| Reference: | Xiong, Z.; Corey, E.J. J. Am. Chem. Soc., 2000, 122, 9328-9329 DOI |
| Keywords: | Ketal -> Diol • O-H -> O-SO2R • Ba-Allyl+Alkyl-X • Epoxidation, dioxirane • Epoxide -> Tetrahydrofuran • Ether-5 • Ether-5 • |
| Reagents: | Ba° (Rieke) • Acetic acid • Oxone • MeSO2Cl • DMAP • Acetate, sodium • Acetic acid • Carbonate, potassium • |