methyl 2-((5S,14S)-5-(2-((tert-butoxycarbonyl)amino)-2-methylpropanamido)-8,8,11,11-tetramethyl-6,9,12-trioxo-16-oxa-1,7,10,13,19,20-hexaazabicyclo[16.2.1]henicosa-18(21),19-diene-14-carboxamido)-2-methylpropanoate 在
水 、 lithium hydroxide 作用下,
以
四氢呋喃 为溶剂,
反应 42.0h,
以100%的产率得到2-((5S,14S)-5-(2-((tert-butoxycarbonyl)amino)-2-methylpropanamido)-8,8,11,11-tetramethyl-6,9,12-trioxo-16-oxa-1,7,10,13,19,20-hexaazabicyclo[16.2.1]henicosa-18(21),19-diene-14-carboxamido)-2-methylpropanoic acid