; D010400:Penicillin G; D013237:Stereoisomerism
chemical_list: D006843:Hydrocarbons, Chlorinated; D004980:Ethane; D010400:Penicillin G