Cl[C:2]1[N:7]=[C:6]([O:8][CH2:9][C:10]2[CH:11]=[CH:12][C:13]([O:18][C:19]3[CH:24]=[CH:23][C:22]([Cl:25])=[C:21]([C:26]([F:29])([F:28])[F:27])[CH:20]=3)=[C:14]([CH:17]=2)[C:15]#[N:16])[CH:5]=[CH:4][N:3]=1.C1N2CCN(CC2)C1.C(=O)([O-])[O-:39].[K+].[K+].O1CCOCC1>O>[Cl:25][C:22]1[CH:23]=[CH:24][C:19]([O:18][C:13]2[CH:12]=[CH:11][C:10]([CH2:9][O:8][C:6]3[NH:7][C:2](=[O:39])[N:3]=[CH:4][CH:5]=3)=[CH:17][C:14]=2[C:15]#[N:16])=[CH:20][C:21]=1[C:26]([F:29])([F:28])[F:27]A mixture of 5-{[(2-chloro-4-pyrimidinyl)oxy]methyl}-2-{[4-chloro-3-(trifluoromethyl)phenyl]oxy}benzo-nitrile (2.30 g, 2.61 mmol), DABCO (0.147 g, 1.31 mmol) and potassium carbonate (1.08 g, 7.84 mmol) in a mixed solvents of 1,4-Dioxane (10 mL) and water (10 mL) was heated at 70° C. for 3 h, then concentrated and diluted with ethyl acetate (100 mL) and water (100 mL). Separated organic part was washed with water and brine, dried over sodium sulfate, concentrated. Purification via mass-directed autopreparation afforded the title product (1.0 g). LC-MS (ESI): m/z 420 [M−H]+; 3.89 min (ret time).
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