1'-[2-(4-cyanophenyl)ethyl]-3,4-dihydro-6-methoxyspiro(2H-1-benzopyran-2,4'-piperidine)-4-one hydrochloride 在
sodium borohydrid 作用下,
以
乙醇 为溶剂,
以52%的产率得到(4RS)-1'-[2-(4-Cyanophenyl)ethyl]-3,4-dihydro-6-methoxyspiro(2H-1-benzopyran-2,4'-piperidine)-4-ol hydrochloride