Crystal structure of (±)-(1SR,5SR,6SR,7SR,10SR,11SR,13SR)-13-benzyloxy-7-methoxymethoxy-11,15,18,18-tetramethyl-3-oxo-2,4-dioxatetracyclo[12.3.1.01,5.06,11]octadeca-14,16-dien-10-yl benzoate
2015
In the title compound, C36H42O8, the dioxolane ring adopts a twist conformation; the two adjacent C atoms deviate alternately from the mean plane of other atoms by −0.287 (5) and 0.174 (5) A. The cyclohexane, cyclohexadiene and central cyclooctane rings show chair, half-chair and boat–chair forms, respectively. As a result of the strained ring system, the tetrasubsituted olefin in the cyclohexadiene is skewed from an ideal planar structure. In the crystal, C—H⋯O hydrogen bonds connect the molecules into a sheet parallel to (100). The sheets are further linked by other weak C—H⋯O and C—H⋯π interactions, forming a three-dimensional network.
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