title: Methyl 2-[(3RS,4RS)-3-phenyl-4-(phenyl-sulfon-yl)isoxazolidin-2-yl]acetate.
abstract: In the title compound, C18H19NO5S, the five-membered isoxazolidine ring is in a half-chair conformation, and the phenyl rings are oriented at a dihedral angle of 66.53 (3)°. In the crystal, C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional supra-molecular structure. A weak C-H⋯π inter-action is also observed between adjacent mol-ecules.
authors.affiliation: Department of Chemistry, Çankırı Karatekin University, TR-18100 Çankırı, Turkey.
authors.forename: Zeynep
authors.initials: Z
authors.lastname: Gültekin
authors.affiliation: Department of Physics, Hacettepe University, 06800 Beytepe, Ankara, Turkey.
authors.forename: Mehmet
authors.initials: M
authors.lastname: Civan
authors.affiliation: Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany.
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Frey
authors.affiliation: Department of Physics, Hacettepe University, 06800 Beytepe, Ankara, Turkey.
authors.forename: Tuncer
authors.initials: T
authors.lastname: Hökelek