[OH:1][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[CH:5]=[C:4]([CH3:12])[C:3]=1[C:13]#[N:14].[C:15](=O)([O-])[O-].[K+].[K+].IC>CN(C=O)C>[CH3:15][O:1][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[CH:5]=[C:4]([CH3:12])[C:3]=1[C:13]#[N:14]The suspension of 1-hydroxy-3-methyl-2-naphthonitrile (47.23 g), potassium carbonate (71.3 g), iodomethane (100 ml), and DMF (250 ml) was-stirred overnight at ambient temperature. The reaction mixture was poured into ice-water and extracted with ethyl acetate. The organic layer was washed with water, dried, and concentrated. The residue was recrystallized from water/methanol to give the titled compound (50 mg).
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