ethyl 1-{4-[{4-chloro-2-[(2-chlorophenyl)carbonyl]-phenyl}(methyl)amino]-4-oxobutanoyl}piperidine-4-carboxylate 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
以83%的产率得到ethyl 1-{4-[{4-chloro-2-[(2-chlorophenyl)(hydroxy)-methyl]phenyl}(methyl)amino]-4-oxobutanoyl}piperidine-4-carboxylate