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. 2009 Sep 26;65(Pt 10):o2522-3.
doi: 10.1107/S1600536809037830.

4-(9-Anthr-yl)-1-(3-bromo-phen-yl)spiro-[azetidine-3,9'-xanthen]-2-one

4-(9-Anthr-yl)-1-(3-bromo-phen-yl)spiro-[azetidine-3,9'-xanthen]-2-one

Ismail Celik et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title mol-ecule, C(35)H(22)BrNO(2), the four-membered ring of the β-lactam unit is nearly planar [maximum deviation = 0.003 (3) Å] and makes dihedral angles of 87.07 (15), 59.80 (16) and 20.81 (19)°, respectively, with the xanthene system, the anthracene system and the bromo-substituted benzene ring. The mol-ecular conformation is stabilized by weak intra-molecular C-H⋯O and C-H⋯N hydrogen bonds. The crystal structure features weak C-H⋯π inter-actions.

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Figures

Fig. 1.
Fig. 1.
The title molecular structure, with the atom-numbering scheme and 30% probability displacement ellipsoids
Fig. 2.
Fig. 2.
A view down the a axis of the packing of (I).

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