benzyl (3-((4-((4-(2-((2-(5-(benzyloxy)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-8-yl)-2-hydroxyethyl)amino)-2-methylpropyl)phenyl)amino)-4-oxobutyl)amino)-3-oxopropyl)carbamate 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 为溶剂,
20.0 ℃
、344.75 kPa
条件下,
以65%的产率得到4-(3-aminopropanamido)-N-(4-(2-(2-hydroxy-2-(5-hydroxy-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-8-yl)ethylamino)-2-methylpropyl)phenyl)butanamide