Onium ions. X. Structural study of acyclic and cyclic halonium ions by carbon-13 nuclear magnetic resonance spectroscopy. Question of intra- and intermolecular equilibration of halonium ions with haloalkylcarbenium ions
Halofluorination of alkenes using tetrabutylammonium dihydrogentrifluoride
作者:Manabu Kuroboshi、Tamejiro Hiyama
DOI:10.1016/s0040-4039(00)92048-3
日期:1991.2
Regio-, stereo-, and chemoselective halofluorination of alkenes is achieved using N-haloamides and tetrabutylammonium dihydrogentrifluoride, and the resulting F-I adducts were successfully converted into fluoroalkenes under dehydroiodination with 1,8-diazabicyclo[5.4.0]undec-7-ene.
Stable carbonium ions. XLVIII. Halonium ion formation via neighboring halogen participation. Tetramethylethylene halonium ions