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By Li-Qiang Liu and Jing-Kui Yang


In the title compound, C21H20Br2O2S, prepared by the reaction of 1,9-bis­(4-bromo­phen­yl)nona-2,7-diene-1,9-dione with sodium sulfide nona­hydrate in acetonitrile, the six-membered thio­pyran ring has a chair conformation while the H atoms ortho to the S atom adopt a cis configuration. The dihedral angle between the two benzene rings is 2.59 (8)°

Topics: Organic Papers
Publisher: International Union of Crystallography
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Provided by: PubMed Central

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