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Synlett 1999; 1999(4): 413-414
DOI: 10.1055/s-1999-2628
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Tungsten Hexachloride (WCl6) in the Presence of Dimethylsulfoxide Promoted Facile and Efficient One-Pot Ring Expansion-Chlorination Reactions of 1,3-Dithiolanes and 1,3-Dithianes

Habib Firouzabadi* , Nasser Iranpoor, Babak Karimi
  • *Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran; Fax +98(0 71)2 00 27
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Publication Date:
31 December 1999 (online)

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Tungsten hexachloride (WCl6) in the presence of DMSO could be efficiently used for the conversion of 1,3-dithiolanes and 1,3-dithianes to their corresponding chlorinated derivatives of dihydro-1,4-dithiin and dihydro-1,4-dithiepine in high yield, respectively.

1,3-dithiolanes - tungsten hexachloride - 1,3-dithianes - ring-enlargement - dimethylsulfoxide