ethyl 3-(2-(1-(1-(2,3-dihydro-1H-inden-5-yl)-5-fluoro-2-oxoindolin-3-ylidene)ethyl)hydrazine-1-carbonyl)benzoate 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
以90%的产率得到3-[[1-[1-(2,3-dihydro-1H-inden-5-yl)-5-fluoro-2-oxoindol-3-ylidene]ethylamino]carbamoyl]benzoic acid