Verfahren zur Abtrennung von ª‡-Naphthol aus Gemischen mit Tetralon und bzw. oder Tetralol

摘要

a -Naphthol is separated from mixtures with tetralone and tetralol by rectification in presence of a substance forming tetralone and tetralol azeotropes readily separable from the a -naphthol. The said substance may be e.g. an alcohol, a sultam or an amine, but is preferably diethylene glycol.