4-(3-chloropropoxy)-1,2-dimethoxybenzene 、
2-[(piperidin-3-yl)-methyl]-6,7-methylenedioxy-1-oxo-1,2,3,4-tetrahydro-isoquinoline 以60%的产率得到2-[(N-(3-(3,4-Dimethoxy-phenoxy)-propyl)-piperidyl-3)-methyl]-6,7-methylenedioxy-1-oxo-1,2,3,4-tetrahydro-isoquinoline-hydrochloride