Abstract
The title Schiff base compound, C23H23N5O, was synthesized by the reaction of 4-aminophenazone and 3,5-dimethyl-1-phenylpyrazole-4-carbaxaldehyde. The molecule adopts an E configuration about the central C=N double bond. A weak intramolecular C—H⋯O hydrogen bond generates an S(6) ring motif. The dihedral angle between the pyrazole rings is 24.72 (10)° and the dihedral angles between the pyrazole rings and the adjacent phenyl rings are 58.67 (10) and 46.58 (11)°. The crystal structure is stabilized by weak C—H⋯π interactions involving the pyrazolone and phenyl rings.
Highlights
The title Schiff base compound, C23H23N5O, was synthesized by the reaction of 4-aminophenazone and 3,5-dimethyl-1phenylpyrazole-4-carbaxaldehyde
H atoms treated by a mixture of independent and constrained refinement max = 0.24 e Å3
The crystal structure is stabilized by weak C—H interactions involving the pyrazolone and phenyl rings
Summary
R factor = 0.059; wR factor = 0.161; data-to-parameter ratio = 19.3. H atoms treated by a mixture of independent and constrained refinement max = 0.24 e Å3. The title Schiff base compound, C23H23N5O, was synthesized by the reaction of 4-aminophenazone and 3,5-dimethyl-1phenylpyrazole-4-carbaxaldehyde. The molecule adopts an E configuration about the central C N double bond. A weak intramolecular C—H O hydrogen bond generates an S(6). 24.72 (10) and the dihedral angles between the pyrazole rings and the adjacent phenyl rings are 58.67 (10) and 46.58 (11). The crystal structure is stabilized by weak C—H interactions involving the pyrazolone and phenyl rings
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