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Synlett 1991; 1991(12): 903-904
DOI: 10.1055/s-1991-20917
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Activation and Synthetic Applications of Thiostannanes. Facile Preparation of 1,3-Dithiopropenes

Tsuneo Sato* , Junzo Otera, Hitosi Nozaki
  • *Department of Applied Chemistry, Okayama University of Science, Ridai-cho, Okayama 700, Japan
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Publication Date:
07 March 2002 (online)

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A new method for synthesizing 1,3-dithiopropenes 4 [1,3-bis(cyclohexyl/methyl/phenylthio)-1-alkenes] is achieved by the reaction of αβ-unsaturated aldehydes 5 or their corresponding acetals 1 with thiostannanes 2 [Bu2Sn(SR)2, where R = cyclohexyl, methyl or phenyl] in the presence of dibutyltin bis(trifluoromethanesulfonate).