摘要 |
A pharmaceutical intermediate, N-[4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)- naphthalenylidene]methanamine, which can be used in the production of sertraline hydrochloride, is conveniently prepared by reacting 4-(3,4- dichlorophenyl)-3,4-dihydro-1-(2H)-naphthalenone with monomethylamine in a solvent which is an amide solvent with a structure of general formula (IV), wherein R1, R3 are indepen dently hydrogen or C1-6 alkyl, which can be substituted, and R2 is hydrogen.
|