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在N,N-二甲基甲酰胺(DMF)中,室温(1e,1f在50℃)下,用N-溴代丁二酰亚胺(NBS),经24h,溴化芳氧乙酸,得率中等.
In N, N-dimethylformamide (DMF) at room temperature (1e, 1f at 50 ° C) with N-bromosuccinimide (NBS) Medium rate.