[F:1][C:2]([F:19])([F:18])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[NH:9][C:10](=O)[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1.P(Cl)(Cl)(Cl)(Cl)[Cl:21]>C1(C)C=CC=CC=1>[F:1][C:2]([F:19])([F:18])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[N:9]=[C:10]([Cl:21])[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1Using the procedure of Step B of Example 6, 26.52 g of the product of Step A and 22.9 g of phosphorus pentachloride were reacted in 160 ml of dry toluene to obtain 28.8 g of N-(2-trifluoromethylphenyl)-benzenecarboximidoyl chloride as an oil which was used as is for the next step.
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