Abstract
The molecule of the title compound, C27H24N4O5, exists in the keto–enamine tautomeric form, stabilized by an intramolecular N—H⋯O hydrogen bond. An intramolecular C—H⋯·O hydrogen bond also occurs. In the crystal, C—H⋯O hydrogen bonds link the molecules into chains.
Highlights
Bruker APEXII CCD diffractometerCollege of Chemistry, Tianjin Normal University, Tianjin 300387, People’s Republic of China
The molecule of the title compound, C27H24N4O5, exists in the keto–enamine tautomeric form, stabilized by an intramolecular N—H O hydrogen bond
The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry
Summary
College of Chemistry, Tianjin Normal University, Tianjin 300387, People’s Republic of China. R factor = 0.040; wR factor = 0.106; data-to-parameter ratio = 7.1. The molecule of the title compound, C27H24N4O5, exists in the keto–enamine tautomeric form, stabilized by an intramolecular N—H O hydrogen bond. H O hydrogen bonds link the molecules into chains
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