33,5,9,12-Tetra-tert-butyl-10,14-dicyclohexyl-2,8- dioxatetracyclo[5.4.0.2^1,9^.1^3,7^]tetradeca-4,12-diene-6,11-dione

C₄₀H₆₂O₄

Meindl, KathrinMaslovskaya, Lidiya A.Noltemeyer, MathiasSavchenko, Andrei I.

Acta Crystallographica Section E (2005) 61, 6 o1950-o1952

a=10.006(2)Å   b=10.801(2)Å   c=17.705(4)Å

α=89.63(3)°   β=83.97(3)°   γ=69.75(3)°