diethyl N-4-<2-(2-acetylamino-3,4-dihydro-4-oxo-7-methyl-5,6,7,8-tetrahydro-pyrido<2,3-d>pyrimidin-6-yl)ethyl>benzoyl-L-glutaminate 在
sodium hydroxide 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以83%的产率得到N-4-<2-(2-amino-3,4-dihydro-4-oxo-7-methyl-5,6,7,8-tetrahydropyrido<2,3-d>pyrimidin-6-yl)ethyl>benzoyl-L-glutamic acid