tert-butyl 2-{N-(tert-butyloxycarbonylmethyl)-N-[2-{di(tert-butyloxycarbonylmethyl)amino}ethyl]amino}-4-nitrobutanoate 在
palladium on activated charcoal ammonium formate 作用下,
以
甲醇 为溶剂,
以80%的产率得到tert-butyl 4-amino-2-{N-(tert-butyloxycarbonylmethyl)-N-[2-{di(tert-butyloxycarbonylmethyl)amino}ethyl]amino}butanoate