tert-butyl 4-(8-cyano-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate 、
盐酸 以to afford the desired product (7.4 mg, 74%) as a dark brown solid的产率得到9-[4-(aminomethyl)phenyl]-4-oxo-4,5-dihydrothieno[2,3-c]quinoline-8-carbonitrile hydrochloride