title: 2-Oxo-2H-chromen-4-yl 4-tert-butyl-benzoate.
abstract: In the title mol-ecule, C(20)H(18)O(4), the three methyl groups of the tert-butyl substituent show rotational disorder. Each methyl group is split over three positions, with refined site-occupation factors of 0.711 (4), 0.146 (3) and 0.144 (4). The benzene ring of the benzoate group is oriented at a dihedral angle of 60.70 (7)° with respect to the planar chromene ring [maximum deviation = 0.046 (2) Å]. The crystal structure features centrosymmetric R(2) (2)(8) dimers formed via C-H⋯O inter-actions, and these dimeric aggregates are connected by C-H⋯π inter-actions.
authors.forename: Akoun
authors.initials: A
authors.lastname: Abou
authors.forename: Bintou
authors.initials: B
authors.lastname: Sessouma
authors.forename: Abdoulaye
authors.initials: A
authors.lastname: Djandé
authors.forename: Adama
authors.initials: A
authors.lastname: Saba
authors.forename: Rita
authors.initials: R
authors.lastname: Kakou-Yao