Question 1

Which of the following compounds is the most reactive dienophile?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and C)
F) None of the above

Question 2

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 3

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 4

Use the reaction types given below in answering the following questions relating to reaction conditions.
-______involves the use of organoboron compounds.

Accepted Answer

A)  Heck reaction
B)  Stille coupling
C)  Suzuki coupling
D)  Sonogashira coupling
E)  Alkene metathesisF) A) and C)
G) C) and E)

Question 5

Use the reaction types given below in answering the following questions relating to reaction conditions.
-______involves an interchange of alkenyl groups.

Accepted Answer

A)  Heck reaction
B)  Stille coupling
C)  Suzuki coupling
D)  Sonogashira coupling
E)  Alkene metathesisF) A) and D)
G) A) and C)

Question 6

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 7

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 8

The intermediate in a Heck reaction can be described as a tetrahedral Pd(II) species.

Accepted Answer

A) True 
 B)False

Question 9

Which term describes the following mechanistic step in the catalytic cycle of the Heck reaction?

Accepted Answer

A)  oxidative addition
B)  syn addition
C)  syn elimination
D)  reductive eliminationE) A) and B)
F) C) and D)

Question 10

Which diene can be used to prepare the following product by alkene metathesis?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) A) and B)
F) None of the above

Question 11

The following polymer segment can be produced using an olefinic metathesis reaction. To produce the polymer, the reaction is repeated many times.  The name of the reactant is__________.

Accepted Answer

The answer of The following polymer segment can be produced...

Question 12

Which of the following is the least reactive dienophile?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) All of the above
F) B) and D)

Question 13

Which of the following is not a pericyclic reaction?

Accepted Answer

A)  Cope rearrangement
B)  Claisen rearrangement
C)  Suzuki coupling
D)  Diels-Alder reactionE) All of the above
F) A) and B)

Question 14

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and D)
F) B) and C)

Question 15

Consider the following reactants.  This is an example of a Heck reaction.

Accepted Answer

A) True 
 B)False

Question 16

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) A) and B)
F) A) and C)

Question 17

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 18

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and C)
F) A) and B)

Question 19

What is the major organic product of the following sequence of reactions?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) All of the above
F) A) and D)

Question 20

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) None of the above
F) B) and D)

Exam 24: Catalytic Carbon-Carbon Bond Formation

Consider the following reactants. This is an example of a Heck reaction.

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

What is the major organic product of the following sequence of reactions?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

Which diene can be used to prepare the following product by alkene metathesis?

Correct AnswerverifiedShow Answer

Which of the following is the least reactive dienophile?

Correct AnswerverifiedShow Answer

The intermediate in a Heck reaction can be described as a tetrahedral Pd(II) species.

Correct AnswerverifiedShow Answer

Use the reaction types given below in answering the following questions relating to reaction conditions. -______involves an interchange of alkenyl groups.

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

Which term describes the following mechanistic step in the catalytic cycle of the Heck reaction?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

Use the reaction types given below in answering the following questions relating to reaction conditions. -______involves the use of organoboron compounds.

Correct AnswerverifiedShow Answer

The following polymer segment can be produced using an olefinic metathesis reaction. To produce the polymer, the reaction is repeated many times. The name of the reactant is__________.

Correct AnswerverifiedShow Answer

Which of the following is not a pericyclic reaction?

Correct AnswerverifiedShow Answer

Which of the following compounds is the most reactive dienophile?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

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