Y. Takemoto et al., TANDEM OXIDATIVE RING-CLEAVAGE CYCLIZATION REACTIONS OF CYCLOPROPYLSULFIDES - A NOVEL SYNTHESIS OF CYCLIC ETHERS, Journal of the Chemical Society, Chemical Communications, (13), 1994, pp. 1529-1530
Treatment of cyclopropylsulfides bearing a hydroxy group in the side c
hain with eerie ammonium-nitrate in methanol gives five- or six-member
ed cyclic ethers via a tandem cation radical ring cleavage-cyclisation
sequence.