A mechanism for the formation of paraldehyde when three equivalents of acetaldehyde react in the presence of an acid catalyst is to be proposed. Concept introduction: The acid catalyst protonates an aldehyde molecule. The nucleophilic attack of the second molecule of acetaldehyde first on the protonated acetaldehyde followed by the attack of third molecule of acetaldehyde will produce an oxonium ion that has a free hydroxyl group. The internal nucleophilic attack of the hydroxyl group followed by the loss of a proton will yield paraldehyde. To propose: A mechanism for the formation of paraldehyde when three equivalents of acetaldehyde react in the presence of an acid catalyst.

Question

Synthesize benzylamine from benzaldehyde

Answer 1

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 19.SE, Problem 44MP

Interpretation Introduction

Interpretation:

A mechanism for the formation of paraldehyde when three equivalents of acetaldehyde react in the presence of an acid catalyst is to be proposed.

Concept introduction:

The acid catalyst protonates an aldehyde molecule. The nucleophilic attack of the second molecule of acetaldehyde first on the protonated acetaldehyde followed by the attack of third molecule of acetaldehyde will produce an oxonium ion that has a free hydroxyl group. The internal nucleophilic attack of the hydroxyl group followed by the loss of a proton will yield paraldehyde.

To propose:

A mechanism for the formation of paraldehyde when three equivalents of acetaldehyde react in the presence of an acid catalyst.

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Synthesize benzylamine from benzaldehyde

Bisphenol A is made on a large scale by a condensation of phenol with acetone. Suggest an appropriate catalyst, and propose a mechanism for this reaction.

Propose a mechanism for the reaction of bisphenol A with phosgene.

Answer 2

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 19.SE, Problem 44MP

Interpretation Introduction

Interpretation:

A mechanism for the formation of paraldehyde when three equivalents of acetaldehyde react in the presence of an acid catalyst is to be proposed.

Concept introduction:

The acid catalyst protonates an aldehyde molecule. The nucleophilic attack of the second molecule of acetaldehyde first on the protonated acetaldehyde followed by the attack of third molecule of acetaldehyde will produce an oxonium ion that has a free hydroxyl group. The internal nucleophilic attack of the hydroxyl group followed by the loss of a proton will yield paraldehyde.

To propose:

A mechanism for the formation of paraldehyde when three equivalents of acetaldehyde react in the presence of an acid catalyst.

Expert Solution & Answer

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See solution

Check out sample textbook solution

Answer 3

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 19.SE, Problem 44MP

Interpretation Introduction

Interpretation:

A mechanism for the formation of paraldehyde when three equivalents of acetaldehyde react in the presence of an acid catalyst is to be proposed.

Concept introduction:

The acid catalyst protonates an aldehyde molecule. The nucleophilic attack of the second molecule of acetaldehyde first on the protonated acetaldehyde followed by the attack of third molecule of acetaldehyde will produce an oxonium ion that has a free hydroxyl group. The internal nucleophilic attack of the hydroxyl group followed by the loss of a proton will yield paraldehyde.

To propose:

A mechanism for the formation of paraldehyde when three equivalents of acetaldehyde react in the presence of an acid catalyst.

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

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 19.SE, Problem 44MP

Interpretation Introduction