[CH3:1][O:2][C:3](=[O:15])[C:4]1[CH:9]=[C:8]([F:10])[CH:7]=[C:6]([N+:11]([O-:13])=[O:12])[C:5]=1[CH3:14].[Br:16]N1C(=O)CCC1=O.C(OOC(=O)C1C=CC=CC=1)(=O)C1C=CC=CC=1.C1(=O)NC(=O)CC1>C(Cl)(Cl)(Cl)Cl>[CH3:1][O:2][C:3](=[O:15])[C:4]1[CH:9]=[C:8]([F:10])[CH:7]=[C:6]([N+:11]([O-:13])=[O:12])[C:5]=1[CH2:14][Br:16]2.37 g (11.12 mmol) of 5-fluoro-2-methyl-3-nitrobenzoic acid methyl ester is added in 35 ml of carbon tetrachloride and mixed with 2.24 g (12.24 mmol) of N-bromosuccinimide and 5.4 mg of benzoyl peroxide. After four days of refluxing, the succinimide is suctioned off (glass-fiber filter) after cooling, and then the filtrate is spun in until a dry state is reached. Chromatography on a Flashmaster yields 2.47.g (75.9%) of the desired compound.
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