(3'S,5RS)-5-[N-[3-benzyloxycarbonylamino-6-(isobutyrimidoylamino)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83%的产率得到(3'S,5RS)-5-[N-(3-amino-6-isobutyrimidoylaminohexanoyl)-N-methylamino]-5,6-dihydro-2-ureidopyrimid-4(1H)-one dihydrochloride