Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated. Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

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Answer 1

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 17.19, Problem 41P

(a)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(b)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone is to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(c)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

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Just try completing it and it should be straightforward according to the professor and TAs.

The grading is not on correctness, so if you can just get to the correct answers without perfectionism that would be great. They care about the steps and reasoning and that you did something. I asked for an extension, but was denied the extension.

Answer 2

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 17.19, Problem 41P

(a)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(b)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone is to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(c)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

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Answer 3

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 17.19, Problem 41P

(a)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(b)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone is to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(c)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

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Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 17.19, Problem 41P

(a)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(b)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone is to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(c)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

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Answer 5

Chapter 17.19, Problem 41P

(a)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(b)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone is to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

(c)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

Answer 6

Chapter 17.19, Problem 41P

(a)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

Answer 7

Chapter 17.19, Problem 41P

(a)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

Answer 8

(b)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone is to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

Answer 9

(b)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone is to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

Answer 10

(c)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

Answer 11

(c)

Interpretation Introduction

Interpretation: Alkyl bromide used in the acetoacetic ester synthesis of each methyl ketone has to be stated.

Concept introduction: Acetoacetic ester synthesis is used to prepare methyl ketone of the desired length. The acetoacetic ester is reacted with an alkoxide base which removes a α hydrogen atom. The anion so formed is reacted with an alkyl bromide. The anion abstracts the alkyl group from the alkyl bromide. Acidic hydrolysis of the intermediate so formed on heating undergo decarboxylation which gives the desired methyl ketone.

Answer 12

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Answer 15

Ch. 17.1 - Prob. 1P Ch. 17.1 - Prob. 2P Ch. 17.1 - Prob. 3P Ch. 17.1 - Prob. 4P Ch. 17.1 - Rank the compounds in each of the following groups...Ch. 17.2 - Explain why 92% of 2,4-pemtanedione exists as the...Ch. 17.3 - Draw the enol tautomers for each of the following...Ch. 17.3 - Prob. 8P Ch. 17.4 - Prob. 9P Ch. 17.4 - Prob. 10P

Solution Summary: The author explains that alkyl bromide is used in the acetoacetic ester synthesis of each methyl ketone.

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