1-(3,4-Dimethoxy-phenyl)-2-[4-(2,2-dioxo-3,4-dihydro-2H-2λ6-benzo[1,2,6]thiadiazin-1-yl)-piperidin-1-yl]-propan-1-one; hydrochloride 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 5.5h,
以57.8%的产率得到erythro-1-<2-(3,4-dimethoxyphenyl)-2-hydroxy-1-methylethyl>-4-(3,4-dihydro-2,2-dioxo-1H-2,1,3-benzothiadiazin-1-yl)piperidine