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Crystal structure of 1-methyl-2-methyl-amino-3-nitro-1H-chromeno[2,3-b]pyridin-5(10aH)-one.

ABSTRACT: In the title compound, C14H13N3O4, the pyran ring adopts an envelope conformation with the methine C atom as the flap. The dihedral angle between the benzene and hydro-pyridine rings is 29.33?(3)°. The methyl-amine C atom deviates from the plane of its attached ring by 0.380?(5)?Å and an intra-molecular N-H?O hydrogen bond closes an S(6) ring. In the crystal, weak C-H?O hydrogen bonds and aromatic ?-? stacking inter-actions [centroid-centroid distances vary from 3.6529?(10) to 3.6872?(10)?Å] link the mol-ecules, generating a three-dimensional network.

SUBMITTER: Raja R 

PROVIDER: S-EPMC4645028 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Crystal structure of 1-methyl-2-methyl-amino-3-nitro-1H-chromeno[2,3-b]pyridin-5(10aH)-one.

Raja Rajamani R   Poomathi Nataraj N   Perumal Paramasivam T PT   SubbiahPandi A A  

Acta crystallographica. Section E, Crystallographic communications 20151007 Pt 11

In the title compound, C14H13N3O4, the pyran ring adopts an envelope conformation with the methine C atom as the flap. The dihedral angle between the benzene and hydro-pyridine rings is 29.33 (3)°. The methyl-amine C atom deviates from the plane of its attached ring by 0.380 (5) Å and an intra-molecular N-H⋯O hydrogen bond closes an S(6) ring. In the crystal, weak C-H⋯O hydrogen bonds and aromatic π-π stacking inter-actions [centroid-centroid distances vary from 3.6529 (10) to 3.6872 (10) Å] lin  ...[more]

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