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(E)-N'-[(2-Hy-droxy-1-naphthalen-1-yl)methyl-idene]-3-methyl-benzohydrazide.

ABSTRACT: In the title compound, C(19)H(16)N(2)O(2), the benzene ring and naphthyl ring system are inclined at a dihedral angle of 16.1?(3)°. An intra-molecular O-H?N hydrogen bond influences the mol-ecular conformation. In the crystal, mol-ecules are linked through N-H?O hydrogen bonds into chains running along the a axis.

SUBMITTER: Liu SY

PROVIDER: S-EPMC3099761 | biostudies-literature | 2011 Apr

REPOSITORIES: biostudies-literature

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(E)-N'-[(2-Hy-droxy-1-naphthalen-1-yl)methyl-idene]-3-methyl-benzohydrazide.

Liu Shi-Yong SY Sun Shan-Shan SS Zheng Ting-Ting TT Zheng Xiang-Lei XL Zhao Xiao-Feng XF Li Xiao-Fang XF

Acta crystallographica. Section E, Structure reports online 20110326 Pt 4

In the title compound, C(19)H(16)N(2)O(2), the benzene ring and naphthyl ring system are inclined at a dihedral angle of 16.1 (3)°. An intra-molecular O-H⋯N hydrogen bond influences the mol-ecular conformation. In the crystal, mol-ecules are linked through N-H⋯O hydrogen bonds into chains running along the a axis. ...[more]

PMID: 21754228

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(E)-N'-[(2-Hy-droxy-naphthalen-1-yl)methyl-idene]-4-methyl-benzohydrazide.

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Project description:The title compound, C(19)H(12)N(2)O(3), has two independent mol-ecules (A and B) in the asymmetric unit. There is an intra-molecular O-H⋯N hydrogen bond in each mol-ecule. The mean planes of the naphthalene [maximum deviations = 0.024 (3) and 0.030 (3) Å in A and B, respectively] and the isoindoline units [maximum deviations 0.009 (3) and 0.008 (3) Å in A and B, respectively] are almostly coplanar, with dihedral angles of 4.25 (9) ad 3.84 (9)° in mol-ecules A and B, respectively. The two independent mol-ecules are connected by π-π inter-actions [centroid-centroid distances 3.5527 (19) and 3.5627 (19) Å]. In the crystal, the A+B pairs are further connected via π-π inter-actions [centroid-centroid distances = 3.693 (2)-3.831 (2) Å], leading to the formation of columns propagating along the a-axis direction. The columns are linked via C-H⋯O inter-actions, leading to the formation of a three-dimensional network.

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