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Synlett 1993; 1993(11): 827-828
DOI: 10.1055/s-1993-22620
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Regioselective Thiopyran Formation Upon Cyclization of 2-Thiyl-6-heptenyl Radicals

K. S. Feldman* , H. M. Berven
  • *Department of Chemistry, The Pennsylvania State University, University Park, Pa. 16802 U.S.A.
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Publication Date:
19 March 2002 (online)

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Free radical mediated cyclization of substituted vinylcyclopropanes bearing a 4-mercaptopentyl moiety furnished the ring opened thiopyran products in moderate yield as a mixture of stereoisomers with respect to the 2 and 6 positions of the thiopyran ring.