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Chapter 21: Q-21-21-13P (page 701)

How could you prepare the following ketones by reaction of an acid chloride with a lithium diorganocopper reagent?

Short Answer

Expert verified

Ketones can be prepared by the reaction of acid chlorides with Gilman reagent that is organometal (Copper and lithium) compounds. The general formula of this reagent is R2CuLi.

Step by step solution

01

Formation of ketones

Ketones can be prepared by the reaction of acid chlorides with Gilman reagent that is organometal (Copper and lithium) compounds. The general formula of this reagent is R2CuLi.

02

Subpart (a) 

The structure given is 2-methyl-1-phenylpropan-1-one. It can be prepared by using

Benzoyl chloride and CH32CH2CuLi. The chemical equation is as shown below:

03

Subpart (b)

The ketone given is hex-1-ene-3-one. By using Gilman reagent it can be prepared by the following way:

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Most popular questions from this chapter

21-51 What product would you expect to obtain from Grignard reaction ofan excess of phenylmagnesium bromide with dimethyl carbonate, CH3OCO2CH3?

Write the mechanism of the reaction between p-hydroxyaniline and acetic anhydride to prepare acetaminophen.

Treatment of 5- aminopentanoic acid DCC(dicyclohexylcarbodiimide) yields a lactam. Show the structure of the product and the mechanism of the reaction.

Name the following compounds:

a.

b.

21-68 When a carboxylic acid is dissolved in isotopically labeled water, thelabel rapidly becomes incorporated into both oxygen atoms of the carboxylic acid. Explain.
R−C∥O−OH→H2OR−C∥O−OH
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