[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[CH2:9][C:10](Cl)=[O:11].[NH2:13][C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1.C(N(CC)CC)C.O>CCOCC>[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[CH2:9][C:10]([NH:13][C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1)=[O:11]2,4-Dichlorophenylacetyl chloride (0.075 mol) was added dropwise over 1 h to a stirred solution of aniline (6.8 g) and triethylamine (7.6 g) in dry ether (200 ml) at 0°-5° C. The reaction mixture was allowed to warm up to room temperature overnight. It was then poured into iced water. An oily layer separated out and gradually solidified. This was recrystallised from diisopropyl ether to give 2-(2,4-dichlorophenyl)acetanilide, m.p. 145.6°-146.5° C.
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