Robinson Annulation: Michael Addition + Aldol to Build Rings
Learn the Robinson annulation step-by-step: Michael addition to form a 1,5‑dicarbonyl, then intramolecular aldol condensation to build a cyclohexenone. Includes practice + key traps.
Two-part sequence: (1) Michael addition → (2) Intramolecular aldol condensation
Product motif: Cyclohexenone (often)
Key intermediate: 1,5‑dicarbonyl
Big exam skill: Recognize when a Michael donor + acceptor can cyclize via aldol