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Note | Regular issue | Vol 57, No. 12, 2002, pp.2373-2381
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9588
Preparation and Structure of 3,4,8,9-Tetrachloro-2,5,7,10-tetrahydro[1,6]dithiecine

David L. Eaton, John P. Selegue,* John Anthony, and Brian O. Patrick

*Department of Chemistry, University of Kentucky, University of Kentucky, Lexington, KY 40506-0055, U.S.A.


The reaction of Z-1,4-dibromo-2,3-dichlorobut-2-ene (1) with sodium sulfide leads to 3,4,8,9-tetrachloro-2,5,7,10-tetrahydro[1,6]dithiecine (2) as the principal product, rather than the anticipated 3,4-dichloro-2,5-dihydrothiophene (3). Compound (2) was characterized spectroscopically and its structure determined by X-Ray crystallography.