Q22P

Question

How would you prepare the following compound using a Robinson annulation reaction between a 𝛃-diketone and an𝛂, 𝛃 -unsaturated ketone? Draw the structures of both reactants and the intermediate Michael addition product

Step-by-Step Solution

Verified
Answer

The given compound is formed by using the Michael addition reaction.

1Reaction

After analyzing the given compound, we find that this is a Michael addition reaction and the addition is taking place between two ketone compounds, and the formation of intermediate occurs as follows:



2After heating the compound, a water molecule is removed and desired product is formed: