[O:1]=[C:2]1[NH:6][C:5]([CH2:17][O:18][CH2:19][CH:20]=[CH2:21])([C:7]2[CH:12]=[CH:11][CH:10]=[C:9]([C:13]([F:16])([F:15])[F:14])[CH:8]=2)[C:4](=[O:22])[N:3]1[C:23]1[CH:30]=[CH:29][C:26]([C:27]#[N:28])=[C:25]([C:31]([F:34])([F:33])[F:32])[CH:24]=1.[C:35](=O)([O-])[O-].[K+].[K+].CI>CN(C=O)C>[O:1]=[C:2]1[N:6]([CH3:35])[C:5]([CH2:17][O:18][CH2:19][CH:20]=[CH2:21])([C:7]2[CH:12]=[CH:11][CH:10]=[C:9]([C:13]([F:15])([F:16])[F:14])[CH:8]=2)[C:4](=[O:22])[N:3]1[C:23]1[CH:30]=[CH:29][C:26]([C:27]#[N:28])=[C:25]([C:31]([F:34])([F:32])[F:33])[CH:24]=1To a solution of 814 mg of 4-[2,5-dioxo-4-[(2-propenyloxy)methyl]-4-(3-trifluoromethylphenyl)imidazolidin-1-yl]-2-trifluoromethylbenzonitrile in DMF (1.5 mL) is added potassium carbonate (279 mg) and methyliodide (420 μL). The mixture is stirred 5 hours at room temperature, evaporated, washed with brine, extracted with ethyl acetate, dried over magnesium sulfate and concentrated to give the desired compound.
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