methyl 4-(4-{[(tert-butoxy)carbonyl]({[(tert-butoxy)carbonyl]oxy})amino}-4-[1-(methoxyimino)ethyl]-1-methyl-5-oxo-4,5-dihydro-1H-pyrazol-3-yl)benzoate 在
水 、 lithium hydroxide 作用下,
以
四氢呋喃 为溶剂,
以87%的产率得到4-(4-{[(tert-butoxy)carbonyl]({[(tert-butoxy)carbonyl]oxy})amino}-4-[1-(methoxyimino)ethyl]-1-methyl-5-oxo-4,5-dihydro-1H-pyrazol-3-yl)benzoic acid