ethyl 7-benzoyl-4-(4-chlorophenyl)-2-(N,N-diethylaminomethyl)-5,6,7,8-tetrahydrothieno[2,3-b:5,4-c']dipyridine-3-carboxylate 、
盐酸 、
sodium hydroxide 在
乙酸乙酯 、
水 、
magnesium sulfate 、
ethyl acetate n-hexane 作用下,
以
水 为溶剂,
反应 4.0h,
以to yield ethyl 4-(4-chlorophenyl)-2-(N,N-diethylaminomethyl)-5,6,7,8-tetrahydrothieno[2,3-b:5,4-c']dipyridine-3-carboxylate (for structural formula, see below) (1.34 g, 79%) as colorless needle crystals的产率得到ethyl 4-(4-chlorophenyl)-2-(N,N-diethylaminomethyl)-5,6,7,8-tetrahydrothieno[2,3-b:5,4-c']dipyridine-3-carboxylate