2-[2-((S)-3-dimethylamino-pyrrolidin-1-yl)-pyridin-3-yl]-5-ethyl-7-methoxy-4H-benzo[d][1,3]oxazin-4-one 、
三氟乙酸 在
乙醚 作用下,
以
乙醚 为溶剂,
反应 0.5h,
以to give 2-[2-((S)-3-Dimethylamino-pyrrolidin-1-yl)-pyridin-3-yl]-5-ethyl-7-methoxy-4H-benz[d][1,3]oxazin-4-one trifluoroacetate (112 mg) as a pale yellow solid的产率得到2-[2-((S)-3-dimethylamino-pyrrolidin-1-yl)-pyridin-3-yl]-5-ethyl-7-methoxy-4H-benzo[d][1,3]oxazin-4-one trifluroacetate