Vanadiumpentafluoride reacts with polyfluorinated and polychlorinated olefins, alkadienes, cycloalkenes and cyclodienes in CFCl3 or without a solvent at −25° to 100°C, forming products of addition of two fluorine atoms across the CC bond.
Fluorocyclohexanes. Part XVI. The six H-trifluoromethyldecafluoro- and two of the 2H,4H-trifluoromethylnonafluoro-cyclohexanes
作者:Derek J Alsop、James Burdon、Paul A Carter、Colin R Patrick、John Colin Tatlow
DOI:10.1016/s0022-1139(00)81515-8
日期:1982.11
toluene. The trans-2H-isomer was made by further fluorination of one of the 2H,4H-dodecafluorides. Aqueous potash and the cis-2H-tridecafluoride gave 1-trifluoromethylnonafluorocyclohex-1-ene, which with stronger alkali hydrolysed to 1-carboxynonafluorocyclohex-1-ene. The cis- and trans- 2H and 4H-tridecafluorides were dehydrofluorinated by sodiumfluoride at 320–380° (the cis-isomer of each pair reacted
Polyfluorocycloalkenes. Part XIX. Some reactions and compounds from 1,2-bis(trifluoromethyl)octafluorocyclohexene
作者:David Collins、Robert Stephens、John Colin Tatlow
DOI:10.1016/s0022-1139(00)81941-7
日期:1986.7
back (A). Fluorination of compounds (C) and (B) afforded cis and trans 1H-1,2-bis(trifluoromethyl)nonafluorocyclohexane (J and H respectively). Both (H) and (J) were dehydrofluorinated to give olefin (A) exclusively, i.e. fluorine was lost preferentially from the tertiary →CF group. Ammonia and (A) gave 1,3-diamino-2-cyano-3-trifluoromethylhexafluorocyctohexene (K). Some hydro-polyfluoro-cyclohexanes