Acta Crystallographica Section E

Volume 67, Part 7 (July 2011)


organic compounds



fj2429 scheme

Acta Cryst. (2011). E67, o1790    [ doi:10.1107/S1600536811024202 ]

2,4,5-Triphenyl-1,3,2-dioxaphospholan-2-one

D. B. Cordes, G. Hua, A. M. Z. Slawin and J. D. Woollins

Abstract: The dioxaphospholane ring in the title compound, C20H17O3P, adopts an envelope conformation about one of the ring carbons. The benzene rings of the compound do not form face-to-face [pi]-[pi] interactions, instead weak C-H...[pi] interactions occur between adjacent molecules. The methine H atoms on the dioxaphospholane ring form weak C-H...O hydrogen bonds to the oxide group of an adjacent molecule.


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