CHEM 210 Lecture Notes - Lecture 30: Aromaticity, Deprotonation, Electrophile
Document Summary
General reaction scheme for eas - always the same steps, the only thing that changes is the exact nature of the electrophile and the curved arrow(s) that may be needed at that point. Note: one carbon becomes a c+, but in the same step another c becomes sp3, (it was carrying an h from the start, and it now has the e attached). This h on the sp3 carbon is ideal for deprotonation - returning the ring to a super stable aromatic system! A lewis complex forms between x2 and the lewis acid, this leads to a very strong electrophilic center. Once x is attached, the mechanism continues as above. Lewis complex) can serve as the base for final deprotonation. Stable carbocations (like secondary, tertiary, resonance-stabilized) can be formed from alkyl halides or in strong acid additions.
