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What would be the product,C,of the following reaction sequence? What would be the product,C,of the following reaction sequence? A) (CH<sub>3</sub>) <sub>3</sub>CCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OH B) C) D) E)


A) (CH3) 3CCH2CH2CH2OH
B)
What would be the product,C,of the following reaction sequence? A) (CH<sub>3</sub>) <sub>3</sub>CCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OH B) C) D) E)
C)
What would be the product,C,of the following reaction sequence? A) (CH<sub>3</sub>) <sub>3</sub>CCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OH B) C) D) E)
D)
What would be the product,C,of the following reaction sequence? A) (CH<sub>3</sub>) <sub>3</sub>CCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OH B) C) D) E)
E)
What would be the product,C,of the following reaction sequence? A) (CH<sub>3</sub>) <sub>3</sub>CCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OH B) C) D) E)

F) B) and C)
G) None of the above

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In the Claisen-Schmidt condensation of 1 mole of acetone with 2 moles 4-methyl benzaldehyde draw the possible products that form.

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What would be the major product,B,of the following reaction sequence? What would be the major product,B,of the following reaction sequence? A) I B) II C) III D) IV E) V


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

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

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What would be the major product of the following reaction? What would be 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) B) and E)

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The aldol cyclization of The aldol cyclization of produces which of these? A) I B) II C) III D) IV E) V produces which of these? The aldol cyclization of produces which of these? A) I B) II C) III D) IV E) V


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

F) None of the above
G) A) and B)

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Consider the synthesis below: What is compound X? Consider the synthesis below: What is compound X? A) O=C(OEt) <sub>2</sub> B) HCO<sub>2</sub>Et C) EtO-CO-CO-OEt D) CH<sub>3</sub>CO<sub>2</sub>Et E) BrCH<sub>2</sub>CO<sub>2</sub>Et


A) O=C(OEt) 2
B) HCO2Et
C) EtO-CO-CO-OEt
D) CH3CO2Et
E) BrCH2CO2Et

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

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What is the final product of the following reaction sequence? Give structural details of all significant intermediates. What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

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What would be the product,B,of the following reaction sequence? What would be the product,B,of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH=CHCO<sub>2</sub>H B) C) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H D) E)


A) C6H5CH=CHCO2H
B)
What would be the product,B,of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH=CHCO<sub>2</sub>H B) C) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H D) E)
C) C6H5CH2CH2CO2H
D)
What would be the product,B,of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH=CHCO<sub>2</sub>H B) C) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H D) E)
E)
What would be the product,B,of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH=CHCO<sub>2</sub>H B) C) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H D) E)

F) C) and D)
G) None of the above

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What is the product of the Dieckmann-like condensation of this ketoester, What is the product of the Dieckmann-like condensation of this ketoester, 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) A) and B)

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When When cyclizes in basic solution,which of these compounds will be formed? A) I B) II C) III D) IV E) V cyclizes in basic solution,which of these compounds will be formed? When cyclizes in basic solution,which of these compounds will be formed? A) I B) II C) III D) IV E) V


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

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

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Which of these combinations is not one which would result in the formation of essentially one Claisen condensation product when one compound is added slowly to the mixture of the other and the base employed?


A)
HCO2Et + CH3CH2CO2Et
B) PhCO2Et + CH3CO2Et
C) (CO2Et) 2 + PhCH2CO2Et
D) (CH3) 3CCO2Et + CH3CO2Et
E) PhCH2CO2Et + CH3CO2Et

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

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What is the final product of the following reaction sequence? Give structural details of all significant intermediates. What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

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Predict the product of the following reaction sequence. Predict the product of the following reaction sequence. 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 E)

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Predict the product from the following sequence: Predict the product from the following sequence: 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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What would be the product of the following reaction? What would be the product of the following reaction? A) B) CH<sub>3</sub>CH=CHCO<sub>2</sub>CN C) CH<sub>3</sub>CH=CHCN D) E)


A)
What would be the product of the following reaction? A) B) CH<sub>3</sub>CH=CHCO<sub>2</sub>CN C) CH<sub>3</sub>CH=CHCN D) E)
B) CH3CH=CHCO2CN
C) CH3CH=CHCN
D)
What would be the product of the following reaction? A) B) CH<sub>3</sub>CH=CHCO<sub>2</sub>CN C) CH<sub>3</sub>CH=CHCN D) E)
E)
What would be the product of the following reaction? A) B) CH<sub>3</sub>CH=CHCO<sub>2</sub>CN C) CH<sub>3</sub>CH=CHCN D) E)

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

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What would be the major product of the following reaction? What would be 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 E)
G) C) and D)

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An intramolecular Claisen condensation is known as a _____________.

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Dieckmann ...

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What product results from the intramolecular aldol reaction of 2,5-hexanedione? What product results from the intramolecular aldol reaction of 2,5-hexanedione? A) I B) II C) III D) IV E) V


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

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

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Predict what is likely to happen when ethyl 6-oxooctanoate is treated with NaOEt,followed by acid work-up.

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A cyclization similar to Dieck...

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The retro-aldol reaction of The retro-aldol reaction of gives: A) B) C) D) E) gives:


A)
The retro-aldol reaction of gives: A) B) C) D) E)
B)
The retro-aldol reaction of gives: A) B) C) D) E)
C)
The retro-aldol reaction of gives: A) B) C) D) E)
D)
The retro-aldol reaction of gives: A) B) C) D) E)
E)
The retro-aldol reaction of gives: A) B) C) D) E)

F) None of the above
G) A) and C)

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