3-(2-Bromo-acet-yl)phenyl benzoate.

In the title compound, C15H11BrO3, the dihedral angle between the benzene rings is 72.59 (6)°. In the crystal, pairs of C-H⋯π contacts form inversion dimers. Additional C-H⋯O hydrogen bonds generate R2(1)(6) ring motifs and stack these dimers along the b axis. Short inter-molecular Br⋯O contacts of 3.254 (3) Šare also observed and link the stacks into a three-dimensional network.

(7-Chloro-2-oxo-2H-chromen-4-yl)methyl di-ethyl-carbamodi-thio-ate.

In the title compound, C15H16ClNO2S2, the 2H-chromene ring system is nearly planar, with a maximum deviation of 0.023 (2) Å. In the crystal, C-H⋯O hydrogen bonds give R 2 (1)(7) motifs, which generate [100] chains. C-H⋯π and π-π inter-actions between chromene moieties [shortest ring centroid-centroid distance = 3.6199 (13) Å] consolidate the packing.

N-{3-[2-(4-Fluoro-phen-oxy)eth-yl]-2,4-dioxo-1,3-diaza-spiro-[4.5]decan-7-yl}-4-meth-oxy-benzene-sulfonamide.

In the title compound, C(23)H(26)FN(3)O(6)S, the two terminal aromatic rings form a dihedral angle of 49.26 (12)°. The cyclo-hexane ring adopts a chair conformation and the five-membered ring is essentially planar, with a maximum deviation from planarity of 0.0456 (19) Å. The dihedral angles between the five-membered ring and the meth-oxy-benzene and fluoro-benzene rings are 33.56 (11) and 81.94 (12)°, respectively. The crystal structure displays N-H⋯O hydrogen bonds as well as weak inter-molecular C-H⋯O inter-actions.

Ethyl 2-(4-benzoyl-2,5-dimethyl-phen-oxy)acetate.

The title compound, C(19)H(20)O(4), was synthesized via a Fries rearrangement of hydr-oxy benzophenone. The dihedral angle between the least-squares planes of the two benzene rings is 69.04 (11)°. The mol-ecular structure displays an intra-molecular non-classical C-H⋯O hydrogen bond.