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Synlett 1996; 1996(3): 261-262
DOI: 10.1055/s-1996-5390
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A General Method for the Synthesis of 3-Substituted Tetrahydro- and 2,3-Dihydro-4H-thiopyran-4-ones

Dale E. Ward* , Yuanzhu Gai, Yingjie Lai
  • *Department of Chemistry, University of Saskatchewan, Saskatoon SK S7N 5C9, Canada, Fax: (306)966-4730; Internet: WardD@sask.usask.ca
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Publication Date:
31 December 2000 (online)

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The synthesis of tetrahydro- and 2,3-dihydro-3-methylene-4H-thiopyran-4-one is described. The tin hydride mediated addition of alkyl and aryl halides to these compounds is presented as a general method to obtain the corresponding 3-substituted 4H-thiopyran-4-ones.

4H-thiopyran-4-ones - 3-methylene-4H-thiopyranones - α-methylene ketone - radical addition