(R)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate 、
N-氯代丁二酰亚胺 以
N,N-二甲基甲酰胺 为溶剂,
以to afford the desired product (0.28 g, 35%) as a brown solid的产率得到(R)-tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate