[Br:1][C:2]1[CH:7]=[CH:6][C:5]([OH:8])=[CH:4][CH:3]=1.C([O-])([O-])=O.[K+].[K+].Br[CH2:16][C:17]#[N:18]>C(#N)C.O>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([O:8][CH2:16][C:17]#[N:18])=[CH:4][CH:3]=1Mix 4-bromophenol (1.4 mmol) in acetonitrile (5 ml) and water (2 ml), add K2CO3 (3 mmol) and bromoacetonitrile (1.5 mmol) at room temperature under inert atmosphere. Heat the mixture to 80° C. for 16 h. Analyze by LC/MS for final product. Evaporate the solvent and add water. Extract product with DCM (3×) and combine and evaporate organic phases to afford the title compound.
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