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N'-(2-Methoxy-benzyl-idene)-2-nitro-benzo-hydrazide.

ABSTRACT: The title compound, C(15)H(13)N(3)O(4), was synthesized by the reaction of equimolar quanti-ties of 2-methoxy-benzaldehyde and 2-nitro-benzohydrazide in methanol. The dihedral angle between the two substituted benzene rings is 68.3?(2)°. In the crystal structure, inversion dimers linked by pairs of N-H?O hydrogen bonds occur.

SUBMITTER: Xiao GJ

PROVIDER: S-EPMC2968637 | biostudies-literature | 2009 Feb

REPOSITORIES: biostudies-literature

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N'-(2-Methoxy-benzyl-idene)-2-nitro-benzo-hydrazide.

Xiao Ge-Jiang GJ Wei Chao C

Acta crystallographica. Section E, Structure reports online 20090221 Pt 3

The title compound, C(15)H(13)N(3)O(4), was synthesized by the reaction of equimolar quanti-ties of 2-methoxy-benzaldehyde and 2-nitro-benzohydrazide in methanol. The dihedral angle between the two substituted benzene rings is 68.3 (2)°. In the crystal structure, inversion dimers linked by pairs of N-H⋯O hydrogen bonds occur. ...[more]

PMID: 21582232

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N'-(4-Methoxy-benzyl-idene)-4-nitro-benzo-hydrazide methanol solvate.

Project description:The title compound, C(15)H(13)N(3)O(4)·CH(4)O, was synthesized from the reaction of 4-methoxy-benzaldehyde with 4-nitro-benzohydrazide in methanol. The benzene rings of the Schiff base mol-ecule are nearly coplanar, making a dihedral angle of 7.0?(3)°. The methanol solvent mol-ecules are linked to the Schiff base mol-ecules by N-H?O, O-H?N and O-H?O hydrogen bonds, forming chains running parallel to the b axis.

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Project description:In the title hydrazone compound, C(14)H(10)FN(3)O(3), the dihedral angle between the two substituted benzene rings is 13.7?(3)°. The mol-ecule exists in a trans configuration with respect to the central methyl-idene unit. In the crystal, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming chains along the a axis.

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N'-(3-Methoxy-benzyl-idene)aceto-hydrazide.

Project description:In the title mol-ecule, C(10)H(12)N(2)O(2), the acetohydrazide group is planar within 0.012?(1)?Å and forms a dihedral angle of 5.25?(8)° with the benzene ring. The meth-oxy group is coplanar with the attached benzene ring [C-O-C-C = 0.1?(2)°]. The mol-ecule adopts a trans configuration with respect to the C=N double bond. In the crystal, mol-ecules are linked into centrosymmetric dimers by N-H?O hydrogen bonds and these dimers are linked into a ribbon-like structure along [110] by C-H?O hydrogen bonds. In addition, an inter-molecular C-H?? inter-action is observed.

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N'-(2-Chloro-benzyl-idene)benzo-hydrazide.

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N'-(2-Hydroxy-naphthyl-idene)-4-methoxy-benzo-hydrazide.

Project description:The title Schiff base compound, C(19)H(16)N(2)O(3), was derived from the condensation reaction of 2-hydr-oxy-1-naphthyl-aldehyde with 4-methoxy-benzohydrazide. The dihedral angle between the benzene ring and the naphthyl ring system is 6.8 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H⋯O inter-molecular hydrogen bonds, forming chains running along the c axis.

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N'-[(E)-2-Fluoro-benzyl-idene]benzo-hydrazide.

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Project description:In the title compound, C(16)H(15)N(3)O(6), the dihedral angle between the two benzene rings is 0.9?(2)°. The mol-ecule adopts an E configuration with respect to the C=N bond. There are intra-molecular O-H?N and O-H?O hydrogen bonds in the mol-ecule. In the crystal structure, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds to form chains running along the c axis.

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(E)-N'-(3-Nitro-benzyl-idene)-4-(8-quinol-yloxy)butano-hydrazide.

Project description:In the title Schiff base compound, C(20)H(18)N(4)O(4), the conformation along the bond sequence linking the benzene and quinoline rings is trans-(+)gauche-trans-trans-(+)gauche-trans-trans. The dihedral angle between the aromatic ring systems is 80.3 (6)°. In the crystal, a pair of inter-molecular N-H⋯N hydrogen bonds link the mol-ecules into centrosymmetric R(2) (2)(20) dimers, which are aggregated via π-π inter-actions into sheets [quinoline-benzene ring centroid-centroid separation = 3.572 (2)-3.773 (3) Å].

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