The reagents used to obtain aldol condensation product should be known. Concept introduction: Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are, Deprotonation of α carbon Attach of enolate ion with the aldehyde ( nucleophilic attack ) Protonation of the alkoxide ion to give aldol product Dehydration of the aldol addition product to form conjugated enone (aldol condensation product) Please note that aldol condensation product is formed at higher temperature . Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions. To identify : The starting materials for aldol condensation product given.

Question

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Answer 1

Question

Chapter 21, Problem 63PP

(a)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(b)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(c)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(d)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

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Answer 2

Question

Chapter 21, Problem 63PP

(a)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(b)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(c)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(d)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Expert Solution & Answer

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Answer 3

Question

Chapter 21, Problem 63PP

(a)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(b)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(c)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(d)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Expert Solution & Answer

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Answer 4

Question

Chapter 21, Problem 63PP

(a)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(b)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(c)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(d)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 21, Problem 63PP

(a)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(b)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(c)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

(d)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 6

Chapter 21, Problem 63PP

(a)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 7

Chapter 21, Problem 63PP

(a)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The reagents used to obtain aldol condensation product should be known.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of α carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

Please note that aldol condensation product is formed at higher temperature.

Note : Simple way to find the starting materials for aldol condensation product instead of writing the entire mechanism is to find the carbon-carbon double bond in the product. Break the bond and add oxygen to the β position and two hydrogens to the α positions.

To identify : The starting materials for aldol condensation product given.

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

Ch. 21.1 - Prob. 1CC Ch. 21.1 - Prob. 2CC Ch. 21.1 - Prob. 3CC Ch. 21.1 - Prob. 1LTS Ch. 21.1 - Prob. 4PTS Ch. 21.1 - Prob. 5ATS Ch. 21.1 - Prob. 6CC Ch. 21.1 - Prob. 7CC Ch. 21.2 - Prob. 8CC Ch. 21.2 - Prob. 9CC

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Chapter 21 Solutions