(3'S,5RS)-5-[N-[3-benzyloxycarbonylamino-6-[2,3-di(benzyloxycarbonyl)-2(3)-ethylguanidin-1-yl]hexanoyl]-N-methylamino]-5,6-dihydro-2-ureidopyrimid-4(1H)-one 在
氢气 、 palladium dichloride 作用下,
以
甲醇 为溶剂,
以99%的产率得到(3'S,5RS)-5-[N-[3-amino-6-[2(3)-ethylguanidin-1-yl]hexanoyl]-N-methylamino]-5,6-dihydro-2-ureidopyrimid-4(1H)-one dihydrochloride