4,4,4′,4′,7,7′‐Hexamethyl‐2,2′‐spirobichroman

The title compound, C₂₃H₂₈O₂, was obtained from the reaction of acetone with meta‐cresol. The molecular structure consists of two identical subunits which are nearly perpendicular to each other. The oxygen‐containing rings are not planar and the molecule is chiral. The crystal structure consists of chains of molecules of the same chirality arranged along the 010] axis.