乙酸酐 、 (3R,4R-trans)-1,3,4,5-tetrahydro-6-(trifluoromethyl)-3-hydroxy-1-<2-(dimethylamino)ethyl>-4-(4-methoxyphenyl)-2H-1-benzazepin-2-one monohydrochloride 反应 2.5h,
以80%的产率得到(3R,4R-trans)-1,3,4,5-tetrahydro-6-(trifluoromethyl)-3-acetoxy-1-<2-(dimethylamino)ethyl>-4-(4-methoxyphenyl)-2H-1-benzazepin-2-one monohydrochloride