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Synlett 1992; 1992(6): 510-512
DOI: 10.1055/s-1992-21397
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Opening of Epoxides to Olefins or Halohydrins with Vanadium (II)-Tetrahydrofuran or Vanadium(III)-Tetrahydrofuran Complexes

Tsutomu Inokuchi* , Hiroyuki Kawafuchi, Sigeru Torii
  • *Department of Applied Chemistry, Faculty of Engineering, Okayama University, Okayama 700, Japan
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Publication Date:
08 March 2002 (online)

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A variety of epoxides were deoxygenated to give the corresponding alkenes through the use of a [V2Cl3(THF)6]2[Zn2Cl6] complex prepared from VCl3(THF)3 and zinc. The reaction proceeds with a partial inversion of the configuration of the acyclic cis epoxide. Treatment of the epoxides with the vanadium(III) reagent, VCl3(THF)3, afforded the corresponding chlorohydrins in good yields.

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