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2-Eth-oxy-4-[2-(3-nitro-phen-yl)-hydrazono-meth-yl]phenol.

ABSTRACT: The title Schiff base compound, C(15)H(15)N(3)O(4), was prepared from a condensation reaction of 3-eth-oxy-4-hydroxy-benz-aldehyde and 3-nitro-phenyl-hydrazine. The mol-ecule is nearly planar; the dihedral angle between the hydroxy-benzene ring and the nitro-benzene ring is 6.57?(7)°. O-H?O, O-H?N and C-H?O hydrogen bonding helps to stabilize the crystal structure.

SUBMITTER: Chen JQ

PROVIDER: S-EPMC2970498 | biostudies-other | 2009

REPOSITORIES: biostudies-other

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2-Eth-oxy-4-[2-(3-nitro-phen-yl)-hydrazono-meth-yl]phenol.

Chen Jun-Qiang JQ Jiang Ling L Li Shu-Mian SM Chen Yu-Zhen YZ

Acta crystallographica. Section E, Structure reports online 20090926 Pt 10

The title Schiff base compound, C(15)H(15)N(3)O(4), was prepared from a condensation reaction of 3-eth-oxy-4-hydroxy-benz-aldehyde and 3-nitro-phenyl-hydrazine. The mol-ecule is nearly planar; the dihedral angle between the hydroxy-benzene ring and the nitro-benzene ring is 6.57 (7)°. O-H⋯O, O-H⋯N and C-H⋯O hydrogen bonding helps to stabilize the crystal structure. ...[more]

PMID: 21577980

Similar Datasets

2-Eth-oxy-4-{[(2-nitro-phen-yl)hydrazono]meth-yl}phenol.

Project description:The title compound, C(15)H(15)N(3)O(4), a Schiff base, was obtained from a condensation reaction of 3-eth-oxy-4-hydroxy-benzaldehyde and 2-nitro-phenyl-hydrazine. The mol-ecule is approximately planar, the largest deviation from the mean plane being 0.1449?(16)?Å. An intramolecular N-H?O inter-action is also present. In the crystal, inter-molecular O-H?O hydrogen bonds link the mol-ecules, forming chain parallel to the b axis.

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Project description:In the title compound, C(15)H(15)NO(2), the dihedral angle between the benzene rings is 52.04 (5)° and the mol-ecule has an E conformation about the central C=N bond. In the crystal, mol-ecules are connected by O-H⋯N hydrogen bonds, forming zigzag chains along the b axis. The crystal packing also features weak C-H⋯O inter-actions.

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Project description:In the title Schiff base mol-ecule, C29H28N2O3, the three terminal benzene rings are twisted by 73.84 (15), 81.25 (16) and 12.1 (2)° with respect to the central benzene ring. An intra-molecular O-H⋯N hydrogen bond occurs. In the crystal, mol-ecules are linked via weak C-H⋯π inter-actions into a three-dimensional supra-molecular architecture.

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Project description:The asymmetric unit of the title compound, C(16)H(17)NO(2), contains two mol-ecules in which the dihedral angles between the 3-eth-oxy-2-hy-droxy-benzaldehyde and toluidine moieties are 16.87 (8) and 19.93 (6)°. S(6) rings are present in both mol-ecules due to intra-molecular O-H⋯N hydrogen bonds. In the crystal, one of the mol-ecules is dimerized with an inversion-generated partner, due to two C-H⋯O inter-actions. This generates an R(2) (2)(8) loop.

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Project description:The mol-ecule of the title compound, C(16)H(16)N(2)O(4), exists in the E configuration with respect to the central C=N double bond. The dihedral angle between the two benzene rings is 2.17?(9)?Å. In the crystal, mol-ecules are linked via O-H?N hydrogen bonds into chains that propagate along the b-axis direction. There is also ?-? stacking of inversion-related mol-ecules, with inter-planar spacings of 3.479?(5)?Å and ring centroid-centroid distances of 3.876?(4)?Å.

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5-Diethyl-amino-2-[(E)-(4-eth-oxy-phen-yl)imino-meth-yl]phenol.

Project description:The title compound, C(19)H(24)N(2)O(2), adopts the phenol-imine tautomeric form. An intra-molecular O-H⋯N hydrogen bond results in the formation of a six-membered ring. The aromatic rings are oriented at a dihedral angle of 17.33 (16)°. Inter-molecular C-H⋯π inter-actions occur in the crystal.

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Project description:In the title compound, C19H12Cl2N2O4, the imine bond length of 1.257 (6) Å is typical of a double bond. The dihedral angle between the para-nitro benzene ring and the central benzene ring is 12.06 (3)° and that between the central benzene and the para-chloro benzene ring is 73.81 (2)°. An intra-molecular O-H⋯N hydrogen bond generates an S(6) ring motif. In the crystal, mol-ecules are linked together by two pairs of C-H⋯O interactions (to the same O atom acceptor), forming inversion dimers. A short Cl⋯Cl contact [3.232 (4) Å] is observed.

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