1-[7,8-Methylenedioxy-1,3-dihydro-2H-3-benzazepin 2-on-3-yl]-3-[N-methyl-N-(2-{3,4-dimethoxy-phenyl}-ethyl)-amino]-propane 以77.3%的产率得到1-[7,8-methylenedioxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-on-3-yl]-3-[N-methyl-N-(2-{3,4-dimethoxy-phenyl}-ethyl)-amino]-propane hydrochloride