In nucleophilic acyl substitution,()
A、protonationofthecarbonylisfollowedimmediatelybylossofthe
leavinggroup.
B、lossoftheleavinggroupisfollowedbyrearrangementofthe
carbocation.
C、additiontothecarbonylbyanucleophileisfollowedbylossofthe
leavinggroup.
D、esterhydrolysisisfollowedbydeprotonation.
E、anSN2reactionoccurs.
发布时间：2026-01-29 04:04:39
