Question 1

Select the best reagents for the reaction below. 4; 2. NaHSO3, H2O B)  H2SO4, H2O, HgSO4 C)  H2, Pt D)  1. 9-BBN; 2. H2O2, NaOH E)  1. O3; 2. DMS" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1. OsO4; 2. NaHSO3, H2O
B)   H2SO4, H2O, HgSO4
C)   H2, Pt
D)   1. 9-BBN; 2. H2O2, NaOH
E)   1. O3; 2. DMSF) A) and E)
G) B) and E)

Question 2

Devise a synthetic route to convert 5-methyl-1-hexene into 5-methylhexanal.

Accepted Answer

The answer of Devise a synthetic route to convert 5-methyl-1-hexene...

Question 3

Which of the following sequences of reagents will move the alcohol functional group from the tertiary position of 1-methylcyclohexanol to a secondary position?

Accepted Answer

A)   1. KOtBu; 2. Hg(OAc) 2, H2O; 3. NaBH4
B)   1. TsCl, pyr; 2. KOtBu; 3. BH3-THF; 4. H2O2, NaOH
C)   1. H2SO4, heat; 2. BH3∙THF; 3. H2O2, NaOH
D)   1. TsCl, pyr; 2. NaOH; 3. BH3∙THF; 4. H2O2, NaOH
E)   C and D will both workF) A) and B)
G) A) and C)

Question 4

Which sequence of reagents will accomplish the following synthesis? 2; 2. 1-bromopropane C)  1. NaNH2; 2. 2-bromopropane D)  1. O3; 2. DMS E)  1. O3; 2. 1-bromopropane" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1. KOtBu; 2. 1-bromopropane
B)   1. NaNH2; 2. 1-bromopropane
C)   1. NaNH2; 2. 2-bromopropane
D)   1. O3; 2. DMS
E)   1. O3; 2. 1-bromopropaneF) A) and D)
G) A) and E)

Question 5

Perform a retrosynthetic analysis by working backwards two steps in the synthesis below. Identify possible combinations of A and B that can lead to the alkyne (C) .

Accepted Answer

A)   B = I and A = VI
B)   B = VI and A = I
C)   B = III and A = VII
D)   B = IV and A = VII
E)   B = VI and A = VIIIF) B) and C)
G) A) and B)

Question 6

Select the best reagents for the reaction below. 4; 2. NaHSO3, H2O B)  1. Hg(OAc) 2, H2O; 2. NaBH4 C)  1. RCO3H; 2. H3O+ D)  H2SO4, H2O E)  1. O3; 2. DMS" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1. OsO4; 2. NaHSO3, H2O
B)   1. Hg(OAc) 2, H2O; 2. NaBH4
C)   1. RCO3H; 2. H3O+
D)   H2SO4, H2O
E)   1. O3; 2. DMSF) B) and C)
G) All of the above

Exam 11: Synthesis

Which sequence of reagents will accomplish the following synthesis?

Correct Answer
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Perform a retrosynthetic analysis by working backwards two steps in the synthesis below. Identify possible combinations of A and B that can lead to the alkyne (C) .

Correct Answer
verified

Devise a synthetic route to convert 5-methyl-1-hexene into 5-methylhexanal.

Correct Answer
verified

Select the best reagents for the reaction below.

Correct Answer
verified

Which of the following sequences of reagents will move the alcohol functional group from the tertiary position of 1-methylcyclohexanol to a secondary position?

Correct Answer
verified

Select the best reagents for the reaction below.

Correct Answer
verified

Exam 11: Synthesis

Which sequence of reagents will accomplish the following synthesis?

Correct AnswerverifiedShow Answer

Perform a retrosynthetic analysis by working backwards two steps in the synthesis below. Identify possible combinations of A and B that can lead to the alkyne (C) .

Correct AnswerverifiedShow Answer

Devise a synthetic route to convert 5-methyl-1-hexene into 5-methylhexanal.

Correct AnswerverifiedShow Answer

Select the best reagents for the reaction below.

Correct AnswerverifiedShow Answer

Which of the following sequences of reagents will move the alcohol functional group from the tertiary position of 1-methylcyclohexanol to a secondary position?

Correct AnswerverifiedShow Answer

Select the best reagents for the reaction below.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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