(R)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate 、
盐酸 以
乙醚 为溶剂,
以to afford the desired product (75 mg, 94%) as an off-white solid的产率得到(R)-9-(4-(1-aminobutan-2-yl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride