Add to ORKGR factor = 0.041; wR factor = 0.104; data-to-parameter ratio = 19.5. 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). Related literature For the synthesis of the title compound, see: Rauk et al. (1995). For related structures, see: Masters et al. (1994); Bernassau et al. (1987)