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在水介质中进行苯二胺类的氯代乙酰化，得到产率很高的 Ｎ－氯代乙酰基苯二胺。若反 应在醋酸介质中进行，则得Ｎ，Ｎ’二酰化产物。Ｎ－氯代乙酰基苯二胺用作染料中间体。
Chloroacetylation of phenylenediamines in aqueous media gives N-chloroacetylphenylenediamines with high yields. If the reaction is carried out in an acetic acid medium, N, N’-diacylated product is obtained. N-Chloroacetyl phenylenediamine is used as a dye intermediate.