Question 1

Provide the reagent(s) required to complete the following transformation: 2/h  
u  C) Br2/ROOR D) HBr/ROOR E) h 
u  /NBS " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  HBr
B)  Br2/h  ν
uν 
C)  Br2/ROOR
D)  HBr/ROOR
E)  h ν
uν  /NBS

Question 2

Predict the reagent(s) required to complete the following transformation: 4;2) NaHSO3,H2O B) H2SO4,H2O,HgSO4 C) NaOH D) xs NaNH2 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)  NaOH
D)  xs NaNH2
E)  1) O3;2) DMS D

Question 3

Propose an efficient method of completing the following transformation:

Accepted Answer

The answer of Propose an efficient method of completing the...

Question 4

Predict the reagent(s) required to complete the following transformation: 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) DMS

Question 5

Predict the reagent(s) required to complete the following transformation: 4;2) NaHSO3,H2O B) H2SO4,H2O,HgSO4 C) NaOH D) xs NaNH2 E) 1) O3;2) H2O" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  1) OsO4;2) NaHSO3,H2O
B)  H2SO4,H2O,HgSO4
C)  NaOH
D)  xs NaNH2
E)  1) O3;2) H2O

Question 6

Which of the following provides an efficient method of converting 3-bromo-2-methyl-1-butene into 2-methyl-2-butene?

Accepted Answer

A)  1) NaOH;2) H2,Pt
B)  1) H2,Pt;2) NaOEt
C)  1) H2,Pt;2) xs NaNH2
D)  1) H2,Ni2B;2) KOtBu
E)  1) H2,Pt;2) KOtBu

Question 7

Propose an efficient method of completing the following transformation:

Accepted Answer

The answer of Propose an efficient method of completing the...

Question 8

Propose an efficient method of converting 3-methyl-2-butanol into 3-methyl-1-butanol.

Accepted Answer

The answer of Propose an efficient method of converting 3-methyl-2-butanol...

Question 9

Which sequence of reagents will accomplish the following transformation? 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-bromopropane

Question 10

Reaction of compound A (molecular formula = C12H22) with ozone followed by reaction with DMS produces only (CH3) 3CCH2CHO.Which of the following could be compound A?

Accepted Answer

A)  cis-2,3,7,8-tetramethyloct-4-ene
B)  trans-dodec-6-ene
C)  4,4-dimethylpent-1-ene
D)  cis-2,2,7,7-tetramethyloct-4-ene
E)  2,2-dimethyldec-4-ene D

Question 11

Which of the following sequences efficiently converts 2-methylpropene and sodium acetylide into 3-methylbutanal? 3;4) H2O B) 1) HBr;2) NaCCH;3) O3;4) DMS C) 1) HBr,ROOR;2) NaCCH;3) O3;4) H2O D) 1) HBr,ROOR;2) NaCCH;3) H2/Ni2B 3) O3;4) DMS E) 1) NaCCH;2) H2/Ni2B;3) O3;4) DMS" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  1) HBr;2) NaCCH;3) O3;4) H2O
B)  1) HBr;2) NaCCH;3) O3;4) DMS
C)  1) HBr,ROOR;2) NaCCH;3) O3;4) H2O
D)  1) HBr,ROOR;2) NaCCH;3) H2/Ni2B 3) O3;4) DMS
E)  1) NaCCH;2) H2/Ni2B;3) O3;4) DMS

Question 12

Predict the major product(s) for the following reaction:

Accepted Answer

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

Question 13

Which of the following sequences most efficiently converts 3-methyl-1-pentene into 3-bromo-3-methylpentane?

Accepted Answer

A)  1) HBr;2) NaOH;3) HBr
B)  1) Br2,h ν
uν ;2) H2,Pt
C)  1) H2,Pt;2) Br2,h ν
uν 
D)  1) NBS,h ν
uν ;2) H2,Pt
E)  1) HBr,ROOR;2) NaOH;3) HBr

Question 14

Predict the reagent(s) required to complete the following transformation: 4;2) NaHSO3,H2O B) 1) Hg(OAc) 2,H2O;2) NaBH4 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)  1) Hg(OAc) 2,H2O;2) NaBH4
C)  H2,Pt
D)  1) 9-BBN;2) H2O2,NaOH
E)  1) O3;2) DMS

Question 15

Predict the major product(s) for the following reaction:

Accepted Answer

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

Question 16

Predict the reagent(s) required to complete the following transformation: 4;2) NaHSO3,H2O B) 1) Hg(OAc) 2,H2O;2) NaBH4 C) 1) RCO3H;2) H3O+ D) 1) BH3-THF;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)  1) Hg(OAc) 2,H2O;2) NaBH4
C)  1) RCO3H;2) H3O+
D)  1) BH3-THF;2) H2O2,NaOH
E)  1) O3;2) DMS

Question 17

Predict the reagent(s) required to complete the following transformation: 4;2) NaHSO3,H2O B) NaNH2 C) H2,Pt D) Na,NH3(l)  E) H2,Lindlar's catalyst" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  1) OsO4;2) NaHSO3,H2O
B)  NaNH2
C)  H2,Pt
D)  Na,NH3(l) 
E)  H2,Lindlar's catalyst

Question 18

Which order of alterations would most effectively transform trans-2-butene into 1-butene?

Accepted Answer

A)  convert to the dibromoalkane,then to the terminal alkyne,then to the terminal alkene
B)  convert to an alcohol,then to a terminal alkyne,finally to the terminal alkene
C)  convert to the terminal alkene in one step
D)  shorten the chain by two carbons,then add a two-carbon alkene to the end
E)  convert to an alkane,then to a terminal alkyne,and finally to a terminal alkene

Question 19

Predict the major product(s) for the following transformation:

Accepted Answer

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

Question 20

What is the minimum number of steps required to convert 2-methylpropane into 2-methylpropene?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5

Exam 12: Synthesis

Provide the reagent(s) required to complete the following transformation:

Correct AnswerverifiedShow Answer

Predict the reagent(s) required to complete the following transformation:

Correct AnswerverifiedD

Propose an efficient method of completing the following transformation:

Correct AnswerverifiedShow Answer

Predict the reagent(s) required to complete the following transformation:

Correct AnswerverifiedShow Answer

Predict the reagent(s) required to complete the following transformation:

Correct AnswerverifiedShow Answer

Which of the following provides an efficient method of converting 3-bromo-2-methyl-1-butene into 2-methyl-2-butene?

Correct AnswerverifiedShow Answer

Propose an efficient method of completing the following transformation:

Correct AnswerverifiedShow Answer

Propose an efficient method of converting 3-methyl-2-butanol into 3-methyl-1-butanol.

Correct Answerverified11eab5f2_2579_e5d7_a628_bb1356d22a63_TB3186_00

Which sequence of reagents will accomplish the following transformation?

Correct AnswerverifiedShow Answer

Reaction of compound A (molecular formula = C12H22) with ozone followed by reaction with DMS produces only (CH3) 3CCH2CHO.Which of the following could be compound A?

Correct AnswerverifiedD

Which of the following sequences efficiently converts 2-methylpropene and sodium acetylide into 3-methylbutanal?

Correct AnswerverifiedShow Answer

Predict the major product(s) for the following reaction:

Correct AnswerverifiedShow Answer

Which of the following sequences most efficiently converts 3-methyl-1-pentene into 3-bromo-3-methylpentane?

Correct AnswerverifiedShow Answer

Predict the reagent(s) required to complete the following transformation:

Correct AnswerverifiedShow Answer

Predict the major product(s) for the following reaction:

Correct AnswerverifiedShow Answer

Predict the reagent(s) required to complete the following transformation:

Correct AnswerverifiedShow Answer

Predict the reagent(s) required to complete the following transformation:

Correct AnswerverifiedShow Answer

Which order of alterations would most effectively transform trans-2-butene into 1-butene?

Correct AnswerverifiedShow Answer

Predict the major product(s) for the following transformation:

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What is the minimum number of steps required to convert 2-methylpropane into 2-methylpropene?

Correct AnswerverifiedShow Answer

Provide the reagent(s) required to complete the following transformation: $Provide the reagent(s) required to complete the following transformation: A) HBr B) Br<sub>2</sub>/h \nu C) Br<sub>2</sub>/ROOR D) HBr/ROOR E) h \nu /NBS$

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D

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11eab5f2_2579_e5d7_a628_bb1356d22a63_TB3186_00

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Reaction of compound A (molecular formula = C₁₂H₂₂) with ozone followed by reaction with DMS produces only (CH₃) ₃CCH₂CHO.Which of the following could be compound A?

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D

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