Abstract
In the title compound, C20H22N2O4, two benzene rings bearing meth-oxy substituents are connected by a central acetyl-pyrazoline ring: the dihedral angle between the benzene rings is 83.7 (1)°. In the crystal, pairwise C-H⋯O hydrogen bonds generate inversion dimers and additional weak C-H⋯O inter-actions link the dimers into chains propagating along the c-axis direction.
Highlights
C20H22N2O4, two benzene rings bearing methoxy substituents are connected by a central acetylpyrazoline ring: the dihedral angle between the benzene rings is 83.7 (1)
Pairwise C—HÁ Á ÁO hydrogen bonds generate inversion dimers and additional weak C—HÁ Á ÁO interactions link the dimers into chains propagating along the c-axis direction
The dihedral angle between the pyrazoline ring and the C1–C6 benzene ring is 6.25 (2), indicating that the rings are close to coplanar
Summary
Keywords: crystal structure; pyrazolines; C— HÁ Á ÁO hydrogen bonds. In the title compound, C20H22N2O4, two benzene rings bearing methoxy substituents are connected by a central acetylpyrazoline ring: the dihedral angle between the benzene rings is 83.7 (1). In the crystal, pairwise C—HÁ Á ÁO hydrogen bonds generate inversion dimers and additional weak C—HÁ Á ÁO interactions link the dimers into chains propagating along the c-axis direction.
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