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4-(4-Nitro-benz-yl)morpholine.

ABSTRACT: In the title compound, C(11)H(14)N(2)O(3), an inter-molecular inter-action between a nitro group O atom and a neighboring benzene ring helps to stabilize the crystal structure [N⋯centroid = 3.933 (2) Å]. No classical hydrogen bonds are observed in the crystal packing.

SUBMITTER: Yang LL

PROVIDER: S-EPMC3099983 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:In the title compound, C(14)H(14)N(2)O(3), the nitro group is nearly coplanar with the benzene ring to which it is bonded [dihedral angle = 1.70 (2)°], and this ring is para-substituted by the amino-methyl-ene group. The dihedral angle between the benzene rings is 57.8 (1)°. The crystal structure is stabilized by N-H⋯O and C-H⋯O hydrogen bonds and weak C-H⋯π inter-actions are also observed.

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Project description:In the title compound, C16H11NO4, the dihedral angle between the ten-membered chromen-4-one ring system (r.m.s. deviation = 0.0095 Å) and the benzene ring is 86.16 (5)°. In the crystal, mol-ecules are linked into a three-dimensional network by weak C-H⋯O hydrogen bonds. The crystal studied was a non-merohedral twin, with the minor twin component refining to 0.093 (1).

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N-(4-Fluoro-benz-yl)-3-nitro-pyridine-2,6-diamine.

Project description:In the title compound, C(12)H(11)FN(4)O(2), the pyridine ring is connected to a benzene ring by a -CH(2)-NH(2)- chain. The nitro group is twisted out of the pyridine ring plane [torsion angle O-N-C-C = 10.41?(10)°]. An intramolecular N-H?O hydrogen bond occurs. The fluoro-benzene ring is disordered over two positions [occupancy ratio = 0.59?(3):0.41?(3)]. Inter-molecular N-H?O and N-H?N hydrogen bonds stabilize the crystal structure.

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