For each reaction, the structural formula of the product is to be written. Concept introduction: An aldol reaction with two different carbonyl compounds is termed as crossed aldol reaction. In crossed aldol condensation, weak bases such as hydroxide or alkoxide are used in protic solvent. In directed aldol reaction, a strong base such as LDA in an aprotic solvent is used. Claisen condensation is a carbon-carbon bond forming reaction and important for preparing β − Keto ester . In Claisen condensation, the ester of one molecule adds to the carbonyl carbon of another molecule and the formation of β − Keto ester takes place. When one ester molecule has no alpha hydrogen, then crossed Claisen condensation occurs. The intramolecular version is known as dieckmann condensation. Claisen condensation is a reversible reaction.

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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 19, Problem 23P

Interpretation Introduction

Interpretation:

For each reaction, the structural formula of the product is to be written.

Concept introduction:

An aldol reaction with two different carbonyl compounds is termed as crossed aldol reaction.

In crossed aldol condensation, weak bases such as hydroxide or alkoxide are used in protic solvent.

In directed aldol reaction, a strong base such as LDA in an aprotic solvent is used.

Claisen condensation is a carbon-carbon bond forming reaction and important for preparing β−Keto ester.

In Claisen condensation, the ester of one molecule adds to the carbonyl carbon of another molecule and the formation of β−Keto ester takes place.

When one ester molecule has no alpha hydrogen, then crossed Claisen condensation occurs.

The intramolecular version is known as dieckmann condensation.

Claisen condensation is a reversible reaction.

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Answer 2

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 19, Problem 23P

Interpretation Introduction

Interpretation:

For each reaction, the structural formula of the product is to be written.

Concept introduction:

An aldol reaction with two different carbonyl compounds is termed as crossed aldol reaction.

In crossed aldol condensation, weak bases such as hydroxide or alkoxide are used in protic solvent.

In directed aldol reaction, a strong base such as LDA in an aprotic solvent is used.

Claisen condensation is a carbon-carbon bond forming reaction and important for preparing β−Keto ester.

In Claisen condensation, the ester of one molecule adds to the carbonyl carbon of another molecule and the formation of β−Keto ester takes place.

When one ester molecule has no alpha hydrogen, then crossed Claisen condensation occurs.

The intramolecular version is known as dieckmann condensation.

Claisen condensation is a reversible reaction.

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Check out a sample textbook solution

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Answer 3

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 19, Problem 23P

Interpretation Introduction

Interpretation:

For each reaction, the structural formula of the product is to be written.

Concept introduction:

An aldol reaction with two different carbonyl compounds is termed as crossed aldol reaction.

In crossed aldol condensation, weak bases such as hydroxide or alkoxide are used in protic solvent.

In directed aldol reaction, a strong base such as LDA in an aprotic solvent is used.

Claisen condensation is a carbon-carbon bond forming reaction and important for preparing β−Keto ester.

In Claisen condensation, the ester of one molecule adds to the carbonyl carbon of another molecule and the formation of β−Keto ester takes place.

When one ester molecule has no alpha hydrogen, then crossed Claisen condensation occurs.

The intramolecular version is known as dieckmann condensation.

Claisen condensation is a reversible reaction.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

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 19, Problem 23P

Interpretation Introduction