3-Benzyloxycarbonylmethyl-6-t-butoxycarbonylmethyl-3,6-diazaoctanedicarboxylic acid-di-t-butyl ester 在
palladium on activated charcoal
氢气 作用下,
以
异丙醇 为溶剂,
反应 12.0h,
以97%的产率得到2-[2-[Bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]ethyl-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]acetic acid