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Select the best reagents for the reaction below. Select the best reagents for the reaction below. A) 1. OsO<sub>4</sub>; 2. NaHSO<sub>3</sub>, H<sub>2</sub>O B) NaNH<sub>2</sub> C) H<sub>2</sub>, Pt D) Na, NH<sub>3</sub>(l) E) H<sub>2</sub>, Lindlar's catalyst


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

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Devise a synthetic route to convert methylcyclobutane into cyclopentene. Devise a synthetic route to convert methylcyclobutane into cyclopentene.

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Propose a synthetic route to convert 3-methyl-2-butanol into 3-methyl-1-butanol.

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Which of the following effectively produces 4,4-dimethyl-2-pentyne? Which of the following effectively produces 4,4-dimethyl-2-pentyne? A) I, II, III, and IV B) II, III, and IV C) I, II, and III D) I, II, and IV E) I, III, and IV


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

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B

Devise a synthetic route of the diol shown below starting with 1,1,3,3-tetramethyl-2-ethylcyclohexane. Devise a synthetic route of the diol shown below starting with 1,1,3,3-tetramethyl-2-ethylcyclohexane.

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blured image_TB4454_00 Alternati...

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Taxol is found in the ______ tree


A) tea
B) Eucalyptus
C) sausage fruit
D) Baobab
E) Pacific yew

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Select the best reagents for the reaction below. Select the best reagents for the reaction below. A) 1. OsO<sub>4</sub>; 2. NaHSO<sub>3</sub>, H<sub>2</sub>O B) H<sub>2</sub>SO<sub>4</sub>, H<sub>2</sub>O, HgSO<sub>4</sub> C) NaOH D) excess NaNH<sub>2</sub> E) 1. O<sub>3</sub>; 2. DMS


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

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D

What is the minimum number of steps required to convert 2-methylpropane into 1-bromo-2-methyl-2-propanol?


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

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Select the best reagents for the reaction below. Select the best reagents for the reaction below. A) 1. OsO<sub>4</sub>; 2. NaHSO<sub>3</sub>, H<sub>2</sub>O B) 1. Hg(OAc) <sub>2</sub>, H<sub>2</sub>O; 2. NaBH<sub>4</sub> C) 1. RCO<sub>3</sub>H; 2. H<sub>3</sub>O<sup>+</sup> D) 1. BH<sub>3</sub>∙THF; 2. H<sub>2</sub>O<sub>2</sub>, NaOH E) 1. O<sub>3</sub>; 2. DMS


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

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Propose a multi-step synthetic sequence to accomplish the transformation below. Propose a multi-step synthetic sequence to accomplish the transformation below.

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1. Br2, h...

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Select the best reagents for the reaction below. Select the best reagents for the reaction below. A) 1. OsO<sub>4</sub>; 2. NaHSO<sub>3</sub>, H<sub>2</sub>O B) 1. Hg(OAc) <sub>2</sub>, H<sub>2</sub>O; 2. NaBH<sub>4</sub> C) 1. RCO<sub>3</sub>H; 2. H<sub>3</sub>O<sup>+</sup> D) H<sub>2</sub>SO<sub>4</sub>, H<sub>2</sub>O E) 1. O<sub>3</sub>; 2. DMS


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

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Propose a synthetic route for the following reaction. Propose a synthetic route for the following reaction.

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1. NaOEt
2...

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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 alkene (C) . 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 alkene (C) . A) B = I and A = IV B) B = II and A = VI C) B = III and A = I D) B = I and A = VI E) B = III and A = II 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 alkene (C) . A) B = I and A = IV B) B = II and A = VI C) B = III and A = I D) B = I and A = VI E) B = III and A = II 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 alkene (C) . A) B = I and A = IV B) B = II and A = VI C) B = III and A = I D) B = I and A = VI E) B = III and A = II


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

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Taxol is a powerful _____.


A) laxative
B) pain-killer
C) birth-control pill
D) anti-cancer drug
E) hallucinogen

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Devise a synthetic route for the following equation. Devise a synthetic route for the following equation.

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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 compound shown (C) . 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 compound shown (C) . A) B = I and A = VI B) B = V and A = II C) B = IV and A = VII D) B = I and A = III E) B = VIII and A = V 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 compound shown (C) . A) B = I and A = VI B) B = V and A = II C) B = IV and A = VII D) B = I and A = III E) B = VIII and A = V 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 compound shown (C) . A) B = I and A = VI B) B = V and A = II C) B = IV and A = VII D) B = I and A = III E) B = VIII and A = V


A) B = I and A = VI
B) B = V and A = II
C) B = IV and A = VII
D) B = I and A = III
E) B = VIII and A = V

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Devise a synthetic route to prepare 3-bromo-1-propanol from propene.

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Select the best reagents for the reaction below. Select the best reagents for the reaction below. A) 1. OsO<sub>4</sub>; 2. NaHSO<sub>3</sub>, H<sub>2</sub>O B) NaNH<sub>2</sub> C) H<sub>2</sub>, Pt D) Na, NH<sub>3</sub>(l) E) H<sub>2</sub>, Lindlar's catalyst


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

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Which of the following provides a synthetic route to convert 3-bromo-2-methyl-1-butene into 2-methyl-2-butene?


A) 1. NaOH; 2. H2, Pt
B) 1. H2, Pt; 2. NaOEt
C) 1. H2, Pt; 2. Br2
D) 1. H2, Ni2B; 2. KOtBu
E) 1. H2, Pt; 2. KOtBu

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Propose a synthetic route to convert 3-methyl-1-butanol into 3-methyl-2-butanol.

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