Br[C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[C:7]([C:12]([F:15])([F:14])[F:13])[C:6]([C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)=[C:5]2[C:22]([F:25])([F:24])[F:23].CNCCNC.CC(O)(C)C.[Na+].[I-:38]>C(Cl)Cl.[Cu]I>[I:38][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[C:7]([C:12]([F:15])([F:14])[F:13])[C:6]([C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)=[C:5]2[C:22]([F:25])([F:24])[F:23]A mixture of 6-bromo-3-phenyl-2,4-bis(trifluoromethyl)quinoline (273 mg, 0.650 mmol, Intermediate 8, step c), CuI (14 mg, 0.074 mmol), N,N′-dimethylethylenediamine (0.0158 mL, 0.147 mmol), t-BuOH (0.65 mL), and NaI (200 mg, 1.33 mmol) was microwaved at 150° C. for 30 min (Biotage). The reaction was diluted with DCM (10 mL), filtered through Celite® and a 0.45 um filter, and concentrated. The residue was flash chromatographed with a heptane to 20% EtOAc/heptane gradient to afford the title compound as a light yellow oil that crystallized upon standing.
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