Abstract
Two new hydrazone compounds C14H10I2N2O3·CH3OH (1) and C19H16N2O3·2CH3OH (2) are synthesized by the condensation reactions of the equimolar quantities of 4-hydroxybenzohydrazide with 3,5-diiodo-2-hydroxybenzaldehyde and 2-methoxynaphth-1-yl-methylene respectively in methanol solutions. Compound 1 consists of a hydrazone molecule and a methanol molecule of crystallization, and compound 2 consists of a hydrazone molecule and two methanol molecules of crystallization. Both compounds are characterized by elemental analysis, IR spectra, and single crystal X-ray diffraction. As expected, each hydrazone molecule adopts an E configuration about the C=N double bond. In the crystal structures of both compounds, the hydrazone and methanol molecules are linked through intermolecular N-H...O and O-H...O hydrogen bonds, forming layers along the bc direction.
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Original Russian Text Copyright © 2011 by Y.-J. Wei and F.-W. Wang
The text was submitted by the authors in English. Zhurnal Strukturnoi Khimii, Vol. 52, No. 4, pp. 776–780, July–August, 2011.
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Wei, Y.J., Wang, F.W. Crystal structures of new 4-hydroxy-N′-(3,5-diiodo-2-hydroxybenzylidene)benzohydrazide methanol and 4-hydroxy-N′-(2-methoxynaphth-1-yl-methylene)benzohydrazide dimethanol solvate. J Struct Chem 52, 755–759 (2011). https://doi.org/10.1134/S0022476611040160
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DOI: https://doi.org/10.1134/S0022476611040160