248-nm Laser flash photoprotonation of mesitylene, hexamethylbenzene, and 1,3,5-trimethoxybenzene in 1,1,1,3,3,3-hexafluoroisopropyl alcohol. Formation and electrophilic reactivities of the cyclohexadienyl cations
248-nm Laser flash photoprotonation of mesitylene, hexamethylbenzene, and 1,3,5-trimethoxybenzene in 1,1,1,3,3,3-hexafluoroisopropyl alcohol. Formation and electrophilic reactivities of the cyclohexadienyl cations