The title compound, C(13)H(12)O(2)S(2), 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-C=C torsion angles of -36.8â (4) and -21.0â (4)°. The dithian ring has a twisted conformation.
2-(1,3-Dithian-2-yl-idene)-1-phenyl-butane-1,3-dione.
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作者:Zhang Lan-Cui, Li Na, Li Xiao-Hui, Huang Cui-Ying, Zhou Guang-Hua
| 期刊: | Acta Crystallographica Section E-Structure Reports Online | 影响因子: | 0.600 |
| 时间: | 2008 | 起止号: | 2008 Jan 30; 64(Pt 2):o534 |
| doi: | 10.1107/S160053680800264X | ||
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