N-苯基-2，4-二氯苯胺合成与表征

以苯胺、氯乙酰氯和2，4-二氯苯酚为原利，吡啶为酰化的酸缚剂，碳酸钾为酚的缩合反应催化剂，氢氧化钠为Smiles重排反应的催化剂，在反应物料配比为n（苯胺）：n（氯乙酰氯）：n（吡啶）：n（碳酸钾）：n（氢氧化钠）=1：1．1：1．2：0．9：1．3，重排反应温度105℃．时间10h，通过酰化、缩合、重排、水解四步“一锅烩”的办法合成了N-苯基-2，4二氯苯胺．收率为60％，产物结构通过IR、NMR和元素分析进行了确认。

Synthesis and Characterization of 2,4-Diehloro-N-Phenyl Benzenamine

2,4- dichloro- N - phenyl benzenamine was synthesized by Smiles rearrangement in one pot in yields 60 % using aniline, 2, 4 - dichloride phenol and chloroacetyl chloride as starting materials in the presence of pyridine as acid - bonding agent, potassium carbonate as condensation catalyst, sodium hydroxide as rearrangement catalyst in the molar ratio of aniline to chloroacetyl chloride to pyridine to potassium carbonate to sodium hydroxide of 1 ： 1 . 1 ： 1 . 2 ： 0.9 ： 1 . 3. The rearrangement reaction temperature and time were at 105 ℃, 10h, respectively. The structure of title compound was confirmed by IR, NMR spectra and elemental analysis.