Quiz | Ester Enolates and the Claisen Condensation

1

Which of the following compounds is the most acidic?

β-Diketone

β-Diester

β-Dinitrile

β-Carbonyl-ester

2

What is the first step of a Claisen condensation?

Nucleophilic addition on the carbon

Electrophilic addition on the oxygen

Ester enolate formation

Protonation upon acidic condition

3

What is the product of the Claisen reaction between an ester and a ketone?

β-Diketone

β-Diester

β-Carbonyl-ester

β-Carboxylic acid-ester

4

What are the products of a 3-ketoacid decarboxylation?

β-Diketone

Ketone + CO2

Ester + CO2

Carboxylic acid + CO2

5

What is the product of the malonic ester synthesis?

β-Diketone

Ketone

Ester

Carboxylic Acid

6

Which of the following reagents reacts like the β-Diesters during a Michael addition?

RLi

RMgBr

R2CuLi

All of the above

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