反应详情

To a solution of 691 g. of 2,5-dimethylresorcinol in 1 l. of ethanol were added 348 g. of a 37% aqueous solution of formaldehyde and 0.5 ml. of 35% conc. hydrochloric acid as a catalyst. The resulting mixture was heated in the same manner as in the Synthesis example 1 and poured into 5 l. of a cold water to give a pale brown powdery resin.

1. temperatureThe resulting mixture was heated in the same manner as in the Synthesis example 1
2. additionpoured into 5 l