Crystal structure of 2-phenylquinolin-3,4-dione, C15H9NO2
نویسندگان
چکیده
منابع مشابه
Crystal structure of 2-hydroxy-2-(2-oxocycloheptyl)-2,3-dihydro-1H-indene-1,3-dione
In the title compound, C16H16O4, the five-membered ring of the indene-1,3-dione unit adopts a twist conformation, whereas the seven-membered ring adopts a twist-chair conformation. In the crystal, mol-ecules are linked by O-H⋯O hydrogen bonds, weak C-H⋯O hydrogen bonds and π-π stacking [centroid-to-centroid distance = 3.7373 (8) Å] into a three-dimensional supra-molecular architecture.
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The title mol-ecule, C16H9BrO3, deviates slightly from planarity. The benzene ring makes a dihedral angle of 1.02 (9)° with the plane defined by the five-membered ring of the indandione moiety. The latter exhibits a minute twist indicated by the dihedral angle of 0.47 (9)° between the planes of the five- and six-membered rings. An intra-molecular C-H⋯O hydrogen bond between the attached benzene...
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In the title compound, C15H18N2O2S, the 2,3-di-hydro-1-benzo-thio-pyran ring adopts a sofa conformation and the hydantoin ring is twisted with respect to the benzene ring at 78.73 (17)°. In the crystal, pairs of N-H⋯O hydrogen bonds link the mol-ecules into inversion dimers.
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withdrawing groups and an electron-donating group. The electron-withdrawing groups are further conjugated with a double bond in the ring. The light-absorption characteristics of the molecule are expected to be modified by changing the substituents attached to the molecule. This indicates that the molecule can be one of the basic components in designing functional dyes. It is therefore of partic...
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In the title compound, C9H15NO2, the piperidine ring exhibits a chair conformation. The butane-dione subunit exhibits a conformation with the ketone C atom in an eclipsed position with respect to the amide carbonyl group. In the crystal, a two-dimensional layered arrangement is formed by hydrogen bonds of the C-H⋯O type between the methyl group and the exocyclic methyl-ene unit as donor sites a...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2007
ISSN: 2197-4578,1433-7266
DOI: 10.1524/ncrs.2007.0109