tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-3-methylbutyl(methyl)carbamate 、
盐酸 以
乙醚 为溶剂,
以to afford the desired product (55 mg, 70%) as an off-white solid的产率得到9-(3-fluoro-4-(3-methyl-1-(methylamino)butan-2-yl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride