Acta Cryst. (2003). E59, o721-o722  [ doi:10.1107/S1600536803008857 ]

4',5a'-Diphenyl-10-oxospiro[phenanthrene[9,2']oxeto[5,4-b]oxazole]

L. Wang, A. Usman, H.-K. Fun, Y. Zhang and J.-H. Xu

Abstract: In the title compound, C₂₉H₁₉NO₃, the phenanthrene is out of planarity with its dihydrobenzene ring being distorted towards a half-chair conformation. The relative configuration of the planar oxetane and oxazole rings is conditioned by the Csp³ state of the shared atoms.

Online 30 April 2003

Copyright © International Union of Crystallography
IUCr Webmaster