9,9-Dimethyl-12-(4-nitrophenyl)-9,10-dihydro-12H-benzo[a]xanthen-11(8H)-one

9,9-Dimethyl-12-(4-nitrophenyl)-9,10-dihydro-12H-benzo[a]xanthen-11(8H)-one

In the molecular structure of the title compound, C25H21NO4, the pyran ring adopts a flattened boat conformation, while the cyclohexenone ring is in an envelope conformation. The 4-nitrophenyl ring is almost perpendicular to the pyran ring [dihedral angle = 89.39&#8197;(1)&#176;]. In...

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Bibliographic Details
Main Authors:	Li-Hong Wang, De-Ling Li
Format:	Article
Language:	English
Published:	International Union of Crystallography 2009-12-01
Series:	Acta Crystallographica Section E
Online Access:	http://scripts.iucr.org/cgi-bin/paper?S1600536809048570

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