3,3,6,6,9,9-Hexamethyl-2,3,4,5,6,7,8,9-octahydro-1H-xanthene-1,8-dione

Abstract

The title compound, C19H26O3, was synthesized directly from the condensation of 5,5-dimethylcyclohexane-1,3-dione with malononitrile catalysed by palladium chloride: there are two molecules in the asymmetric unit.