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(E)-N'-(5-Bromo-2-hy-droxy-benzyl-idene)-4-hy-droxy-3-meth-oxy-benzohydrazide methanol solvate.

ABSTRACT: In the title compound, C(15)H(13)BrN(2)O(4)·CH(4)O, the two benzene rings form a dihedral angle of 3.2 (2)°. An intra-molecular O-H⋯N hydrogen bond is observed. In the crystal structure, mol-ecules are linked through O-H⋯O and N-H⋯O hydrogen bonds, forming a two-dimensional network parallel to (10).

SUBMITTER: Liu SY

PROVIDER: S-EPMC3006942 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N'-(5-Bromo-2-hy-droxy-benzyl-idene)-3-nitro-benzohydrazide methanol mono-solvate.

Project description:In the title compound, C(14)H(10)BrN(3)O(4)·CH(4)O, the dihedral angle between the two benzene rings in the hydrazone mol-ecule is 5.8 (3)° and an intra-molecular O-H⋯N hydrogen bond generates an S(6) ring motif. An O-H⋯O hydrogen bond occurs between the hydrazone mol-ecule and the methanol solvent mol-ecule. In the crystal, the components are linked by inter-molecular N-H⋯O hydrogen bonds, forming chains along the a axis.

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(E)-N'-(5-Bromo-2-hy-droxy-benzyl-idene)-2-meth-oxy-benzohydrazide.

Project description:In the title compound, C(15)H(13)BrN(2)O(3), the mol-ecule adopts an E configuration about the C=N bond and the two benzene rings form a dihedral angle of 20.3?(3)°. In the mol-ecule, there are two intra-molecular hydrogen bonds, viz. O-H?N and N-H?O, involving the hy-droxy substituent, the meth-oxy O atom and the hydrazide NH group and N atom. In the crystal structure, mol-ecules are linked through N-H?O hydrogen bonds, forming chains propagating along [010].

| S-EPMC3006725 | biostudies-literature

(E)-N'-(5-Bromo-2-hy-droxy-benzyl-idene)-3-meth-oxy-benzohydrazide.

Project description:In the title compound, C(15)H(13)BrN(2)O(3), the two benzene rings form a dihedral angle of 16.9 (2)°. An intra-molecular O-H⋯N hydrogen bond affects the mol-ecular conformation. In the crystal structure, mol-ecules are linked through N-H⋯O hydrogen bonds into chains running along the a axis.

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(E)-N'-(5-Bromo-2-hy-droxy-3-meth-oxy-benzyl-idene)-2-hy-droxy-benzohydrazide monohydrate.

Project description:The organic molecule of the title hydrate, C(15)H(13)BrN(2)O(4)·H(2)O, is roughly planar, with a mean deviation of 0.0939 (2) Å. The dihedral angle between the two aromatic rings is 8.2 (3)°. Intra-molecular O-H⋯N and O-H⋯O hydrogen bonds are observed. In the crystal, N-H⋯O(water) and O(water)-H⋯O hydrogen bonds lead to a three-dimensional network.

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N'-(3-Fluoro-benzyl-idene)-4-hy-droxy-3-meth-oxy-benzohydrazide methanol monosolvate.

Project description:In the title compound, C(15)H(13)FN(2)O(3)·CH(3)OH, the dihedral angle between the benzene rings of the benzohydrazone mol-ecule is 5.3 (3)°. The C atom of the meth-oxy group is almost coplanar with its attached ring [deviation = 0.017 (2) Å]. The r.m.s. deviation of the 21 non-H atoms of the hydrazone mol-ecule is 0.106 Å. In the crystal, the components are linked by O(m)-H⋯O(h), N(h)-H⋯O(m) and O(h)-H⋯O(h) (m = methanol and h = hydrazone) hydrogen bonds, forming (001) layers.

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(E)-4-Bromo-N'-(4-hy-droxy-3-meth-oxy-benzyl-idene)benzohydrazide monohydrate.

Project description:In the title compound, C(15)H(13)BrN(2)O(3)·H(2)O, the dihedral angle between the two benzene rings is 13.92?(6)°. The meth-oxy group of the 4-hy-droxy-3-meth-oxy-phenyl is almost coplanar with its bound benzene ring, as seen by the C(meth-yl)-O-C-C torsion angle of -0.35?(16)°. In the crystal, mol-ecules are linked into a three-dimensional network by N-H?O, O-H?N and O-H?O hydrogen bonds and also weak C-H?O inter-actions. A short C?O contact of 3.0191?(15)?Å is also present.

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N'-[(E)-5-Bromo-2-hy-droxy-3-meth-oxy-benzyl-idene]benzohydrazide monohydrate.

Project description:The title compound, C15H13BrN2O3·H2O, exists in an E conformation with respect to the azo-methane C=N double bond. The benzene and phenyl rings form dihedral angles of 0.46?(2) and 4.90?(3)°, respectively with the central C(=O)N2C unit. An intra-molecular O-H?N hydrogen bond occurs. In the crystal, some hydrazide mol-ecules are replaced by mol-ecules of the 6-bromo isomer. The Br atom from this admixture was refined to give a partial occupancy of 0.0443?(19). A supra-molecular network is built in the lattice by means of inter-molecular N-H?O and two O-H?O inter-actions together with non-classical C-H?O inter-actions involving the lattice water mol-ecule stacking the mol-ecules along the b-axis direction.

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1,5-Bis(2-hy-droxy-3-meth-oxy-benzyl-idene)carbonohydrazide methanol 0.47-solvate.

Project description:In the title compound, C17H18N4O5·0.47CH3OH, the virtually planar (r.m.s. deviation = 0.128 Å) carbonohydrazide mol-ecule is located on a twofold axis and conformation of its C=N bonds is E. There are short intra-molecular O-H⋯N hydrogen bonds between the hy-droxy groups and hydrazide N atoms. In the crystal, bifurcated N-H⋯(O,O) hydrogen bonds assemble the carbonohydrazide mol-ecules into a three-dimensional network. There are C 2 symmetric voids in this network, 47% of which are occupied by disordered methanol mol-ecules.

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(E)-4-Hy-droxy-N'-(2-hy-droxy-3,5-diiodo-benzyl-idene)-3-meth-oxy-benzohydrazide methanol monosolvate.

Project description:In the title compound, C(15)H(12)I(2)N(2)O(4)·CH(3)OH, the hydrazone mol-ecule exists in an E conformation with respect to the C=N bond. The dihedral angle between the rings is 11.9 (2)°. There is one intra-molecular O-H⋯N hydrogen bond in the hydrazone mol-ecule. In the crystal, the hydrazone and methanol mol-ecules are linked through O-H⋯O and N-H⋯O hydrogen bonds and C-H⋯O inter-actions to form two-dimensional networks lying parallel to (001).

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