(2R)-3-[(4S)-4-benzyl-2-oxo-3-oxazolidinyl]-3-oxo-2-[(1R,2S)-2- vinylcyclohexyl]propionic acid methyl ester and (2R)-3-[(4S)-4-Ben-zyl-2-oxo-3-oxazolidinyl]-3-oxo-2-[(1R,2S)-2- vinylcyclopentyl]propionic acid methyl ester

Article abstract of DOI:10.1107/S010827019600159X

Both the title structures, C₂2H₂7NO₅ and C₂₁H₂₅NO₅, exhibit similar conformations, as shown by a least-squares fit of the atoms common to both. The oxazolidine ring is intermediate between