Describe the Michael addition. Conjugate addition of a carbanion to double bond

Question

Describe the Michael addition. Conjugate addition of a carbanion to double bond of an alpha, beta -unsaturated carbonyl compound 1, 2-Addition of a nucleophile to an alpha, beta -unsaturated carbonyl compound alpha -Addition of a nucleophile to an alpha, beta -unsaturated carbonyl compound 1, 3-Addition of a carbanion to double bond of an alpha, beta -unsaturated carbonyl compound Give the product of a Dieckmann condensation. beta-Diketone Cycloalkenone alpha, beta-Unsaturated aldehyde Cyclic beta-keto ester Write down the product

Explanation / Answer

7. Answer:- a

Michael addition is an example of 1,4- addition of nucleophile to alpha, beta-unsaturated carbonyl Compounds. It is also known as conjugate Addition of nucleophile to carbonyl Compounds in conjugation with double bond.

8. Answer:- d

Dieckman condensation/cyclization is nothing but intramolecular claisen condensation in esters resulting in formation of cyclic product which are called cyclic beta-ketoester.

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