Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)


organic compounds



hg5298 scheme

Acta Cryst. (2013). E69, o585    [ doi:10.1107/S1600536813007563 ]

7-Iodo-3,3-diphenyloctahydrobenzofuran

M. Sohail, W. Yao-Feng, W. Qi and F.-X. Chen

Abstract: The title compound, C20H21IO, was synthesized by cyclohaloetherification of 2-(cyclohex-2-enyl)-2,2-diphenylethanol in CH2Cl2, and crystallized with two independent molecules in the asymmetric unit. The six-membered cyclohexane ring adopts a chair conformation, while the five-membered ring adopts an envelope conformation with the fused C atom opposite the O atom as the flap in each case [displacements of the flap atoms = 0.6813 (3) and 0.6679 (3) Å]. In the crystal, molecules are linked via pairs of C-H...[pi] interactions, forming inversion dimers.


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