(6R)-6-{[4-[(2,3-dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]-4-(hydroxymethyl)-1-piperidinyl]methyl}-3-fluoro-5,6-dihydro-8H-[1,4]oxazino[2,3,4-de]-1,5-naphthyridin-8-one 在
盐酸 作用下,
以
1,4-二氧六环 、
甲醇 为溶剂,
生成 (6R)-6-{[4-[(2,3-dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]-4-(hydroxymethyl)-1-piperidinyl]methyl}-3-fluoro-5,6-dihydro-8H-[1,4]oxazino[2,3,4-de]-1,5-naphthyridin-8-one dihydrochloride