反应详情

A mixture of 450 g of phenol, 0.8 g of zinc acetate and 24 g of paraformaldehyde was warmed for 6 hours to 70° C. in a flask equipped with a stirrer and a reflux condenser. 49.6 g of ethylmercaptan were then added to the reaction mixture and the reaction temperature in the flask was raised progressively so that there was always a slight reflux. After about 12 hours, when a final temperature of 120° C. had been reached, the reaction was stopped by cooling and the reaction mixture was worked up by distillation. The phenol could be re-used in a subsequent reaction. The yield of isolated 2-ethylthiomethyl-phenol was 70% of theory, relative to paraformaldehyde, and about 95%, relative to the 2-hydroxymethyl-phenol formed as an intermediate.

1. temperaturewas warmed for 6 hours to 70° C. in a flask
2. customequipped with a stirrer and a reflux condenser
3. temperaturethe reaction temperature in the flask was raised progressively so that there
4. customtemperature of 120° C.
5. temperatureby cooling
6. distillationthe reaction mixture was worked up by distillation
7. customThe phenol could be re-used in a subsequent reaction