The effect of the trifluoromethyl group on the methylenecyclopropane rearrangement
作者:Xavier Creary、Anthony F. Sky、M.E. Mehrsheikh-Mohammadi
DOI:10.1016/s0040-4039(00)88454-3
日期:——
The CF3 group, in conjunction with an electron donor group, can enhance the rate of the methylenecyclopropanerearrangement. This is attributed to captodative radical stabilization of the intermediate biradical.
CF 3基团与电子给体基团一起可以提高亚甲基环丙烷重排的速率。这归因于中间双基的俘获性自由基稳定。
Nature of Alkylidenecarbenes Generated from Alkenylphenyliodonium Tetrafluoroborates via Base-Induced .alpha.-Elimination