(E)-2-Chloro-N′-(2-hydroxy-1-naphthylmethylene)benzohydrazide
نویسندگان
چکیده
In the structue of the title compound, C(18)H(13)ClN(2)O(2), a new Schiff base, the dihedral angle between the benzene and naphthyl ring system mean planes is 22.5 (2)°. The mol-ecule has an E configuration about the C=N bond, and an intra-molecular hydrogen bond involving the hydoxyl substituent on the naphthyl ring and the N' atom of the hydrazide. The crystal structure is stabilized by inter-molecular N-H⋯O hydrogen bonds, forming one-dimensional chains running parallel to the a axis.
منابع مشابه
(E)-4-Bromo-N′-(2-hydroxy-1-naphthylmethylene)benzohydrazide
The title compound, C(18)H(13)BrN(2)O(2), was synthesized by the reaction of 2-hydr-oxy-1-naphthaldehyde with 4-bromo-benzohydrazide. This Schiff base mol-ecule has an E configuration about the C=N bond and is almost planar, the dihedral angle between the mean planes through the substituted benzene ring and the naphthyl system being 6.6 (2)°. There is an intra-molecular O-H⋯N hydrogen bond invo...
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The title compound, C(17)H(12)ClN(3)O(2), was synthesized by the Schiff base condensation reaction of 2-hydr-oxy-1-naphthaldehyde with 6-chloro-nicotinic acid hydrazide in a methanol solution. The mol-ecule displays a trans configuration with respect to the C=N and C-N bonds. The dihedral angle between the naphthyl ring system and the pyridine ring is 7.6 (4)°. There is an intra-molecular O-H⋯N...
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The title compound, C(14)H(10)ClN(3)O(4), was synthesized by the reaction of 5-hydr-oxy-2-nitro-benzaldehyde with an equimolar quantity of 4-chloro-benzohydrazide in methanol. The mol-ecule displays an E configuration about the C=N bond. The dihedral angle between the two benzene rings is 3.9 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H⋯O and O-H⋯O hydrogen ...
متن کامل2-Chloro-N′-(2-hydroxy-4-methoxybenzylidene)benzohydrazide
In the title compound, C(15)H(13)ClN(2)O(3), the dihedral angle between the two benzene rings is 82.09 (10)° and an intra-molecular O-H⋯N hydrogen bond occurs. In the crystal structure, N-H⋯O hydrogen bonds link mol-ecules into chains propagating in [100].
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