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Synthesis 1987; 1987(12): 1116-1117
DOI: 10.1055/s-1987-28190
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Condensation of a Chiral Tetrahydro-2-furanthione with Diazocarbonyl Compounds

Seiichi Takano* , Shun'ichi Tomita, Michiyasu Takahashi, Kunio Ogasawara
  • *Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980, Japan
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Publication Date:
20 August 2002 (online)

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Reaction of (R)-5-(benzyloxymethyl)tetrahydro-2-furanthione (2), prepared from the corresponding furanone 1, with the diazocarbonyl compounds 3a-c in the presence of rhodium(II) acetate afforded the 2-(acylmethylene)tetrahydrofuran derivatives 4a-c in good yields.