(a) Interpretation: Synthesis of the given compound from CH 3 CH 2 OH as the only starting material and other required reagents is to be devised. Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C − C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide . Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base. In presence of sodium metal in ammonia, the is alkyne is reduced to t r a n s -alkene . The addition of H 2 takes place in anti fashion to the triple bond. The mechanism involves the addition of electron followed by protonation.

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Answer 1

Question

Chapter 12, Problem 12.74P

Interpretation Introduction

(a)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

In presence of sodium metal in ammonia, the is alkyne is reduced to trans-alkene. The addition of H2 takes place in anti fashion to the triple bond. The mechanism involves the addition of electron followed by protonation.

Interpretation Introduction

(b)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Interpretation Introduction

(c)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material

and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

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Answer 2

Question

Chapter 12, Problem 12.74P

Interpretation Introduction

(a)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

In presence of sodium metal in ammonia, the is alkyne is reduced to trans-alkene. The addition of H2 takes place in anti fashion to the triple bond. The mechanism involves the addition of electron followed by protonation.

Interpretation Introduction

(b)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Interpretation Introduction

(c)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material

and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

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Answer 3

Question

Chapter 12, Problem 12.74P

Interpretation Introduction

(a)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

In presence of sodium metal in ammonia, the is alkyne is reduced to trans-alkene. The addition of H2 takes place in anti fashion to the triple bond. The mechanism involves the addition of electron followed by protonation.

Interpretation Introduction

(b)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Interpretation Introduction

(c)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material

and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

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Answer 4

Question

Chapter 12, Problem 12.74P

Interpretation Introduction

(a)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

In presence of sodium metal in ammonia, the is alkyne is reduced to trans-alkene. The addition of H2 takes place in anti fashion to the triple bond. The mechanism involves the addition of electron followed by protonation.

Interpretation Introduction

(b)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Interpretation Introduction

(c)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material

and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

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Answer 5

Chapter 12, Problem 12.74P

Interpretation Introduction

(a)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

In presence of sodium metal in ammonia, the is alkyne is reduced to trans-alkene. The addition of H2 takes place in anti fashion to the triple bond. The mechanism involves the addition of electron followed by protonation.

Interpretation Introduction

(b)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Interpretation Introduction

(c)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material

and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Answer 6

Chapter 12, Problem 12.74P

Interpretation Introduction

(a)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

In presence of sodium metal in ammonia, the is alkyne is reduced to trans-alkene. The addition of H2 takes place in anti fashion to the triple bond. The mechanism involves the addition of electron followed by protonation.

Answer 7

Chapter 12, Problem 12.74P

Interpretation Introduction

(a)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

In presence of sodium metal in ammonia, the is alkyne is reduced to trans-alkene. The addition of H2 takes place in anti fashion to the triple bond. The mechanism involves the addition of electron followed by protonation.

Answer 8

Interpretation Introduction

(b)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Answer 9

Interpretation Introduction

(b)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Answer 10

Interpretation Introduction

(c)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material

and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Answer 11

Interpretation Introduction

(c)

Interpretation: Synthesis of the given compound from CH3CH2OH as the only starting material

and other required reagents is to be devised.

Concept introduction: Terminal alkynes can be converted into internal alkynes by forming new C−C bond. This bond is formed by treatment of alkyne by strong base and alkyl halide.

Dehydrohalogenation reaction is class of reaction in which the removal of hydrogen halide takes place in presence of strong base.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 12 - Prob. 12.1P Ch. 12 - Prob. 12.2P Ch. 12 - Prob. 12.3P Ch. 12 - Prob. 12.4P Ch. 12 - Prob. 12.5P Ch. 12 - Given that syn addition of H2 occurs from both...Ch. 12 - Compound Molecular formula before...Ch. 12 - Draw the products formed when triacylglycerol A is...Ch. 12 - Prob. 12.9P Ch. 12 - Prob. 12.10P

Solution Summary: The author explains how terminal alkynes can be converted into internal hex-3-ene by forming new CC bonds.

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Chapter 12 Solutions