URANIUM FLUORIDE CHEMISTRY .2. THE LIQUID-PHASE REACTION OF BETA-URANIUM PENTAFLUORIDE AND URANIUM HEXAFLUORIDE WITH CYCLOHEXANE DERIVATIVES

Reactions of beta-uranium pentafluoride and uranium hexafluoride with a series of cyclohexane derivatives containing electronegative substit uents were carried out in solution in 1,1,2-trichlorotrifluoroethane. The reaction between beta-UF5 and oxygen- or fluorine-containing cyclo hexane derivatives proceeded smoothly and afforded high product yields . For example, the reaction between cyclohexanol and beta-UF5 afforded cyclohexene in 53% yield. 1,2-Epoxycyclohexane underwent ring opening to afford a 60% yield of 2-fluorocyclohexanol, while fluorocyclohexan e was dehydrofluorinated quantitatively. Neither chloro- nor bromocycl ohexane was dehydrohalogenated upon treatment with beta-UF5.