[Cl:1][C:2]1[CH:7]=[C:6]([N+:8]([O-:10])=[O:9])[C:5]([F:11])=[CH:4][C:3]=1[OH:12].[C:13](=O)([O-])[O-].[K+].[K+].IC.CN(C)C=O>C(OCC)C>[Cl:1][C:2]1[CH:7]=[C:6]([N+:8]([O-:10])=[O:9])[C:5]([F:11])=[CH:4][C:3]=1[O:12][CH3:13]A mixture of 2-chloro-4-nitro-5-fluorophenol (D41) (450 mg), potassium carbonate (600 mg), iodomethane (1 ml), and dimethylformamide (5 ml) stirred overnight at room temperature then diethyl ether added and the solution washed with water then dried over MgSO4, filtered and evaporated The product was crystallised from hexane to yield the title compound, 350 mg.
Wird geladen…