Crystal structures of the sulfones of 2,3-diphenyl-2,3-di-hydro-4H-1,3-benzo-thia-zin-4-one and 2,3-diphenyl-2,3-di-hydro-4H-pyrido[3,2-e][1,3]thia-zin-4-one.

ABSTRACT: The title sulfones, 2,3-diphenyl-2,3-di-hydro-4H-1,3-benzo-thia-zine-1,1,4-trione, C₂₀H₁₅NO₃S, and 2,3-diphenyl-2,3-di-hydro-4H-pyrido[3,2-e][1,3]thia-zine-1,1,4-trione, C₁₉H₁₄N₂O₃S, crystallize in space group P2₁/n with two mol-ecules in each of the asymmetric units and have almost identical unit cells and extended structures. In both structures, the thia-zine rings exhibit a screw-boat pucker. The inter-molecular inter-actions observed are C-H⋯O-type hydrogen bonds and parallel partial π-π stacking between the fused aromatic rings (benzo- or pyrido-) of the core of the mol-ecules within each asymmetric unit, and also connecting to mol-ecules with translational period

SUBMITTER: Yennawar HP 

PROVIDER: S-EPMC9993925 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature