The best structure for substrate A should be chosen. Concept introduction: The carbonyl bond is polar with partial postive charge on carbon and partial negative charge on oxygen as illustrated below. Thus it can undergo hydride addition at carbon and proton addition at oxygen. Certain reagents that are useful for such hydride addition at carbonyl carbon include NaBH 4 , LiAlH 4 .The boron and lithium in these reagents tend to push the electron of B-H bond towards carbonyl carbon as illustrated below.

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Answer 1

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Chapter 8, Problem 65P

Interpretation Introduction

Interpretation:The best structure for substrate A should be chosen.

Concept introduction:The carbonyl bond is polar with partial postive charge on carbon and partial negative charge on oxygen as illustrated below.

Thus it can undergo hydride addition at carbon and proton addition at oxygen. Certain reagents that are useful for such hydride addition at carbonyl carbon include NaBH4 , LiAlH4 .The boron and lithium in these reagents tend to push the electron of B-H bond towards carbonyl carbon as illustrated below.

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Answer 2

Question

Chapter 8, Problem 65P

Interpretation Introduction

Interpretation:The best structure for substrate A should be chosen.

Concept introduction:The carbonyl bond is polar with partial postive charge on carbon and partial negative charge on oxygen as illustrated below.

Thus it can undergo hydride addition at carbon and proton addition at oxygen. Certain reagents that are useful for such hydride addition at carbonyl carbon include NaBH4 , LiAlH4 .The boron and lithium in these reagents tend to push the electron of B-H bond towards carbonyl carbon as illustrated below.

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Answer 3

Question

Chapter 8, Problem 65P

Interpretation Introduction

Interpretation:The best structure for substrate A should be chosen.

Concept introduction:The carbonyl bond is polar with partial postive charge on carbon and partial negative charge on oxygen as illustrated below.

Thus it can undergo hydride addition at carbon and proton addition at oxygen. Certain reagents that are useful for such hydride addition at carbonyl carbon include NaBH4 , LiAlH4 .The boron and lithium in these reagents tend to push the electron of B-H bond towards carbonyl carbon as illustrated below.

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Answer 4

Question

Chapter 8, Problem 65P

Interpretation Introduction

Interpretation:The best structure for substrate A should be chosen.

Concept introduction:The carbonyl bond is polar with partial postive charge on carbon and partial negative charge on oxygen as illustrated below.

Thus it can undergo hydride addition at carbon and proton addition at oxygen. Certain reagents that are useful for such hydride addition at carbonyl carbon include NaBH4 , LiAlH4 .The boron and lithium in these reagents tend to push the electron of B-H bond towards carbonyl carbon as illustrated below.

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Answer 5

Chapter 8, Problem 65P

Interpretation Introduction

Interpretation:The best structure for substrate A should be chosen.

Concept introduction:The carbonyl bond is polar with partial postive charge on carbon and partial negative charge on oxygen as illustrated below.

Thus it can undergo hydride addition at carbon and proton addition at oxygen. Certain reagents that are useful for such hydride addition at carbonyl carbon include NaBH4 , LiAlH4 .The boron and lithium in these reagents tend to push the electron of B-H bond towards carbonyl carbon as illustrated below.

Answer 6

Chapter 8, Problem 65P

Interpretation Introduction

Interpretation:The best structure for substrate A should be chosen.

Concept introduction:The carbonyl bond is polar with partial postive charge on carbon and partial negative charge on oxygen as illustrated below.

Thus it can undergo hydride addition at carbon and proton addition at oxygen. Certain reagents that are useful for such hydride addition at carbonyl carbon include NaBH4 , LiAlH4 .The boron and lithium in these reagents tend to push the electron of B-H bond towards carbonyl carbon as illustrated below.

Answer 7

Chapter 8, Problem 65P

Interpretation Introduction

Interpretation:The best structure for substrate A should be chosen.

Concept introduction:The carbonyl bond is polar with partial postive charge on carbon and partial negative charge on oxygen as illustrated below.

Thus it can undergo hydride addition at carbon and proton addition at oxygen. Certain reagents that are useful for such hydride addition at carbonyl carbon include NaBH4 , LiAlH4 .The boron and lithium in these reagents tend to push the electron of B-H bond towards carbonyl carbon as illustrated below.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 8.1 - Prob. 8.1E Ch. 8.1 - Prob. 8.2E Ch. 8.3 - Prob. 8.4TIY Ch. 8.3 - Prob. 8.5E Ch. 8.3 - Prob. 8.6E Ch. 8.4 - Prob. 8.7E Ch. 8.5 - Prob. 8.8E Ch. 8.5 - Prob. 8.9E Ch. 8.5 - Prob. 8.10E Ch. 8.5 - Prob. 8.11E

Solution Summary: The author explains that the best structure for substrate A is illustrated below.

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Chapter 8 Solutions