N-溴代丁二酰亚胺(NBS) 、
ethyl 3-(4-fluorobenzoyl)-1-methyl-1,2,3,6-tetrahydro-azepino[4,5-b]indole-5-carboxylate 在
氮气 、 silica gel 、
ethyl acetate n-hexane 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以to yield the title compound (124 mg) as a yellow solid的产率得到8-bromo-3-(4-fluorobenzoyl)-1-methyl-1,2,3,6-tetrahydroazepino[4,5-b]indole-5-carboxylic acid ethyl ester