1,4,6,9-Tetra-tert-butyl-2,7-dioxatricyclo[6.3.0.03,6]deca-3,8-diene

The title compound, C24H40O2, lies on an inversion center with a half-molecule in the asymmetric unit. The central dioxane ring adopts a chair conformation. The four-membered ring is slightly puckered with a butterfly angle of 13.50 (14)°