diethyl 4-<(10(9H)-oxo-8-pivaloylamino)-3,4,5,6-tetrahydro-(6H)-isoxazolino<3,4-d>pyrimido<4,5-b>azepin-3-yl>benzoyl-L-glutamate 在
sodium hydroxide 作用下,
反应 336.0h,
以46%的产率得到4-<(8-amino-10(9H)-oxo)-3,4,5,6-tetrahydro-(6H)-isoxazolino<3,4-d>pyrimido<4,5-b>azepin-3-yl>benzoyl-L-glutamic acid