Exam 26: Carbon-Carbon Bond Forming Reactions in Organic Synthesis

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What do the Suzuki reaction, the Heck reaction, and the organocuprate reaction all have in common when they react with an alkyl halide?

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Question 1

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Coupling reactions with vinyl halides are stereospecific.Which choice below best describes the expected product when trans-1-bromo-1-hexene reacts with (CH₃)₂CuLi?

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Question 2

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What would be the major organic product of the following Heck reaction?

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Question 3

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As shown below, when cis-2-butene reacts with dichlorocarbene, only the cis-1,1-dichloro-2,3-dimethylcyclopropane is formed.What can we conclude about the nature of the reaction mechanism?

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Question 4

What is the major organic product of the following reaction?

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Question 5

Identify the major organic product of the following reaction.

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Question 6

Which class of compounds listed below does not react with organocuprate reagents to form a coupling product that contains a new carbon-carbon bond?

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Question 7

Which of the following correctly describes a reaction yielding a dichorocarbene?

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Question 8

What is the appropriate sequence of reagents that will produce the target molecule shown below from ethylbenzene?

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Question 9

Many of the reactions studied in this chapter are stereospecific.Why are stereospecific reactions important?

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Question 10

What is the major organic product of the following reaction?

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Question 11

Identify the major organic product of the following reaction.

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Question 12

Identify the structure of the organic product Y formed in the following reaction sequence.

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Question 13

Identify the structure of the major organic product that results from the following reaction.

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Question 14

What is the appropriate sequence of starting material and reagents that will produce the target molecule shown below?

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Question 15

Dichlorocarbene reacts with an alkene to form a cyclopropane derivative.In this reaction the dichlorocarbene acts as a(n)

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Question 16

Which of the reactions listed below is not stereospecific?

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Question 17

Which of the following descriptions does not apply to methylene?

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Question 18

Choose the statement below that is not true about the Suzuki reaction.

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Question 19

Identify the structure of the major organic product that results from the following reaction.

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Question 20

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Exam 26: Carbon-Carbon Bond Forming Reactions in Organic Synthesis

What do the Suzuki reaction, the Heck reaction, and the organocuprate reaction all have in common when they react with an alkyl halide?

Coupling reactions with vinyl halides are stereospecific.Which choice below best describes the expected product when trans-1-bromo-1-hexene reacts with (CH3)2CuLi?

What would be the major organic product of the following Heck reaction?

As shown below, when cis-2-butene reacts with dichlorocarbene, only the cis-1,1-dichloro-2,3-dimethylcyclopropane is formed.What can we conclude about the nature of the reaction mechanism?

What is the major organic product of the following reaction?

Identify the major organic product of the following reaction.

Which class of compounds listed below does not react with organocuprate reagents to form a coupling product that contains a new carbon-carbon bond?

Which of the following correctly describes a reaction yielding a dichorocarbene?

What is the appropriate sequence of reagents that will produce the target molecule shown below from ethylbenzene?

Many of the reactions studied in this chapter are stereospecific.Why are stereospecific reactions important?

What is the major organic product of the following reaction?

Identify the major organic product of the following reaction.

Identify the structure of the organic product Y formed in the following reaction sequence.

Identify the structure of the major organic product that results from the following reaction.

What is the appropriate sequence of starting material and reagents that will produce the target molecule shown below?

Dichlorocarbene reacts with an alkene to form a cyclopropane derivative.In this reaction the dichlorocarbene acts as a(n)

Which of the reactions listed below is not stereospecific?

Which of the following descriptions does not apply to methylene?

Choose the statement below that is not true about the Suzuki reaction.

Identify the structure of the major organic product that results from the following reaction.

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols, Ethers, and Related Compounds

Alkenes

Alkynes

Oxidation and Reduction

Mass Spectrometry and Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Radical Reactions

Conjugation, Resonance, and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Carboxylic Acids and the Acidity of the O-H Bond

Introduction to Carbonyl Chemistry;

Aldehydes and Ketones Nucleophilic Addition

Carboxylic Acids and Derivatives

Substitution Reactions of Carbonyl Compounds at the Alpha-Carbon

Carbonyl Condensation Reactions

Amines

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

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Coupling reactions with vinyl halides are stereospecific.Which choice below best describes the expected product when trans-1-bromo-1-hexene reacts with (CH₃)₂CuLi?