Abstract
In the title compound, C18H16O2, the heterocyclic ring of the chroman-2-one system adopts a slightly distorted screw-boat conformation. The dihedral angle between the least-squares planes of the coumarin ring system and the benzene ring is 67.5 (1)°. The crystal packing features C—H⋯O hydrogen bonds, which link the molecules into centrosymmetric R22(8) dimers, and C—H⋯π interactions.
Highlights
In the title compound, C18H16O2, the heterocyclic ring of the chroman-2-one system adopts a slightly distorted screw-boat conformation
Cg is the centroid of the C1–C6 ring
The crystal packing features C—H O hydrogen bonds, which link the molecules into centrosymmetric R22(8)
Summary
Government Institute of Technology, Vellore 632 002, India, and cDepartment of Organic Chemistry, University of Madras, Maraimalai Campus, Chennai 600 025, India. R factor = 0.047; wR factor = 0.152; data-to-parameter ratio = 23.2
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