%0 Journal Article %T 2-(1,3-Dithian-2-ylidene)-1-phenylbutane-1,3-dione %A Lan-Cui Zhang %A Na Li %A Xiao-Hui Li %A Cui-Ying Huang %J Acta Crystallographica Section E %D 2008 %I International Union of Crystallography %R 10.1107/s160053680800264x %X The title compound, C13H12O2S2, belonging to the group of dioxoketene cyclic S,S-acetals, was prepared from the corresponding dione in high yield. In the structure, the C=O and C=C bonds are not coplanar, with O=C¡ªC=C torsion angles of 36.8 (4) and 21.0 (4)¡ã. The dithian ring has a twisted conformation. %U http://scripts.iucr.org/cgi-bin/paper?S160053680800264X