2-tert-Butoxy-1-phenyl-1-(2,2,6,6-tetra­methyl­piperidin-1-yl­oxy)­ethane

The title compound, C₂₁H₃₅NO₂, contains a piperidine ring in a chair conformation, with a pyramidal N atom and a single (exocyclic) N-O bond in an equatorial orientation.