反应详情

When 2 mmol of 4,4-difluorocyclohexadienone and 4 mmol of potassium cyanide in 0.5 ml of dimethylformamide were mixed for 10 minutes at room temperature, 3-cyano-4-fluorophenol was formed in 90% yield. The spectral data of this new compound are as follows: Mass spectrum: m/e 137 (M+); 109 (M-CO, H); 82; 57.