5'-fluoro-2'-methoxy-3'-nitro-biphenyl-3-carboxylic acid 在
silica gel 、
3'-nitro-5'-fluoro-2'-hydroxy-biphenyl-3-carboxylic acid 作用下,
以
氢溴酸 为溶剂,
反应 16.0h,
以to obtain the title compound 3′-nitro-5′-fluoro-2′-hydroxy-biphenyl-3-carboxylic acid 2e (2.38 g, yield 85.7%) as a yellow solid, which的产率得到3'-nitro-5'-fluoro-2'-hydroxy-biphenyl-3-carboxylic acid