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(2E)-N'-[(E)-4-Chloro-benzyl-idene]-3-phenyl-prop-2-enohydrazide monohydrate.

ABSTRACT: The conformation about each of the imine and ethene bonds in the title hydrazide hydrate, C(16)H(13)ClN(2)O·H(2)O, is E. The hydrazide mol-ecule is approximately planar (r.m.s. deviation of the 20 non-H atoms = 0.172 Å). The most significant twist occurs about the ethene bond [C-C=C-C = 164.1 (5)°] and the dihedral angle formed between the benzene rings is 5.3 (2)°]. In the crystal, the presence of N-H⋯O(w) and O-H⋯O(c) (× 2; w = water and c = carbon-yl) hydrogen bonds leads to a supra-molecular array in the bc plane.

SUBMITTER: Carvalho SA

PROVIDER: S-EPMC3007965 | biostudies-literature |

REPOSITORIES: biostudies-literature

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4-[(2E)-2-(4-Chloro-benzyl-idene)hydrazinyl-idene]-1-methyl-1,4-dihydro-pyridine monohydrate.

Project description:In the title compound, C(13)H(12)ClN(3)·H(2)O, the organic mol-ecule is almost planar, with a dihedral angle of 3.22?(10)° between the benzene and pyridine rings. The crystal structure is stabilized by O-H?N and C-H?O hydrogen bonding and ?-? stacking inter-actions [centroid-centroid distances = 3.630?(1) and 3.701?(1)?Å].

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(2E)-N'-[(E)-2-Hy-droxy-benzyl-idene]-3-phenyl-prop-2-enohydrazide.

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Project description:The asymmetric unit of the title compound, C(14)H(11)ClN(2)O(2)·H(2)O, contains a Schiff base mol-ecule and a water mol-ecule of crystallization. The dihedral angle between the two aromatic rings is 27.3 (4)°. In the crystal structure, mol-ecules are linked into a two-dimensional network parallel to the bc plane by inter-molecular O-H⋯O and N-H⋯O hydrogen bonds involving the water mol-ecules.

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Methyl (2E)-2-({2-[(2E)-2-benzyl-idene-3-meth-oxy-3-oxoprop-yl]-1,3-dioxoindan-2-yl}meth-yl)-3-phenyl-prop-2-enoate.

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Project description:In the title compound, C(14)H(10)ClN(3)O(3)·H(2)O, the benzohydrazide group is not planar and the mol-ecule exists in a cis configuration with respect to the methyl-idene unit. The dihedral angle between the two substituted benzene rings is 38.7?(3)°. In the crystal structure, mol-ecules are linked by O-H?O, O-H?N and N-H?O hydrogen bonds into a two-dimensional network parallel to the (100) plane. The crystal structure is further stabilized by weak C-H?O inter-actions.

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N'-[(E)-4-Chloro-benzyl-idene]pyridine-4-carbohydrazide monohydrate.

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