Activation of Electrophilicity of Stable Y-Delocalized Carbamate Cations in Intramolecular Aromatic Substitution Reaction: Evidence for Formation of Diprotonated …

~93%

~86%

~%

~42%

~79%

~84%

~%

~97%

~93%

~%

~%

~85%

~95%

~%

~40%

~%

~79%

~83%

~78%