The hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information. Concept Introduction: In Killiani-Fisher synthesis, hydrogen cyanide attacks the carbonyl group. The carbonyl carbon is converted to an asymmetric center. The C ≡ N bond is reduced to an imine which is partially deactivated by palladium catalyst to prevent the reduction of imine to an amine . The two imines are hydrolyzed to two aldoses.

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Answer 1

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Chapter 20, Problem 46P

Interpretation Introduction

Interpretation:

The hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information.

Concept Introduction:

In Killiani-Fisher synthesis, hydrogen cyanide attacks the carbonyl group. The carbonyl carbon is converted to an asymmetric center. The C≡N bond is reduced to an imine which is partially deactivated by palladium catalyst to prevent the reduction of imine to an amine. The two imines are hydrolyzed to two aldoses.

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Answer 2

Question

Chapter 20, Problem 46P

Interpretation Introduction

Interpretation:

The hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information.

Concept Introduction:

In Killiani-Fisher synthesis, hydrogen cyanide attacks the carbonyl group. The carbonyl carbon is converted to an asymmetric center. The C≡N bond is reduced to an imine which is partially deactivated by palladium catalyst to prevent the reduction of imine to an amine. The two imines are hydrolyzed to two aldoses.

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Answer 3

Question

Chapter 20, Problem 46P

Interpretation Introduction

Interpretation:

The hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information.

Concept Introduction:

In Killiani-Fisher synthesis, hydrogen cyanide attacks the carbonyl group. The carbonyl carbon is converted to an asymmetric center. The C≡N bond is reduced to an imine which is partially deactivated by palladium catalyst to prevent the reduction of imine to an amine. The two imines are hydrolyzed to two aldoses.

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Answer 4

Question

Chapter 20, Problem 46P

Interpretation Introduction

Interpretation:

The hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information.

Concept Introduction:

In Killiani-Fisher synthesis, hydrogen cyanide attacks the carbonyl group. The carbonyl carbon is converted to an asymmetric center. The C≡N bond is reduced to an imine which is partially deactivated by palladium catalyst to prevent the reduction of imine to an amine. The two imines are hydrolyzed to two aldoses.

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Answer 5

Chapter 20, Problem 46P

Interpretation Introduction

Interpretation:

The hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information.

Concept Introduction:

In Killiani-Fisher synthesis, hydrogen cyanide attacks the carbonyl group. The carbonyl carbon is converted to an asymmetric center. The C≡N bond is reduced to an imine which is partially deactivated by palladium catalyst to prevent the reduction of imine to an amine. The two imines are hydrolyzed to two aldoses.

Answer 6

Chapter 20, Problem 46P

Interpretation Introduction

Interpretation:

The hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information.

Concept Introduction:

In Killiani-Fisher synthesis, hydrogen cyanide attacks the carbonyl group. The carbonyl carbon is converted to an asymmetric center. The C≡N bond is reduced to an imine which is partially deactivated by palladium catalyst to prevent the reduction of imine to an amine. The two imines are hydrolyzed to two aldoses.

Answer 7

Chapter 20, Problem 46P

Interpretation Introduction

Interpretation:

The hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information.

Concept Introduction:

In Killiani-Fisher synthesis, hydrogen cyanide attacks the carbonyl group. The carbonyl carbon is converted to an asymmetric center. The C≡N bond is reduced to an imine which is partially deactivated by palladium catalyst to prevent the reduction of imine to an amine. The two imines are hydrolyzed to two aldoses.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 20.1 - Prob. 1P Ch. 20.2 - Prob. 2P Ch. 20.2 - Prob. 3P Ch. 20.3 - Prob. 4P Ch. 20.3 - Prob. 5P Ch. 20.3 - Prob. 6P Ch. 20.4 - Prob. 7P Ch. 20.4 - Prob. 8P Ch. 20.5 - Prob. 9P Ch. 20.5 - Prob. 10P

Solution Summary: The author explains that the hexose obtained after three successive Killiani-Fisher synthesis of (+)-glyceraldehyde is to be predicted on the basis of given information.

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