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Suggest a reasonable synthetic strategy to carry out the following transformation. Suggest a reasonable synthetic strategy to carry out the following transformation.

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Suggest a reasonable mechanism for the following reaction. Suggest a reasonable mechanism for the following reaction.

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The aldol condensation product formed from 3-pentanone in the presence of base has the IUPAC name:


A) 5-Ethyl-4-methyl-4-hepten-3-one
B) 5-Ethyl-4-methyl-5-hepten-3-one
C) 4-Methyl-4-nonen-3,7-dione
D) 3-Ethyl-4-methyl-3-hepten-5-one
E) 3-Ethyl-4-methyl-2-hepten-5-one

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What is the product of the Dieckmann condensation of this diester, What is the product of the Dieckmann condensation of this diester, A) I B) II C) III D) I and II E) I,II,and III


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

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Which reagents would be used in a Mannich reaction to synthesize Which reagents would be used in a Mannich reaction to synthesize A) I B) II C) III D) IV E) V


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

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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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-Consider the synthesis above in answering this question.What is compound A? A) Butanone B) Butanal C) Propanal D) 1-Butanol E) 2-Methylpropanal -Consider the synthesis above in answering this question.What is compound A?


A) Butanone
B) Butanal
C) Propanal
D) 1-Butanol
E) 2-Methylpropanal

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Which compound could be prepared using a Michael reaction? Which compound could be prepared using a Michael reaction? A) I B) II C) III D) IV E) V


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

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What product(s) result from the Claisen condensation carried out with an equimolar mixture of ethyl acetate and ethyl propanoate? What product(s) result from the Claisen condensation carried out with an equimolar mixture of ethyl acetate and ethyl propanoate? A) I B) II C) III D) IV E) All of these


A) I
B) II
C) III
D) IV
E) All of these

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The Claisen condensation produces which of these?


A) An ∞\infty -keto ester
B) A β\beta -keto ester
C) A β\beta -hydroxy ester
D) A β\beta -hydroxyaldehyde
E) A β\beta -diketone

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What starting compound(s) would you use in an aldol reaction to prepare as the major product: What starting compound(s) would you use in an aldol reaction to prepare as the major product: A) I B) II C) III D) IV E) V


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

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What starting compound(s) would you use in an aldol reaction to prepare What starting compound(s) would you use in an aldol reaction to prepare A) I B) II C) III D) IV E) V What starting compound(s) would you use in an aldol reaction to prepare A) I B) II C) III D) IV E) V


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

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What would be the final product of the following reaction sequence? What would be the final product of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)


A) C6H5CH2CH2CH2CH3
B)
What would be the final product of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)
C)
What would be the final product of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)
D)
What would be the final product of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)
E)
What would be the final product of the following reaction sequence? A) C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)

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Which of these compounds can react with 4-methylpentanal to afford good yields of the crossed aldol product?


A) 3-(4-Nitrophenyl) propanal
B) 2-Ethyl-2-methylheptanal
C) 2-(4-Nitrophenyl) propanal
D) 3-(4-Nitrophenyl) -2-butanone
E) None of the above compounds will give good yields of the crossed aldol product with 4-methylhexanal.

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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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In the aldol cyclization reaction of the following compound,predict the major product formed and explain your choice. In the aldol cyclization reaction of the following compound,predict the major product formed and explain your choice.

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Of the two possible products f...

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The reaction of diethyl hexanedioate with sodium ethoxide would give as the product: The reaction of diethyl hexanedioate with sodium ethoxide would give as the product: A) I B) II C) III D) IV E) V


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

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What is the expected product from the following reaction sequence? What is the expected product from the following reaction sequence? A) I B) II C) III D) IV E) V


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

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If butanal is added slowly to an aqueous solution of sodium hydroxide and 2,2-dimethylpropanal at 25 °\degree C,the principal product is which of these?


A)
If butanal is added slowly to an aqueous solution of sodium hydroxide and 2,2-dimethylpropanal at 25 \degree C,the principal product is which of these? A) B) C) D) E)
B)
If butanal is added slowly to an aqueous solution of sodium hydroxide and 2,2-dimethylpropanal at 25 \degree C,the principal product is which of these? A) B) C) D) E)
C)
If butanal is added slowly to an aqueous solution of sodium hydroxide and 2,2-dimethylpropanal at 25 \degree C,the principal product is which of these? A) B) C) D) E)
D)
If butanal is added slowly to an aqueous solution of sodium hydroxide and 2,2-dimethylpropanal at 25 \degree C,the principal product is which of these? A) B) C) D) E)
E)
If butanal is added slowly to an aqueous solution of sodium hydroxide and 2,2-dimethylpropanal at 25 \degree C,the principal product is which of these? A) B) C) D) 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

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