反应详情

温度

75 °C

A mixture of 11.6 g (0.058 mole) of freshly distilled 1-chloroethyl phenyl carbonate, 4.60 g (0.079 mole) of anhydrous KF (Aldrich), 0.80 g (0.003 mole) of 18-crown-6 ether (Aldrich) is prepared. The mixture is stirred and heated by means of an oil bath at 75° C. at a pressure of about 2.7 kPa. The reaction is allowed to proceed for 90 minutes during which the phenyl fluoroformate which is formed continuously evaporates and is removed by fractional distillation.

1. customis prepared