diethyl N-<4-<<<2-amino-3,4,5,6,7,8-hexahydro-4-oxo-5-<(3',5'-diacetyl-2'-deoxyuridin-5-yl)methyl>pyrido<3,2-d>pyrimidin-6-yl>methyl>amino>benzoyl>-L-glutamate 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
以55%的产率得到N-<4-<<<2-amino-3,4,5,6,7,8-hexahydro-4-oxo-5-<(2'-deoxyuridin-5-yl)methyl>pyrido<3,2-d>pyrimidin-6-yl>methyl>amino>benzoyl>-L-glutamic acid