I[CH2:2][C:3]1[S:4][CH:5]=[C:6]([C:8]2[CH:13]=[CH:12][CH:11]=[C:10]([C:14]([F:17])([F:16])[F:15])[CH:9]=2)[N:7]=1.[F:18][C:19]1[CH:20]=[C:21](B(O)O)[CH:22]=[CH:23][C:24]=1[C:25]([O:27][CH3:28])=[O:26].C(=O)([O-])[O-].[Cs+].[Cs+]>O1CCCC1.O>[F:18][C:19]1[CH:20]=[C:21]([CH2:2][C:3]2[S:4][CH:5]=[C:6]([C:8]3[CH:13]=[CH:12][CH:11]=[C:10]([C:14]([F:17])([F:16])[F:15])[CH:9]=3)[N:7]=2)[CH:22]=[CH:23][C:24]=1[C:25]([O:27][CH3:28])=[O:26]Under a nitrogen atmosphere, to a mixed solvent of the compound (270 mg, 0.72 mmol) obtained in Example 190c, 3-fluoro-4-methoxycarbonylphenylboronic acid (170 mg, 0.86 mmol) and cesium carbonate (1.2 g, 3.6 mmol) in tetrahydrofuran-water (v/v=5/1, 6 mL) was added [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) dichloromethane complex (120 mg, 0.14 mmol), and the mixture was stirred at 90° C. overnight. The resulting salt was filtered and removed, and the solvent was evaporated under reduced pressure. The obtained crude product was purified by column chromatography (hexane-hexane/ethyl acetate=75/25) to give the title compound as colorless crystals.
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