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2-(4-Chloro-anilino)quinoxaline.

ABSTRACT: There are two mol-ecules in the asymmetric unit of the title compound, C(14)H(10)ClN(3), with dihedral angles of 5.11 (10) and 13.61 (10)° between the aromatic ring systems. In the crystal structure, mol-ecules are linked by N-H⋯N hydrogen bonds, resulting in chains propagating in [010].

SUBMITTER: Idris A

PROVIDER: S-EPMC2960096 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-Chloro-quinoxaline.

Project description:In the title compound, C(8)H(5)ClN(2), the planar mol-ecules are arranged with their Cl atoms in close contact [Cl?Cl = 3.808?(1) and 3.881?(1)?Å], indicating weak Cl?Cl inter-actions, which give rise to a supra-molecular chain.

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Project description:The two aromatic rings of each of the four independent molecules in the asymmetric unit of the title compound, C(11)H(9)ClN(2), are approximately coplanar; the four mol-ecules are arranged into two amino-pyridyl N-H⋯N hydrogen-bonded pairs. The structure has a 15% twin component related by a twofold rotation about [100].

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2-(3-Chloro-anilino)pyridine.

Project description:In the title compound, C(11)H(9)ClN, the dihedral angle between the aromatic ring planes is 44.2 (1)° and the bridging C-N-C bond angle is 127.60 (19)°. The amino N-H grouping makes a hydrogen bond to the pyridyl N atom of an adjacent mol-ecule across a center of inversion, generating a hydrogen-bonded dimer.

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Project description:In the title compound, C(14)H(11)Cl(2)NO, the benzene rings form a dihedral angle of 3.14?(6)°. Overall, the mol-ecule is close to being planar (r.m.s. deviation for all the non-H atoms = 0.054?Å). No significant directional inter-molecular inter-actions are observed in the crystal structure.

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Project description:In the crystal structure of the title compound, C(12)H(14)N(3) (+)·C(2)H(2)ClO(2) (-), the chloro-acetate anion is linked to the N-(4,6-dimethyl-pyrimidin-2-yl)aniline cation by N-H?O hydrogen bonding. Within the cation, the pyrimidine ring is twisted with respect to the phenyl ring by a dihedral angle of 7.59?(4)°.

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Project description:In the title compound, C(13)H(12)ClNO, the dihedral angle between the two benzene ring planes is 68.71?(8)°. In the crystal, mol-ecules are linked by pairs of O-H?N hydrogen bonds into inversion dimers, which are further linked by intermolecular N-H?O interactions into a chain running parallel to the a axis.

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Project description:In the title compound, C(14)H(12)ClNO, the planes of the two aromatic rings form a dihedral angle of 4.16 (1)°. The mol-ecule is essentially planar with an r.m.s. deviation for all non-H atoms of 0.0372 Å.

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Project description:In the mol-ecule of the title compound, C(14)H(10)ClNO(2), the essentially planar phthalide group is oriented at a dihedral angle of 59.43 (4)° with respect to the substituted aromatic ring. In the crystal structure, inter-molecular C-H⋯O and N-H⋯O hydrogen bonds link the mol-ecules, generating R(4) (4)(21) ring motifs to form a three-dimensional network.

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Project description:In the title compound, C(18)H(17)Cl(2)NOS, the thio-pyran-one ring adopts a chair conformation, with the substituent in the axial position. The dihedral angle between the two benzene rings is 89.43?(1)°. In the crystal, mol-ecules form inversion dimers through inter-molecular N-H?O hydrogen bonds [graph set R(2) (2)(8)].

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