The Robinson annulation is a chemical reaction used in organic chemistry for ring formation. It was discovered by Robert Robinson in 1935 as a method to create a six membered ring by forming three new carbon–carbon bonds.

Why is the Robinson annulation important?

The Robinson annulation is a chemical reaction used in organic chemistry for ring formation. ... Formation of cyclohexenone and derivatives are important in chemistry for their application to the synthesis of many natural products and other interesting organic compounds such as antibiotics and steroids.

What is the difference between Michael addition and Robinson annulation?

The key difference between Michael addition and Robinson annulation is that Michael addition forms an aliphatic compound, whereas Robinson annulation forms a ring structure. Overall, Michael addition and Robinson annulation are organic synthesis reactions.