10-fluoro-1-[((3R,4S)-3-hydroxy-4-{[(3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazin-6-yl)methyl]amino}-1-piperidinyl)methyl]-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one 在
盐酸 作用下,
以
甲醇 、
乙醚 为溶剂,
生成 10-fluoro-1-[((3R,4S)-3-hydroxy-4-{[(3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazin-6-yl)methyl]amino}-1-piperidinyl)methyl]-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one dihydrochloride