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In the title compound, C 21 H 20 Br 2 O 2 S, 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)°.

rac-2,2′-(Thiane-2,6-diyl)bis[1-(4-bromophenyl)ethanone]