[CH3:1][NH:2][C:3](=[O:13])[O:4][C:5]1[CH:10]=[CH:9][C:8]([NH2:11])=[C:7]([CH3:12])[CH:6]=1.C(N(CC)CC)C.C1C=CC=CC=1.[Cl:27][C:28]([Cl:33])([Cl:32])[C:29](Cl)=[O:30]>O>[CH3:1][NH:2][C:3](=[O:13])[O:4][C:5]1[CH:10]=[CH:9][C:8]([NH:11][C:29](=[O:30])[C:28]([Cl:33])([Cl:32])[Cl:27])=[C:7]([CH3:12])[CH:6]=1To a slurry of 3-methyl-4-aminophenyl N-methylcarbamate (1.8g., 0.01 mole), triethylamine (1.11g., 0.011 mole), and 25 ml. of benzene was added trichloroacetyl chloride (2.0g., 0.011 mole) dropwise. After refluxing for one hour, the reaction mixture was poured into water and the resulting solid product was filtered (3.05g., m.p. 185°-87° C.).
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