Crystal structure and synthesis of 4-(4-hydroxybenzylideneamino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

The title compound C₁₅H₁₈N₄O₂ (I), was prepared from the reaction of 4-amino-1-methyl-3-propyl-1H-pyrazole-5-carboxamide and 4-hydroxybenzaldehyde; and was analyzed by analytical data from ¹H NMR, ¹³C NMR, IR and Mass spectra. The crystal structure was determined by single crystal X-ray diffraction....

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Bibliographic Details
Published in:Journal of molecular structure 2011-05, Vol.994 (1-3), p.332-334
Main Authors: Rambabu, D, Rama Krishna, G, Basavoju, Srinivas, Reddy, C. Malla, Pal, Manojit
Format: Article
Language:English
Subjects:
crystal structure
hydrogen bonding
hydroxybenzaldehyde
nuclear magnetic resonance spectroscopy
X-ray diffraction
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Summary:The title compound C₁₅H₁₈N₄O₂ (I), was prepared from the reaction of 4-amino-1-methyl-3-propyl-1H-pyrazole-5-carboxamide and 4-hydroxybenzaldehyde; and was analyzed by analytical data from ¹H NMR, ¹³C NMR, IR and Mass spectra. The crystal structure was determined by single crystal X-ray diffraction. The molecules in the crystal structure form cyclic centrosymmetric supramolecular tetramer synthons [graph-set R₄ ⁴(12)] through amide N–H⋯O(hydroxy) and hydroxy O–H⋯O(amide) hydrogen bonds to form perpendicular tapes.
ISSN:0022-2860
1872-8014
DOI:10.1016/j.molstruc.2011.03.045