(5S)-1-((2R)-2-(cyclopentylmethyl)-4-oxo-4-{[(phenylmethyl)oxy]amino}butanoyl)-N-(6-ethyl-2-pyridinyl)-4,5-dihydro-1H-pyrazole-5-carboxamide 在
氢氧化钯 氢气 、
乙腈 、
水 作用下,
以
甲醇 为溶剂,
反应 8.17h,
以to afford (5S)-1-[(2R)-2-(cyclopentylmethyl)-4-(hydroxyamino)-4-oxobutanoyl]-N-(6-ethyl-2-pyridinyl)-4,5-dihydro-1H-pyrazole-5-carboxamide (62 mg, 0.14 mmol, 45% yield) as a white solid的产率得到(5S)-1-[(2R)-2-(cyclopentylmethyl)-4-(hydroxyamino)-4-oxobutanoyl]-N-(6-ethyl-2-pyridinyl)-4,5-dihydro-1H-pyrazole-5-carboxamide