[F:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][CH:10]=1)[C:5](Cl)=[O:6].[CH3:11][NH:12][O:13][CH3:14].Cl.N1C=CC=CC=1>C(Cl)(Cl)Cl>[F:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][CH:10]=1)[C:5]([N:12]([O:13][CH3:14])[CH3:11])=[O:6]To a mixture of 3-fluorobenzoyl chloride (11.0 g, 6.70 mmol) and N,O-dimethylhydroxylamine.HCl in CHCl3 (70 mL) at 0° C. was added pyridine (14 mL) over 30 min. After a period of 3 h at room temperature, the reaction mixture was treated in the usual manner to give 12.5 g of the title compound.
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