2,3-Dihydro-7,8-dihydroxy-3-[(4-methoxyphenyl)methylene]-4H-1-benzopyran-4-one

Abstract

The title compound, also known as intricatinol, C₁₇H₁₄O₅, is a homoisoflavanoid that was isolated for the first time from the twigs and stems of Caesalpinia digyna Rottler. The pyran ring is in an envelope form. O—H...O intramolecular hydrogen bonds are observed. Symmetry-related molecules are linked via O—H...O intermolecular interactions to form infinite one-dimensional chains. These chains are interconnected to form a three-dimensional molecular network.