6-{4-[(2-(4-acetylamino-benzoylamino)-phenylcarbamoyl)oxymethyl]-2-nitro-phenoxy}-tetrahydro-2H-pyran-2-carboxylic acid methyl ester 在
sodium hydroxide 作用下,
以
丙酮 为溶剂,
反应 0.25h,
以51 mg的产率得到6-{4-[(2-(4-acetylamino-benzoylamino)-phenylcarbamoyl)oxymethyl]-2-nitro-phenoxy}-tetrahydro-2H-pyran-2-carboxylic acid