Iodoethane → Methyl 3-ethoxy-4-methoxybenzoate

Reaktionsgleichung

[OH:1][C:2]1[CH:3]=[C:4]([CH:9]=[CH:10][C:11]=1[O:12][CH3:13])[C:5]([O:7][CH3:8])=[O:6].C(=O)([O-])[O-].[K+].[K+].[CH2:20](I)[CH3:21]>CN(C)C=O>[CH2:20]([O:1][C:2]1[CH:3]=[C:4]([CH:9]=[CH:10][C:11]=1[O:12][CH3:13])[C:5]([O:7][CH3:8])=[O:6])[CH3:21]

Komponenten

Versuchsvorschrift

To a mixture of methyl 3-hydroxy-4-methoxybenzoate (4.00 g) and potassium carbonate (4.55 g) in dimethylformamide (20 mL) was added ethyl iodide (2.63 mL) under water-cooling and the mixture was stirred for 2 hours at ambient temperature. The mixture was partitioned between water and ethyl acetate. The separated organic layer was washed with water and brine, dried over magnesium sulfate and evaporated in vacuo to give methyl 3-ethoxy-4-methoxybenzoate as pale brown powders (4.55 g).