cis-(3R,5R)-3-Bromo-2,2-di­methyl-5-phenyl­tetra­hydro­pyran

The heterocyclic ring in the title compound, C₁₃H₁₇BrO, adopts a ₁C⁴ conformation, with the phenyl and bromo substituents located in equatorial positions.

2,2-Di­methyl-5-oxo-2,3,4,5-tetra­hydro­furan-3-yl benzoate

The title compound, C₁₃H₁₄O₄, crystallizes as a racemate. The heterocyclic core of the 3S-configured mol­ecule adopts a ₂T³ conformation, whereas a ²T₃ arrangement is found for the 3R enantiomer. The majority of substituents in both stereoisomers are located in axial positions.