Pg. Jones et A. Weinkauf, -DIPHENYL-1,4,2,6-OXATHIADIPHOSPHORINANE-3,5-DIONE, Acta crystallographica. Section C, Crystal structure communications, 53, 1997, pp. 615-616
The title compound, C14H14O3P2S, exhibits a flattened chair conformati
on of the heterocycle. The ring bond angle at oxygen is extremely wide
at 137.12(9)degrees, whereas that at sulfur is narrow at 98.78(9)degr
ees.