Q.42. - Organic Chemistry

Question

Question: Draw the product formed from a Michael reaction with the given starting materials using $\mathit{O}\mathit{E}\mathit{t}\mathbf{,}\mathbf{ }\mathit{E}\mathit{t}\mathit{O}\mathit{H}$ .

Step-by-Step Solution

Answer

Answer

 

Step 1: Michael reaction

The Michael reaction is a 1,4-addition reaction involving an enolate and an α,β-unsaturated carbonyl system. 

The enolates act as the nucleophiles, and the α,β-unsaturated carbonyl system is known as the Michael acceptor.

Step 2: Mechanism of Michael reaction

The general reaction is given below.

Michael reaction

 

The mechanism of the reaction is given below.

Mechanism of Michael reaction

Step 3: Determination of products

The Michael acceptor and nucleophilic source are marked, and the product of each reaction is given below.

  

a.

Michael addition of a

 

b.

Michael addition of b