N-Demethylation of dextromethorphan.
In addition to providing an efficient synthesis of 3-methoxymorphinan hydrochloride, the use of 2,2,2-trichloroethyl chloroformate in the N-demethylation of dextromethorphan led to the isolation of two novel zinc salts of 3-methoxymorphinan.
D003640:Dealkylation; D003915:Dextromethorphan / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D007981:Levorphanol / Q000031:analogs & derivatives*
D007981:Levorphanol; C028657:3-methoxymorphinan; D003915:Dextromethorphan