N′-(3-Bromo-5-chloro-2-hydroxybenzylidene)-2H-1,3-benzodioxole-5-carbohydrazide
نویسندگان
چکیده
The asymmetric unit of the title hydrazone compound, C(15)H(10)BrClN(2)O(4), contains two independent mol-ecules. The dihedral angles between the benzene rings are 38.7 (3)° in one mol-ecule and 24.3 (3)° in the other. Both mol-ecules exist in trans conformations with respect to the C=N double bonds of the central methyl-idene units. Intra-molecular O-H⋯N contacts are observed in both mol-ecules, forming S(6) rings. In the crystal, mol-ecules are linked through N-H⋯O hydrogen bonds into chains along the a axis.
منابع مشابه
3-Amino-1-(2H-1,3-benzodioxol-5-yl)-9,10-dihydrophenanthrene-2,4-dicarbonitrile
In the title compound, C(23)H(15)N(3)O(2), significant deviations from planarity are evidenced in the values of the dihedral angles formed between the amino-benzene ring and the benzene rings of the 1,3-benzodioxole [65.38 (12)°] and 1,2-dihydro-naphthalene [26.27 (14)°] residues; the dioxole ring has an envelope conformation with the methyl-ene-C being the flap atom. The amino-H atoms form hyd...
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In the title compound, C10H11N3O2S, the 1,3-benzodioxole and hydrazinecarbothio-amide fragments are nearly planar [(mean deviations from planarity for non-H atoms of 0.0325 (12) Å and 0.0707 (10) Å, respectively] and subtend a dihedral angle of 29.06 (5)°. In the crystal, mol-ecules are linked by pairs of almost linear N-H⋯S hydrogen bonds, forming inversion dimers. These dimers are additionall...
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In the title compound, C12H8BrClN2O3, the furan ring makes a dihedral angle of 17.2 (2)° with the six-membered ring. An intra-molecular O-H⋯N hydrogen bond stabilizes the mol-ecular conformation. In the crystal, N-H⋯O hydrogen bonds connect the mol-ecules into chains running along the c-axis direction. The crystal packing is additionally stabilized by C-H⋯O inter-actions into a three-dimensiona...
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