Studies on the Synthesis of Highly Substituted Naphthol: Preparation of 6-Hydroxy-5,7-dimethoxy-2-naphthoic Acid, Isolated from Ulmus Thomasii

An improvement to a known procedure, affording substituted 4-hydroxy-2-naphthoic acid derivatives from aromatic aldehydes. is described and its general applicability shown through the preparation of a natural naphthalene derivative isolated from Ulmus thomasii.