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N'-[(E)-Benzyl-idene]-2-(6-meth-oxy-naphthalen-2-yl)propano-hydrazide.

ABSTRACT: The title mol-ecule, C21H20N2O2, exists in the solid state in the 'extended' form. The crystal packing consists of ribbons of mol-ecules extending parallel to c and associated via N-H⋯O and weak C-H⋯O hydrogen bonds. C-H⋯π inter-actions are also present.

SUBMITTER: Mague JT

PROVIDER: S-EPMC3884289 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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N'-[(E)-Benzyl-idene]-2-(6-meth-oxy-naphthalen-2-yl)propano-hydrazide.

Mague Joel T JT Akkurt Mehmet M Mohamed Shaaban K SK El-Remaily Mahmoud A A MA Albayati Mustafa R MR

Acta crystallographica. Section E, Structure reports online 20131005 Pt 11

The title mol-ecule, C21H20N2O2, exists in the solid state in the 'extended' form. The crystal packing consists of ribbons of mol-ecules extending parallel to c and associated via N-H⋯O and weak C-H⋯O hydrogen bonds. C-H⋯π inter-actions are also present. ...[more]

PMID: 24454065

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N'-[(E)-2-Chloro-benzyl-idene]-2-(6-meth-oxy-naphthalen-2-yl)propano-hydrazide.

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N'-(2-Meth-oxy-benzyl-idene)aceto-hydrazide.

Project description:In the title mol-ecule, C(10)H(12)N(2)O(2), the acetohydrazide group is almost planar [within 0.0306 (12) Å] and forms a dihedral angle of 12.15 (14)° with the benzene ring. The meth-oxy group deviates from the attached benzene ring with a C-O-C-C torsion angle of 4.2 (4)°·The mol-ecule adopts a trans configuration with respect to the C=N bond. In the crystal, mol-ecules are linked into centrosymmetric dimers by pairs of N-H⋯O hydrogen bonds and intermolecular C-H⋯O interactions further stabilize the structure.

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2-Hy-droxy-N'-[2-(6-meth-oxy-naphthalen-2-yl)propano-yl]benzohydrazide.

Project description:In the title compound, C(21)H(20)N(2)O(4), the naphthalene ring system makes a dihedral angle of 84.5?(3)° with the benzene ring, and the -C(=O)-N(H)-N(H)-C(=O)- torsion angle is 70.7?(7)°, so that the mol-ecule is twisted. An S(6) ring motif is formed via an intra-molecular O-H?O hydrogen bond. In the crystal, mol-ecules are linked by N-H?O and C-H?O hydrogen bonds into supra-molecular layers in the ab plane.

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Crystal structure of (2E)-2-meth-oxy-imino-2-{2-[(2-methyl-phen-oxy)meth-yl]phen-yl}-N'-(4-nitro-benzyl-idene)ethano-hydrazide.

Project description:The title compound, C24H22N4O5, crystallizes with two mol-ecules in the asymmetric unit (Z' = 2) oriented almost perpendicular to each other [dihedral angle between the central core of each mol-ecule = 77.95 (3)°]. The two mol-ecules exhibit similar conformations with an extended structure. An intra-molecular C-H⋯N hydrogen bond occurs in each mol-ecule. The two mol-ecules are linked by a bifurcated N-H⋯(O,N) hydrogen bond involving the NH group in mol-ecule A as donor. They are further linked into a ribbon along the a-axis direction by further bifurcated N-H⋯(O,N) hydrogen bonds involving the NH group in mol-ecule B as donor. C-H⋯O inter-actions are also observed.

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Project description:The title compound, C(16)H(16)N(2)O(4), was obtained from the reaction of hydrazine hydrate and o-vanilin in absolute ethanol. The mol-ecule is almost planar (except for the methyl H atoms), with a mean deviation from the plane of 0.0259?Å. The mol-ecular structure also exhibits an approximate non-crystallographic twofold axis. Intra-molecular O-H?N hydrogen bonds occur. In the crystal, inter-molecular C-H?O hydrogen bonds generate mol-ecular zigzag sheets. The sheets stack through C-H?? inter-actions, leading to a three-dimensional-network.

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Project description:The title phenyl-hydrazine derivative, C16H16N2O4, has a crystallographically imposed centre of symmetry. Except for the methyl group, all non-H atoms are almost coplanar (r.m.s. deviation = 0.0095 Å). Intra-molecular O-H⋯N hydrogen bonds are observed, generating S(6) graph-set ring motifs.

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(E,E)-N'-{4-[(2-Benzoyl-hydrazin-1-yl-idene)meth-yl]benzyl-idene}benzo-hydrazide.

Project description:In the title compound, C(22)H(18)N(4)O(2), the mol-ecules lie across an inversion centre. The dihedral angle between the mean planes of the central and terminal benzene rings is 66.03 (2)°. The mol-ecule displays trans and anti conformations about the C=N and N-N bonds, respectively. In the crystal, N-H⋯O hydrogen bonds, with the O atoms of C=O groups acting as acceptors, link the mol-ecules into a chain along [101].

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2-[(E)-4-Meth-oxy-benzyl-idene]-1,2,3,4-tetra-hydro-naphthalen-1-one.

Project description:Two independent mol-ecules (A and B) comprise the asymmetric unit of the title compound, C(18)H(16)O(2). Mol-ecule B is virtually superimposable upon A. Minor differences are noted in the dihedral angles between the terminal benzene rings of 56.03 (10) and 54.62 (10)°, and in the orientations of meth-oxy groups with respect to the benzene rings to which they are attached [C-O-C-C torsion angles = 169.11 (19) and -172.37 (18)°]. The cyclo-hexene ring of each fused ring system has a screw-boat conformation. In the crystal, C-H⋯π inter-actions assemble mol-ecules into a supra-molecular array in the ab plane.

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(E)-N'-(5-Bromo-2-hy-droxy-benzyl-idene)-2-(4-isobutyl-phen-yl)propano-hydrazide.

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