The missing compounds A through D are to be supplied. Concept introduction: The starting amide undergoes hydrolysis to produce carboxylic acid, A . Diazomethane converts the carboxylic acid to a methyl ester. This methyl ester is reduced by the reducing agent DIBAH B to an aldehyde . This aldehyde undergoes direct addition by Grignard reagent to make alcohol C . The alcohol is then deprotonated to make the alkoxide anion, which is then acylated with acetic anhydride, yielding the target compound D .

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 20, Problem 20.63P

Interpretation Introduction

Interpretation:

The missing compounds A through D are to be supplied.

Concept introduction:

The starting amide undergoes hydrolysis to produce carboxylic acid, A. Diazomethane converts the carboxylic acid to a methyl ester. This methyl ester is reduced by the reducing agent DIBAH B to an aldehyde. This aldehyde undergoes direct addition by Grignard reagent to make alcohol C. The alcohol is then deprotonated to make the alkoxide anion, which is then acylated with acetic anhydride, yielding the target compound D.

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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 aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 20, Problem 20.63P

Interpretation Introduction

Interpretation:

The missing compounds A through D are to be supplied.

Concept introduction:

The starting amide undergoes hydrolysis to produce carboxylic acid, A. Diazomethane converts the carboxylic acid to a methyl ester. This methyl ester is reduced by the reducing agent DIBAH B to an aldehyde. This aldehyde undergoes direct addition by Grignard reagent to make alcohol C. The alcohol is then deprotonated to make the alkoxide anion, which is then acylated with acetic anhydride, yielding the target compound D.

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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 aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 20, Problem 20.63P

Interpretation Introduction

Interpretation:

The missing compounds A through D are to be supplied.

Concept introduction:

The starting amide undergoes hydrolysis to produce carboxylic acid, A. Diazomethane converts the carboxylic acid to a methyl ester. This methyl ester is reduced by the reducing agent DIBAH B to an aldehyde. This aldehyde undergoes direct addition by Grignard reagent to make alcohol C. The alcohol is then deprotonated to make the alkoxide anion, which is then acylated with acetic anhydride, yielding the target compound D.

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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 aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 20, Problem 20.63P

Interpretation Introduction