Research Article: 3-Benzoyl-1,5-dimethyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione

Date Published: April 01, 2011

Publisher: International Union of Crystallography

Author(s): Rachida Dardouri, Youssef Kandri Rodi, Sonia Ladeira, El Mokhtar Essassi, Seik Weng Ng.


The seven-membered ring of the title compound, C18H16N2O3, adopts a boat-shaped conformation (with the C atoms of the fused ring as the stern and the methine C atom as the prow). The substituent at the 3-position occupies an axial position, and the aromatic ring of the substituent is arched over the seven-membered ring in a parasol-like manner, the dihedral angle between the phenyl­ene and phenyl rings being 28.7 (1)°.

Partial Text

For the crystal structure of the 3,3-dimethyl substituted deriv­ative, see: Dardouri et al. (2011 ▶).




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