methyl (1R,2R,3S,4S)-3-[[(1S,2S,3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]bicyclo[2.2.1]hept-5-ene-2-carbonyl]amino]bicyclo[2.2.1]hept-5-ene-2-carboxylate 在
lithium hydroxide 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 3.0h,
以90%的产率得到(1R,2R,3S,4S)-3-[[(1S,2S,3R,4R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]bicyclo[2.2.1]hept-5-ene-2-carbonyl]amino]bicyclo[2.2.1]hept-5-ene-2-carboxylic acid