11-Methyl-2,3-benzodipyrrin-1-one

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منابع مشابه

11-Methyl-2,3-benzodipyrrin-1-one.

The title compound {alternative names: 11-methyl-2,3-benzopyrromethenone and 3-[(1-methylpyrrol-2-yl)methylidene]-2,3-dihydro-1H-isoindol-1-one}, C(14)H(12)N(2)O, was prepared by the base-catalysed condensation of phthalimidine with 2-formyl-1-methylpyrrole; yellow orthorhombic crystals, space group Pbca, were obtained from ethanol. The molecule is almost planar, having Z(-)antiperiplanar geome...

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1-Methyl-3-phenyl­quinoxalin-2(1H)-one

The phenyl substituents in both independent mol-ecules of the title compound, C(15)H(12)N(2)O, are twisted with respect to the quinoxaline system [dihedral angles = 19.3 (1) and 30.4 (1)°].

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1-Methyl-1,3-diazinan-2-one

In the crystal structure of the title compound, C(5)H(10)N(2)O, mol-ecules are connected via pairs of strong N-H⋯O hydrogen bonds into centrosymmetric dimers, which are stacked along the a axis. The molecule is not planar, the dihedral angle between the N/C/N and C/C/C planes being 42.1(1)°.

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3-Methyl-1-propargylquinoxalin-2(1H)-one

The ten-membered fused ring of the title compound, C(12)H(10)N(2)O, is essentially planar in the two independent mol-ecules of the asymmetric unit (r.m.s. deviations = 0.012 and 0.015 Å).

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4-Methyl-1-phenyl­quinolin-2(1H)-one

In the title compound, C(16)H(13)NO, the mol-ecules are connected three-dimensionally through non-classical C-H⋯O and C-H⋯π inter-actions of 3.272 (3), 3.380 (3) and 3.382 (4) Å. Classical hydrogen bonds are not observed. The dihedral angle between the benzyl and quinolin-2(1H)-one mean planes is 87.15 (7)°

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ژورنال

عنوان ژورنال: Acta Crystallographica Section C Crystal Structure Communications

سال: 2004

ISSN: 0108-2701

DOI: 10.1107/s0108270104026708