[F:1][C:2]([F:14])([F:13])[C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[N:9]=[CH:8][CH:7]=[CH:6]2.[Cl:15][C:16]([Cl:23])([Cl:22])[CH2:17][O:18][C:19](Cl)=[O:20].[CH2:24]([O:26][P:27]([O:31]CC)[O:28][CH2:29][CH3:30])[CH3:25].[I-].[Na+]>C(#N)C>[CH2:24]([O:26][P:27]([CH:8]1[CH:7]=[CH:6][C:5]2[C:10](=[CH:11][CH:12]=[C:3]([C:2]([F:1])([F:13])[F:14])[CH:4]=2)[N:9]1[C:19]([O:18][CH2:17][C:16]([Cl:23])([Cl:22])[Cl:15])=[O:20])(=[O:31])[O:28][CH2:29][CH3:30])[CH3:25]41.4 g of 6-trifluoromethylquinoline is introduced into 250 ml of acetonitrile at 0° C. 29 ml of chloroformic acid-2,2,2-trichloroethyl ester is rapidly instilled and the mixture is stirred for 30 minutes. 36.4 ml of triethylphosphite is instilled and 49.8 g of sodium iodide is added in portions. It is heated for 10 minutes to 50° C., the solution is concentrated by evaporation, mixed with 400 ml of water and extracted four times with 400 ml of ethyl acetate each. The crude product is purified by column chromatography and recrystallized from isopropyl ether.
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