(a) Interpretation: Detailed mechanism and major product for the following reaction is to be proposed. Concept introduction: LiAlH 4 is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and their derivatives. LiAlH 4 can reduce carboxylic acid to primary alcohol due to its greater reactivity while NaBH 4 cannot. Carboxylic, which is alike other acid, derivatives undergo proton transfer due to the presence of acidic hydrogen.

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Answer 1

Question

Chapter 20, Problem 20.18P

Interpretation Introduction

(a)

Interpretation:

Detailed mechanism and major product for the following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and their derivatives. LiAlH₄ can reduce carboxylic acid to primary alcohol due to its greater reactivity while NaBH₄ cannot. Carboxylic, which is alike other acid, derivatives undergo proton transfer due to the presence of acidic hydrogen.

Interpretation Introduction

(b)

Interpretation:

Detailed mechanism and major product for following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and amides in nucleophilic addition-elimination reaction. LiAlH₄ can reduce amide to amine without disturbing the carbon backbone of the original compound.

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Answer 2

Question

Chapter 20, Problem 20.18P

Interpretation Introduction

(a)

Interpretation:

Detailed mechanism and major product for the following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and their derivatives. LiAlH₄ can reduce carboxylic acid to primary alcohol due to its greater reactivity while NaBH₄ cannot. Carboxylic, which is alike other acid, derivatives undergo proton transfer due to the presence of acidic hydrogen.

Interpretation Introduction

(b)

Interpretation:

Detailed mechanism and major product for following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and amides in nucleophilic addition-elimination reaction. LiAlH₄ can reduce amide to amine without disturbing the carbon backbone of the original compound.

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Answer 3

Question

Chapter 20, Problem 20.18P

Interpretation Introduction

(a)

Interpretation:

Detailed mechanism and major product for the following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and their derivatives. LiAlH₄ can reduce carboxylic acid to primary alcohol due to its greater reactivity while NaBH₄ cannot. Carboxylic, which is alike other acid, derivatives undergo proton transfer due to the presence of acidic hydrogen.

Interpretation Introduction

(b)

Interpretation:

Detailed mechanism and major product for following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and amides in nucleophilic addition-elimination reaction. LiAlH₄ can reduce amide to amine without disturbing the carbon backbone of the original compound.

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Answer 4

Question

Chapter 20, Problem 20.18P

Interpretation Introduction

(a)

Interpretation:

Detailed mechanism and major product for the following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and their derivatives. LiAlH₄ can reduce carboxylic acid to primary alcohol due to its greater reactivity while NaBH₄ cannot. Carboxylic, which is alike other acid, derivatives undergo proton transfer due to the presence of acidic hydrogen.

Interpretation Introduction

(b)

Interpretation:

Detailed mechanism and major product for following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and amides in nucleophilic addition-elimination reaction. LiAlH₄ can reduce amide to amine without disturbing the carbon backbone of the original compound.

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Answer 5

Chapter 20, Problem 20.18P

Interpretation Introduction

(a)

Interpretation:

Detailed mechanism and major product for the following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and their derivatives. LiAlH₄ can reduce carboxylic acid to primary alcohol due to its greater reactivity while NaBH₄ cannot. Carboxylic, which is alike other acid, derivatives undergo proton transfer due to the presence of acidic hydrogen.

Interpretation Introduction

(b)

Interpretation:

Detailed mechanism and major product for following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and amides in nucleophilic addition-elimination reaction. LiAlH₄ can reduce amide to amine without disturbing the carbon backbone of the original compound.

Answer 6

Chapter 20, Problem 20.18P

Interpretation Introduction

(a)

Interpretation:

Detailed mechanism and major product for the following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and their derivatives. LiAlH₄ can reduce carboxylic acid to primary alcohol due to its greater reactivity while NaBH₄ cannot. Carboxylic, which is alike other acid, derivatives undergo proton transfer due to the presence of acidic hydrogen.

Answer 7

Chapter 20, Problem 20.18P

Interpretation Introduction

(a)

Interpretation:

Detailed mechanism and major product for the following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and their derivatives. LiAlH₄ can reduce carboxylic acid to primary alcohol due to its greater reactivity while NaBH₄ cannot. Carboxylic, which is alike other acid, derivatives undergo proton transfer due to the presence of acidic hydrogen.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Detailed mechanism and major product for following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and amides in nucleophilic addition-elimination reaction. LiAlH₄ can reduce amide to amine without disturbing the carbon backbone of the original compound.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Detailed mechanism and major product for following reaction is to be proposed.

Concept introduction:

LiAlH₄ is a strong reducing agent having hydride ion as active electron rich species. Hydride ions are excellent nucleophiles but poor leaving groups. However, they can still react with acids and amides in nucleophilic addition-elimination reaction. LiAlH₄ can reduce amide to amine without disturbing the carbon backbone of the original compound.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 20 - Prob. 20.1P Ch. 20 - Prob. 20.2P Ch. 20 - Prob. 20.3P Ch. 20 - Prob. 20.4P Ch. 20 - Prob. 20.5P Ch. 20 - Prob. 20.6P Ch. 20 - Prob. 20.7P Ch. 20 - Prob. 20.8P Ch. 20 - Prob. 20.9P Ch. 20 - Prob. 20.10P

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Chapter 20 Solutions