The present invention is directed to a process for preparing a 2,6-dichloro-4-bromoanilide which is characterized by reacting a 4-bromoanilide with from 1.8 to 2.5 equivalents of chlorine in a solvent consisting of from 3:1 to 100:1 parts of an alkanoic acid per part of water in the presence of from 0.5 to 2.0 equivalents of alkali metal bicarbonate at a temperature between 40°C and the freezing point of the mixture.
本发明涉及一种制备 2,6-二
氯-
4-溴苯胺的工艺,其特征是在由每份
水含 3:1 至 100:1 份烷酸组成的溶剂中,在 0.5 至 2.0 份碱
金属
碳酸氢盐的存在下,在 40℃至混合物凝固点的温度下,使
4-溴苯胺与 1.8 至 2.5 份
氯发生反应。