tert-butyl 2-((4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)(methyl)amino)ethylcarbamate 、
盐酸 以
乙醚 为溶剂,
以to afford the desired product (65 mg, 83% as an off-white solid的产率得到9-(4-((2-aminoethyl)(methyl)amino)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride