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N'-(4-Hy-droxy-benzyl-idene)-2-methyl-benzohydrazide.

ABSTRACT: The title hydrazone compound, C(15)H(14)N(2)O(2), was prepared by the condensation of 4-hy-droxy-benzaldehyde with 2-methyl-benzohydrazide in methanol. The dihedral angle between the two benzene rings is 42.3?(2)°. In the crystal structure, mol-ecules are linked by inter-molecular O-H?O, O-H?N and N-H?O hydrogen bonds, forming a three-dimensional framework.

SUBMITTER: Tang CB

PROVIDER: S-EPMC2983165 | biostudies-literature | 2010

REPOSITORIES: biostudies-literature

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N'-(4-Hy-droxy-benzyl-idene)-2-methyl-benzohydrazide.

Tang Chun-Bao CB

Acta crystallographica. Section E, Structure reports online 20100904 Pt 10

The title hydrazone compound, C(15)H(14)N(2)O(2), was prepared by the condensation of 4-hy-droxy-benzaldehyde with 2-methyl-benzohydrazide in methanol. The dihedral angle between the two benzene rings is 42.3 (2)°. In the crystal structure, mol-ecules are linked by inter-molecular O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds, forming a three-dimensional framework. ...[more]

PMID: 21587483

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2-Hy-droxy-N'-(4-hy-droxy-benzyl-idene)-3-methyl-benzohydrazide.

Project description:The title compound, C(15)H(14)N(2)O(3), was prepared by condensing 4-hy-droxy-benzaldehyde and 2-hy-droxy-3-methyl-benzo-hydra-zide in methanol. The two benzene rings make a dihedral angle of 19.03 (11)°. An intra-molecular O-H⋯O hydrogen bond is observed. The crystal structure is stabilized by inter-molecular O-H⋯O and N-H⋯O hydrogen bonds and C-H⋯O inter-actions, which lead to the formation of a three-dimensional network.

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N'-(2-Hy-droxy-benzyl-idene)-3-methyl-benzohydrazide.

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Project description:The title compound, C(15)H(13)N(3)O(5), was prepared by condensing 5-hy-droxy-2-nitro-benzaldehyde and 2-hy-droxy-3-methyl-benzohydrazide in methanol. The two benzene rings make a dihedral angle of 3.9?(3)°. An intra-molecular O-H?O hydrogen bond is observed. The crystal structure is stabilized by inter-molecular O-H?O and N-H?O hydrogen bonds, and C-H?O and ?-? inter-actions [centroid-centroid distances = 3.5658?(17)-3.9287?(19)?Å].

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Project description:In the title mol-ecule, C(15)H(13)BrN(2)O(2), an intra-molecular O-H?N hydrogen bond influences the mol-ecular conformation; the two benzene rings form a dihedral angle of 13.6?(3)°. In the crystal, inter-molecular N-H?O hydrogen bonds link the mol-ecules into chains along the a axis and weak inter-molecular C-H?O hydrogen bonds further link these chains into layers parallel to the ac plane.

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Project description:The title compound, C(19)H(23)N(3)O(2), was prepared by condensing 4-diethyl-amino-2-hy-droxy-benzaldehyde and 4-methyl-benzo-hydrazide in methanol. The asymmetric unit contains two independent mol-ecules in which the two benzene rings make dihedral angles of 30.3?(3) and 18.9?(3)°. Intra-molecular O-H?N hydrogen bonds are observed in both mol-ecules. The crystal structure is stabilized by N-H?O hydrogen bonds, which form chains along the a axis.

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