芳氧乙酸类化合物的选择性溴化作用

A Selective Bromination of Aryoxy Acetric Acids

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．

Aryoxy acetic acids are brominated by N bromo succinimide(NBS) in N,N dimethylformamide(DMF) for 24 h at room temperature (1 e and 1 f in 50℃) in moderate yields.