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N'-(4-Meth-oxy-benzyl-idene)-4-methyl-benzohydrazide.

ABSTRACT: The title compound, C(16)H(16)N(2)O(2), is the product of the reaction of 4-meth-oxy-benzaldehyde and 4-methyl-benzo-hydrazide. The dihedral angle between the substituted benzene rings is 17.6?(3)° and the meth-oxy C atom is almost coplanar with its attached ring [deviation = 0.019?(4)?Å]. In the crystal, mol-ecules are linked by N-H?O hydrogen bonds, forming C(4) chains propagating along the b-axis direction.

SUBMITTER: Liu ZX

PROVIDER: S-EPMC3239071 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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N'-(4-Meth-oxy-benzyl-idene)-4-methyl-benzohydrazide.

Liu Zeng-Xin ZX

Acta crystallographica. Section E, Structure reports online 20111125 Pt 12

The title compound, C(16)H(16)N(2)O(2), is the product of the reaction of 4-meth-oxy-benzaldehyde and 4-methyl-benzo-hydrazide. The dihedral angle between the substituted benzene rings is 17.6 (3)° and the meth-oxy C atom is almost coplanar with its attached ring [deviation = 0.019 (4) Å]. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds, forming C(4) chains propagating along the b-axis direction. ...[more]

PMID: 22199919

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N'-[Bis(benzyl-sulfan-yl)methyl-idene]-4-meth-oxy-benzohydrazide.

Project description:In the title compound, C(23)H(22)N(2)O(2)S(2), the dihedral angles between the 4-meth-oxy-substituted phenyl ring and the other two phenyl rings are 84.4?(4) and 77.7?(1)°, respectively, while the dihedral angle between the two phenyl rings is 57.5?(2)°. The amino group is not involved in an N-H hydrogen bond. The crystal packing is established by inter-molecular C-H?O packing inter-actions involving a relatively rare weak three-center hydrogen bond between the keto O atom and H atoms of the two nearby phenyl rings, which link the mol-ecules into chains running along the a axis. Additional weak inter-molecular hydrogen-bond inter-actions between the 4-meth-oxy O atom and one of the phenyl rings and provide added stability to the crystal packing.

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4-Meth-oxy-N'-(4-meth-oxy-benzyl-idene)benzohydrazide.

Project description:The title compound, C(16)H(16)N(2)O(3), was prepared by the reaction of 4-meth-oxy-benzaldehyde with 4-meth-oxy-benzohydrazide in methanol. The dihedral angle between the two benzene rings is 3.1?(3)°. In the crystal, inter-molecular N-H?O hydrogen bonds link the mol-ecules into C(4) chains along the b axis.

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4-Meth-oxy-N'-(3-nitro-benzyl-idene)benzohydrazide.

Project description:In the title compound, C(15)H(13)N(3)O(4), the dihedral angle between the benzene rings is 3.1?(3)°. The mol-ecule displays an E conformation about the C=N bond. In the crystal, mol-ecules are linked via N-H?O hydrogen bonds, generating chains that propagate along the b-axis direction. There is also a C-H?O inter-action present.

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Project description:The mol-ecule of the title compound, C(15)H(13)FN(2)O(2), exists in a trans configuration with respect to the methyl-idene unit. The two benzene rings form a dihedral angle of of 64.7?(2)°. In the crystal, mol-ecules are linked through N-H?O hydrogen bonds into chains propagating along the c axis.

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2-Meth-oxy-N'-(2-methoxy-benzyl-idene)benzohydrazide.

Project description:The title Schiff base compound, C(16)H(16)N(2)O(3), was derived from the condensation of 2-methoxy-benzaldehyde with 2-methoxy-benzohydrazide in an ethanol solution. The dihedral angle between the two aromatic rings is 87.5?(3)°. In the crystal structure, the mol-ecules are linked into chains running parallel to the a axis by inter-molecular N-H?O hydrogen bonds.

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N'-(2-Meth-oxy-benzyl-idene)-4-nitro-benzohydrazide.

Project description:The mol-ecule of the title compound, C(15)H(13)N(3)O(4), adopts an E configuration with respect to the C=N bond. The dihedral angle between the two benzene rings is 6.0 (3)°. In the crystal, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds to form chains along the c axis.

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(E)-4-Meth-oxy-N'-(2,4,5-tri-meth-oxy-benzyl-idene)benzohydrazide hemihydrate.

Project description:The title compound crystallizes as a hemihydrate, C18H20N2O5·0.5H2O. The mol-ecule exists in an E conformation with respect to the C=N imine bond. The 4-meth-oxy-phenyl unit is disordered over two sets of sites with a refined occupancy ratio of 0.54 (2):0.46 (2). The dihedral angles between the benzene rings are 29.20 (9) and 26.59 (9)°, respectively, for the major and minor components of the 4-meth-oxy-substituted ring. All meth-oxy substituents lie close to the plane of the attached benzene rings [the Cmeth-yl-O-C-C torsion angles range from -4.0 (12) to 3.9 (2)°]. In the crystal, the components are linked into chains propagating along [001] via N-H⋯O and O-H⋯O hydrogen bonds and weak C-H⋯O inter-actions.

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(E)-4-Meth-oxy-N'-(3,4,5-trimeth-oxy-benzyl-idene)benzohydrazide.

Project description:In the asymmetric unit of the title compound, C(18)H(20)N(2)O(5), there are two crystallographic independent mol-ecules. Both mol-ecules are twisted; the dihedral angle between the two benzene rings is 7.2?(5)° in one mol-ecule, whereas it is 85.9?(4)° in the other. Of the three meth-oxy groups in the 3,4,5-trimeth-oxy-phenyl unit, two meth-oxy groups at meta positions are approximately coplanar with the benzene plane [C-O-C-C torsion angles of -2.3?(13)-4.8?(11)°], but the other meth-oxy, at the para position, is out of the plane [C-O-C-C of 72.8?(9)° in one mol-ecule and -77.5?(9)° in the other]. In the crystal, mol-ecules are linked by N-H?O hydrogen bonds and weak C-H?O inter-actions into tapes along the b axis. C-H?? inter-actions are also present.

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(E)-N'-(3-Hy-droxy-4-meth-oxy-benzyl-idene)-4-meth-oxy-benzohydrazide.

Project description:The title mol-ecule, a benzohydrazide derivative, C(16)H(16)N(2)O(4), is twisted with a dihedral angle of 69.97?(5)° between the two benzene rings. An intra-molecular O-H?O hydrogen bond generates an S(5) ring motif. In the crystal, mol-ecules are linked by N-H?O and weak C-H?O hydrogen bonds into a chain along the c axis. C-H?? inter-actions are also present.

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4-Dimethyl-amino-N'-(2-meth-oxy-benzyl-idene)benzohydrazide.

Project description:In the title mol-ecule, C(17)H(19)N(3)O(2), the dihedral angle between the two benzene rings is 14.05?(15)°. In the crystal, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming chains along b.

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