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Do you expect pyridine to undergo nucleophilic substitution reactions? If yes,on what position would the substitution occur? Give an example. Do you expect pyridine to undergo nucleophilic substitution reactions? If yes,on what position would the substitution occur? Give an example.

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Pyridine is more reactive than...

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Provide a structural representation of oxetane.

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What is the systematic name of the following compound? What is the systematic name of the following compound? A) 1-azabicyclo[2.2.2]heptane B) 2-azatricyclo[2.2.2]heptane C) 2-azabicyclo[2.2.2]octane D) 2-azabicyclo[2.2.2]heptane E) 2-azabicyclo[2.2.0]octane


A) 1-azabicyclo[2.2.2]heptane
B) 2-azatricyclo[2.2.2]heptane
C) 2-azabicyclo[2.2.2]octane
D) 2-azabicyclo[2.2.2]heptane
E) 2-azabicyclo[2.2.0]octane

F) C) and D)
G) A) and D)

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Which of the following heterocyclics has the lowest pKa value? Which of the following heterocyclics has the lowest pKa value? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

F) C) and D)
G) B) and E)

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Which of the following is a tertiary amine? Which of the following is a tertiary amine? A) I B) II C) III D) IV E) all of the above


A) I
B) II
C) III
D) IV
E) all of the above

F) A) and B)
G) B) and D)

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Do you expect pyridine to undergo electrophilic substitution reactions? Give an example. Do you expect pyridine to undergo electrophilic substitution reactions? Give an example.

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Pyridine is very unreactive towards elec...

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When benzofuran is treated with acetic anhydride,the major organic product is


A) 2-acetylbenzofuran.
B) 3-acetylbenzofuran.
C) 4-acetylbenzofuran.
D) 5-acetylbenzofuran.
E) 7-acetylbenzofuran.

F) B) and D)
G) C) and E)

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What is the major product of the following reaction? What is the major product of the following reaction? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

F) B) and E)
G) A) and E)

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C

Which of the following amino acids contain a heterocyclic ring?


A) tryptophan
B) proline
C) histidine
D) alanine
E) tryptophan,proline and histidine

F) B) and D)
G) C) and D)

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Give the major product for the following reaction. Give the major product for the following reaction. A) B) C) D) E)


A) Give the major product for the following reaction. A) B) C) D) E)
B) Give the major product for the following reaction. A) B) C) D) E)
C) Give the major product for the following reaction. A) B) C) D) E)
D) Give the major product for the following reaction. A) B) C) D) E)
E) Give the major product for the following reaction. A) B) C) D) E)

F) All of the above
G) A) and E)

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What is the major alkene formed in the following Hofmann elimination? What is the major alkene formed in the following Hofmann elimination? A) CH<sub>3</sub>CH CH<sub>2</sub> B) C) CH<sub>3</sub>CH<sub>2</sub>CH CH<sub>2</sub> D) E)


A) CH3CH What is the major alkene formed in the following Hofmann elimination? A) CH<sub>3</sub>CH CH<sub>2</sub> B) C) CH<sub>3</sub>CH<sub>2</sub>CH CH<sub>2</sub> D) E) CH2
B) What is the major alkene formed in the following Hofmann elimination? A) CH<sub>3</sub>CH CH<sub>2</sub> B) C) CH<sub>3</sub>CH<sub>2</sub>CH CH<sub>2</sub> D) E)
C) CH3CH2CH What is the major alkene formed in the following Hofmann elimination? A) CH<sub>3</sub>CH CH<sub>2</sub> B) C) CH<sub>3</sub>CH<sub>2</sub>CH CH<sub>2</sub> D) E) CH2
D) What is the major alkene formed in the following Hofmann elimination? A) CH<sub>3</sub>CH CH<sub>2</sub> B) C) CH<sub>3</sub>CH<sub>2</sub>CH CH<sub>2</sub> D) E)
E) What is the major alkene formed in the following Hofmann elimination? A) CH<sub>3</sub>CH CH<sub>2</sub> B) C) CH<sub>3</sub>CH<sub>2</sub>CH CH<sub>2</sub> D) E)

F) B) and C)
G) B) and D)

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What is the systematic name for the following compound? What is the systematic name for the following compound? A) aziridine B) oxetane C) oxirane D) azetidine E) thiirane


A) aziridine
B) oxetane
C) oxirane
D) azetidine
E) thiirane

F) B) and E)
G) All of the above

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Which of the following is the best method for preparing the following compound? Which of the following is the best method for preparing the following compound? A) I B) II C) III D) IV E) V Which of the following is the best method for preparing the following compound? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

F) B) and E)
G) B) and C)

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What is the major product of the following reaction? What is the major product of the following reaction? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

F) C) and E)
G) B) and D)

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What are the products of the following reaction? What are the products of the following reaction? A) I and II B) I and III C) II and IV D) II and III E) III and IV


A) I and II
B) I and III
C) II and IV
D) II and III
E) III and IV

F) A) and C)
G) A) and B)

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Give all organic products for the following reaction.Label the major and minor products. Give all organic products for the following reaction.Label the major and minor products.

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Provide the major organic product(s)of the reaction below. Provide the major organic product(s)of the reaction below.

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What is the major product of the following reaction? What is the major product of the following reaction? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

F) B) and E)
G) A) and C)

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What is the major product of the following reaction? What is the major product of the following reaction? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

F) A) and B)
G) A) and C)

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Provide the major organic product(s)of the reaction below. Provide the major organic product(s)of the reaction below.

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