Lactones, Lactams and Cyclization Reactions

22. Carboxylic Acid Derivatives: NAS / Lactones, Lactams and Cyclization Reactions / 문제 3

문제 3

Give the structures of the products and suggest a plausible mechanism for the reaction shown below.

Mechanism steps for lactone formation with arrows indicating electron movement.

Detailed mechanism for lactam formation with electron flow arrows.

Alternative mechanism for lactam formation showing electron movement.

Another representation of the lactam formation mechanism with electron arrows.