Phenol → Phenyl chloroformate

Participants

Reaction Conditions

Reaction Steps

In a reaction vessel provided with stirrer, thermometer and introduction tube for phosgene, a mixture of 94 g of phenol and 4.4 g of N,N,N',N'-tetramethyl urea were heated at 120° C and phosgene was led through at a speed of 100 g per hour. The introduction of phosgene was interrupted after 5 hours and the reaction mixture was distilled. 144 g (=92% of the theoretical amount) of a 99% chloroformic acid phenyl ester were obtained.

Provenance & Evidence