2-Oxo-2H-chromen-3-yl 4-tert-butylbenzoate

Abstract

In the title coumarin derivative, C20H18O4, the benzene ring of the benzoate group is oriented at a dihedral angle of 57.55 (9)° with respect to the planar chromene ring system [maximum deviation from plane is 0.027 (2) Å]. In the crystal, inversion-related molecules are linked into dimers via C—H...O hydrogen bonds, generating R22(12) loops. The dimers are linked by further C—H...O hydrogen bonds forming layers, parallel to the bc plane, which are linked via C—H...π interactions, forming a three-dimensional framework

Keywords

• crystal structure
• coumarin
• lactones
• α-pyrone