Nβ,Nω,Nω'-tris(benzyloxycarbonyl)-Nε,Nω-dimethyl-(S)-β-homoarginine 在
氢气 、
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 、 palladium dichloride 作用下,
以
甲醇 、
N,N-二甲基甲酰胺 为溶剂,
生成 (3'S,5RS)-5-[N-[3-amino-6-[1,2-dimethylguanidin-1-yl]hexanoyl]-N-methylamino]-5,6-dihydro-2-ureidopyrimid-4(1H)-one dihydrochloride