反应详情

A mixture of ethyl 4-hydroxyphenethyl sulfonate (0.42 g) in 12% aqueous hydrochloric acid (8 ml) is stirred at room temperature for about 18 hours and then heated at 100° C. for 5 hours, the concentrated in vacuo to give 4-hydroxyphenyethyl sulfonic acid.

1. temperatureheated at 100° C. for 5 hours
2. concentrationthe concentrated in vacuo