6-[({(3S,4R)-3-fluoro-1-[2-(7-methoxy-2-oxoquinoxalin-1(2H)-yl)ethyl]piperidin-4-yl}amino)methyl]-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one 在
盐酸 作用下,
以
1,4-二氧六环 、
二氯甲烷 为溶剂,
生成 6-[({(3S,4R)-3-fluoro-1-[2-(7-methoxy-2-oxoquinoxalin-1(2H)-yl)ethyl]piperidin-4-yl}amino)methyl]-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one bis-hydrochloride