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N'-(5-Bromo-2-methoxy-benzyl-idene)-3,4-methyl-enedioxy-benzohydrazide.

ABSTRACT: In the title mol-ecule, C(16)H(13)BrN(2)O(4), the two benzene rings form a dihedral angle of 74.9?(2)°. In the crystal, mol-ecules are linked via inter-molecular N-H?O hydrogen bonds into chains propagating along the c axis.

SUBMITTER: Sang YL

PROVIDER: S-EPMC2969257 | biostudies-literature | 2009 Jun

REPOSITORIES: biostudies-literature

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N'-(5-Bromo-2-methoxy-benzyl-idene)-3,4-methyl-enedioxy-benzohydrazide.

Sang Ya-Li YL Lin Xue-Song XS

Acta crystallographica. Section E, Structure reports online 20090620 Pt 7

In the title mol-ecule, C(16)H(13)BrN(2)O(4), the two benzene rings form a dihedral angle of 74.9 (2)°. In the crystal, mol-ecules are linked via inter-molecular N-H⋯O hydrogen bonds into chains propagating along the c axis. ...[more]

PMID: 21582901

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N'-(3,5-Dibromo-2-hydroxy-benzyl-idene)-3,4-methyl-enedioxy-benzohydrazide.

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Project description:The title Schiff base compound, C(15)H(13)BrN(2)O(3), is derived from the condensation of 5-bromo-2-methoxy-benzaldehyde with 2-hydroxy-benzohydrazide in an ethanol solution. The dihedral angle between the two aromatic rings is 6.9?(9)°. The meth-oxy group is coplanar with the attached ring [C-O-C-C = 3.1?(12)°]. An intra-molecular N-H?O hydrogen bond is observed. In the crystal structure, the mol-ecules are linked into chains along the [001] direction by inter-molecular O-H?N, O-H?O and C-H?O hydrogen bonds.

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Project description:In the title compound, C(14)H(11)BrN(2)O(3)·H(2)O, the dihedral angle between the two benzene rings of the Schiff base is 22.7?(2)° and an intra-molecular O-H?O hydrogen bond is observed. In the crystal, mol-ecules are linked into layers parallel to the ab plane by O-H?O and N-H?O hydrogen bonds.

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N'-(5-Bromo-2-hy-droxy-benzyl-idene)-4-methyl-benzohydrazide.

Project description:The mol-ecule of the title compound, C(15)H(13)BrN(2)O(2), displays an E conformation with respect to the C=N double bond and the dihedral angle between the planes of the benzene rings is 3.1?(2)°. An intra-molecular O-H?N inter-action generates an S(6) ring. In the crystal, mol-ecules are linked by N-H?O hydrogen bonds, forming C(4) chains along the c-axis direction.

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