(a) Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form. Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.

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Answer 1

Question

Chapter 28, Problem 28.38P

Interpretation Introduction

(a)

Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form.

Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.

Interpretation Introduction

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

Interpretation Introduction

(c)

Interpretation: The anomer of given monosaccharide is to be labeled as α or β.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre. The anomeric centre is labeled by α or β.

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Students have asked these similar questions

a) Draw Haworth projections of both - and -anomers of D-fructose. Indicate which carbon is the anomeric carbon.b) Sucrose is a disaccharide made up of a molecule of D-fructose and D-glucose. Draw the structure of sucrose clearly indicating the linkage between the two monosaccharides and its biological significance.c) Tollen’s reagent is a very mild oxidizing agent which normally oxidize aldehydes but not ketones. However, both glucose and fructose give positive results with Tollen’s reagent and are classified as reducing sugars. Explain how fructose can also give positive results with Tollen’s reagent (illustrate using structures).

(A) Is the trisaccharide a reducing sugar? (B) Identify the type of glycosidic linkage of the colored bond.

Answer 2

Question

Chapter 28, Problem 28.38P

Interpretation Introduction

(a)

Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form.

Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.

Interpretation Introduction

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

Interpretation Introduction

(c)

Interpretation: The anomer of given monosaccharide is to be labeled as α or β.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre. The anomeric centre is labeled by α or β.

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Answer 3

Question

Chapter 28, Problem 28.38P

Interpretation Introduction

(a)

Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form.

Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.

Interpretation Introduction

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

Interpretation Introduction

(c)

Interpretation: The anomer of given monosaccharide is to be labeled as α or β.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre. The anomeric centre is labeled by α or β.

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Answer 4

Question

Chapter 28, Problem 28.38P

Interpretation Introduction

(a)

Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form.

Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.

Interpretation Introduction

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

Interpretation Introduction

(c)

Interpretation: The anomer of given monosaccharide is to be labeled as α or β.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre. The anomeric centre is labeled by α or β.

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Answer 5

Chapter 28, Problem 28.38P

Interpretation Introduction

(a)

Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form.

Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.

Interpretation Introduction

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

Interpretation Introduction

(c)

Interpretation: The anomer of given monosaccharide is to be labeled as α or β.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre. The anomeric centre is labeled by α or β.

Answer 6

Chapter 28, Problem 28.38P

Interpretation Introduction

(a)

Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form.

Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.

Answer 7

Chapter 28, Problem 28.38P

Interpretation Introduction

(a)

Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form.

Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.

Answer 8

Interpretation Introduction

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

Answer 9

Interpretation Introduction

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

Answer 10

Interpretation Introduction

(c)

Interpretation: The anomer of given monosaccharide is to be labeled as α or β.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre. The anomeric centre is labeled by α or β.

Answer 11

Interpretation Introduction

(c)

Interpretation: The anomer of given monosaccharide is to be labeled as α or β.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre. The anomeric centre is labeled by α or β.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 28 - Prob. 28.1P Ch. 28 - Prob. 28.2P Ch. 28 - Label each stereogenic center as R or S. a. b. c....Ch. 28 - Convert the ball-and-stick model to a Fischer...Ch. 28 - Prob. 28.5P Ch. 28 - Prob. 28.6P Ch. 28 - Prob. 28.7P Ch. 28 - Prob. 28.8P Ch. 28 - Prob. 28.9P Ch. 28 - Prob. 28.10P

Solution Summary: The author explains the Fischer projection of given cyclic monosaccharides A and B. The stereogenic centre is located at intersection of the two lines.

Concept explainers

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

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Chapter 28 Solutions

Solution Summary: The author explains the Fischer projection of given cyclic monosaccharides A and B. The stereogenic centre is located at intersection of the two lines.

Concept explainers

(b) Interpretation: The name of the given monosaccharide is to be predicted. Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.

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Chapter 28 Solutions

(b)

Interpretation: The name of the given monosaccharide is to be predicted.

Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at C1 in aldoses and at C2 in ketoses. These carbon atoms are called anomeric centre.