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Acta Cryst. (2005). E61, o2709-o2711  [ doi:10.1107/S1600536805023421 ]

2,3a-trans-1,3a-cis-1,2-Bis(4-chlorophenyl)-1',2',3'-trihydro-3a-hydroxybenzo[e]bicyclo[3.3]octane-3-spiro-2'-indene-1'-one acetone solvate

Z.-Y. Li, D.-Q. Shi, C.-L. Shi and G.-L. Dou

Abstract: The title compound, C32H24Cl2O2·C3H6O, was synthesized by the dimerization of 2-(4-chlorobenzal)inden-1-one, induced by a low-valent titanium reagent (TiCl4/Zn). X-ray analysis reveals that the cyclopentane ring spiro-fused to the five-membered ring adopts an envelope conformation, while the other cyclopentane ring adopts an envelope conformation.

Online 27 July 2005


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