Tetra-tert-butyl 13,14-dioxapenta­cyclo­[8.2.1.14,7.02,9.03,8]tetra­deca-5,11-diene-5,6,11,12-tetra­carboxyl­ate

Lough, A.J.; Jack, K.; Tam, W.

doi:10.1107/S1600536812039220

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Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 10 (October 2012)

organic compounds

hb6953 scheme

Acta Cryst. (2012). E68, o2962 [ doi:10.1107/S1600536812039220 ]

Tetra-tert-butyl 13,14-dioxapentacyclo[8.2.1.1^4,7.0^2,9.0^3,8]tetradeca-5,11-diene-5,6,11,12-tetracarboxylate

A. J. Lough, K. Jack and W. Tam

Abstract: The stereochemistry of the title compound, C₃₂H₄₄O₁₀, at the cyclobutane ring is cis-anti-cis. The molecule lies across an inversion center. In the crystal, weak C-HO hydrogen bonds connect molecules into chains along [100], forming R₂²(6) rings.