The mechanism showing conversion of α-D-allopyranose to α-D-allofuranose under acidic conditions is to be drawn. Concept introduction: The electron rich O atom acts as nucleophile, and the C atom in C-O acts as electrophile in α-D-allopyranose . The attack of nucleophile from top pushes the OH group on the opposite side, resulting in the formation of α-anomer .

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Answer 1

Question

Chapter 18, Problem 18.78P

Interpretation Introduction

Interpretation:

The mechanism showing conversion of α-D-allopyranose to α-D-allofuranose under acidic conditions is to be drawn.

Concept introduction:

The electron rich O atom acts as nucleophile, and the C atom in C-O acts as electrophile in α-D-allopyranose.

The attack of nucleophile from top pushes the OH group on the opposite side, resulting in the formation of α-anomer.

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Answer 2

Question

Chapter 18, Problem 18.78P

Interpretation Introduction

Interpretation:

The mechanism showing conversion of α-D-allopyranose to α-D-allofuranose under acidic conditions is to be drawn.

Concept introduction:

The electron rich O atom acts as nucleophile, and the C atom in C-O acts as electrophile in α-D-allopyranose.

The attack of nucleophile from top pushes the OH group on the opposite side, resulting in the formation of α-anomer.

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Answer 3

Question

Chapter 18, Problem 18.78P

Interpretation Introduction

Interpretation:

The mechanism showing conversion of α-D-allopyranose to α-D-allofuranose under acidic conditions is to be drawn.

Concept introduction:

The electron rich O atom acts as nucleophile, and the C atom in C-O acts as electrophile in α-D-allopyranose.

The attack of nucleophile from top pushes the OH group on the opposite side, resulting in the formation of α-anomer.

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Answer 4

Question

Chapter 18, Problem 18.78P

Interpretation Introduction

Interpretation:

The mechanism showing conversion of α-D-allopyranose to α-D-allofuranose under acidic conditions is to be drawn.

Concept introduction:

The electron rich O atom acts as nucleophile, and the C atom in C-O acts as electrophile in α-D-allopyranose.

The attack of nucleophile from top pushes the OH group on the opposite side, resulting in the formation of α-anomer.

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Answer 5

Chapter 18, Problem 18.78P

Interpretation Introduction

Interpretation:

The mechanism showing conversion of α-D-allopyranose to α-D-allofuranose under acidic conditions is to be drawn.

Concept introduction:

The electron rich O atom acts as nucleophile, and the C atom in C-O acts as electrophile in α-D-allopyranose.

The attack of nucleophile from top pushes the OH group on the opposite side, resulting in the formation of α-anomer.

Answer 6

Chapter 18, Problem 18.78P

Interpretation Introduction

Interpretation:

The mechanism showing conversion of α-D-allopyranose to α-D-allofuranose under acidic conditions is to be drawn.

Concept introduction:

The electron rich O atom acts as nucleophile, and the C atom in C-O acts as electrophile in α-D-allopyranose.

The attack of nucleophile from top pushes the OH group on the opposite side, resulting in the formation of α-anomer.

Answer 7

Chapter 18, Problem 18.78P

Interpretation Introduction

Interpretation:

The mechanism showing conversion of α-D-allopyranose to α-D-allofuranose under acidic conditions is to be drawn.

Concept introduction:

The electron rich O atom acts as nucleophile, and the C atom in C-O acts as electrophile in α-D-allopyranose.

The attack of nucleophile from top pushes the OH group on the opposite side, resulting in the formation of α-anomer.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 18 - Prob. 18.1P Ch. 18 - Prob. 18.2P Ch. 18 - Prob. 18.3P Ch. 18 - Prob. 18.4P Ch. 18 - Prob. 18.5P Ch. 18 - Prob. 18.6P Ch. 18 - Prob. 18.7P Ch. 18 - Prob. 18.8P Ch. 18 - Prob. 18.9P Ch. 18 - Prob. 18.10P

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Chapter 18 Solutions