PREPARATION OF 33ALKOXYY44HYDROXYYBENZALDEHYDE AND 55ALKOXYY44HYDROXYISOPHTHALALDEHYDE

摘要

PURPOSE:To prepare two title cpds. simultaneously by reaction by 2-alkoxyphenol with glyoxylic acid in an aqueous basic medium at a specific temp. in the presence of ZnO or MgO as a catalyst, followed by oxidation in an aqueous basic medium.