Dimethylformamide → 2-(Propan-2-yloxy)benzaldehyde
Reaktionsgleichung
[OH:1][C:2]1[CH:9]=[CH:8][CH:7]=[CH:6][C:3]=1[CH:4]=[O:5].I[CH:11]([CH3:13])[CH3:12].C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>>[CH3:12][CH:11]([O:1][C:2]1[CH:9]=[CH:8][CH:7]=[CH:6][C:3]=1[CH:4]=[O:5])[CH3:13]Komponenten
5
Versuchsvorschrift
Into a 1000-mL 3-necked round-bottom flask was placed 2-hydroxybenzaldehyde (36 g, 294.79 mmol, 1.00 equiv), 2-iodopropane (100 g, 588.26 mmol, 2.00 equiv), potassium carbonate (122 g, 882.71 mmol, 2.99 equiv) and N,N-dimethylformamide (500 g, 6.84 mol, 23.21 equiv). The resulting solution was stirred overnight at room temperature. The reaction was then quenched by the addition of 1000 mL of water. The resulting solution was extracted with 3×500 mL of ethyl acetate and the organic layers combined, dried over anhydrous sodium sulfate and concentrated under vacuum to afford 50 g (crude) of 2-(propan-2-yloxy)benzaldehyde as a yellow oil.