反应详情

The preparation was carried out according to the process of Example 2a except that 3-ethoxy-4-hydroxybenzonitrile was used as the starting material instead of 3-methoxy-4-hydroxybenzonitrile. 3,4-Dihydroxybenzonitrile was obtained as a white solid with a yield of 79% and a purity of greater than 98% as indicated by HPLC analysis.