1-bromo-4-hydroxy-6-phenylsulfanyl-isoquinoline-3-carboxylic acid butyl ester 、 、
氢碘酸 在
crude product 、 silica gel 、 hexanes ethyl acetate 作用下,
以150 mg of the title compound were obtained的产率得到4-hydroxy-6-phenylsulfanyl-isoquinoline-3-carboxylic acid butyl ester