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How do the overall percent yields of the linear and convergent syntheses shown below compare? How do the overall percent yields of the linear and convergent syntheses shown below compare? A) The convergent synthesis has a higher overall percent yield than the linear synthesis. B) The linear synthesis has a higher overall percent yield than the convergent synthesis. C) Both synthetic schemes result in the same overall percent yield. D) It is not possible to determine how yields compare based on the information given. E) It depends on how many carbons are in each compound.


A) The convergent synthesis has a higher overall percent yield than the linear synthesis.
B) The linear synthesis has a higher overall percent yield than the convergent synthesis.
C) Both synthetic schemes result in the same overall percent yield.
D) It is not possible to determine how yields compare based on the information given.
E) It depends on how many carbons are in each compound.

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A

Choose the best reaction or sequence of reactions to carry out the following synthetic transformation. Choose the best reaction or sequence of reactions to carry out the following synthetic transformation. A) B) C) D) E)


A) Choose the best reaction or sequence of reactions to carry out the following synthetic transformation. A) B) C) D) E)
B) Choose the best reaction or sequence of reactions to carry out the following synthetic transformation. A) B) C) D) E)
C) Choose the best reaction or sequence of reactions to carry out the following synthetic transformation. A) B) C) D) E)
D) Choose the best reaction or sequence of reactions to carry out the following synthetic transformation. A) B) C) D) E)
E) Choose the best reaction or sequence of reactions to carry out the following synthetic transformation. A) B) C) D) E)

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Fill in the missing reagent to complete the following synthetic step. Fill in the missing reagent to complete the following synthetic step.

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Show how the following target could be synthesized using only compounds containing three or fewer carbon atoms as the sources of carbon. Show how the following target could be synthesized using only compounds containing three or fewer carbon atoms as the sources of carbon.

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Calculate the overall percent yield of the following synthetic sequence. Calculate the overall percent yield of the following synthetic sequence.

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The overall yield fo...

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Which of the following synthetic steps would not be classified as a functional group conversion?


A) Which of the following synthetic steps would not be classified as a functional group conversion? A) B) C) D) E)
B) Which of the following synthetic steps would not be classified as a functional group conversion? A) B) C) D) E)
C) Which of the following synthetic steps would not be classified as a functional group conversion? A) B) C) D) E)
D) Which of the following synthetic steps would not be classified as a functional group conversion? A) B) C) D) E)
E) Which of the following synthetic steps would not be classified as a functional group conversion? A) B) C) D) E)

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Determine an appropriate synthetic step that could be used to carry out the transform below in the forward direction. Determine an appropriate synthetic step that could be used to carry out the transform below in the forward direction.

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Design two different synthetic routes to produce the target compound shown.One route should start with epoxide and the other should start from a diene. Design two different synthetic routes to produce the target compound shown.One route should start with epoxide and the other should start from a diene.

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Fill in the missing reagents and intermediates in the synthetic sequence below. Fill in the missing reagents and intermediates in the synthetic sequence below.

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Show how to carry out the following synthesis. Show how to carry out the following synthesis.

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Propose a way to carry out the synthetic transformation shown below (may require more than one step). Propose a way to carry out the synthetic transformation shown below (may require more than one step).

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Two students need to carry out the synthetic step shown below.One plans to use ethanol as the solvent,while the other opts for methanol.Which is the better choice of solvent,and why? Two students need to carry out the synthetic step shown below.One plans to use ethanol as the solvent,while the other opts for methanol.Which is the better choice of solvent,and why?

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Ethanol is a better solvent choice in th...

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Determine the missing starting material for the following synthetic step. Determine the missing starting material for the following synthetic step. A) B) C) D) E)


A) Determine the missing starting material for the following synthetic step. A) B) C) D) E)
B) Determine the missing starting material for the following synthetic step. A) B) C) D) E)
C) Determine the missing starting material for the following synthetic step. A) B) C) D) E)
D) Determine the missing starting material for the following synthetic step. A) B) C) D) E)
E) Determine the missing starting material for the following synthetic step. A) B) C) D) E)

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Show how the following transform could be carried out in the forward direction. Show how the following transform could be carried out in the forward direction.

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Determine the necessary starting material to complete the step below. Determine the necessary starting material to complete the step below. A) B) C) D) E)


A) Determine the necessary starting material to complete the step below. A) B) C) D) E)
B) Determine the necessary starting material to complete the step below. A) B) C) D) E)
C) Determine the necessary starting material to complete the step below. A) B) C) D) E)
D) Determine the necessary starting material to complete the step below. A) B) C) D) E)
E) Determine the necessary starting material to complete the step below. A) B) C) D) E)

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Which of the following transforms would not be a viable synthesis in the forward direction?


A) Which of the following transforms would not be a viable synthesis in the forward direction? A) B) C) D) E)
B) Which of the following transforms would not be a viable synthesis in the forward direction? A) B) C) D) E)
C) Which of the following transforms would not be a viable synthesis in the forward direction? A) B) C) D) E)
D) Which of the following transforms would not be a viable synthesis in the forward direction? A) B) C) D) E)
E) Which of the following transforms would not be a viable synthesis in the forward direction? A) B) C) D) E)

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D

Fill in the missing precursor to complete the transform below. Fill in the missing precursor to complete the transform below. A) CH<sub>3</sub>Br B) CH<sub>3</sub>MgBr C) (CH<sub>3</sub>) <sub>3</sub>MgBr D) CH<sub>3</sub>CH<sub>2</sub>Br E) CH<sub>3</sub>CH<sub>2</sub>MgBr


A) CH3Br
B) CH3MgBr
C) (CH3) 3MgBr
D) CH3CH2Br
E) CH3CH2MgBr

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Determine the missing starting material that would exclusively yield the product shown below. Determine the missing starting material that would exclusively yield the product shown below. A) B) C) D) E)


A) Determine the missing starting material that would exclusively yield the product shown below. A) B) C) D) E)
B) Determine the missing starting material that would exclusively yield the product shown below. A) B) C) D) E)
C) Determine the missing starting material that would exclusively yield the product shown below. A) B) C) D) E)
D) Determine the missing starting material that would exclusively yield the product shown below. A) B) C) D) E)
E) Determine the missing starting material that would exclusively yield the product shown below. A) B) C) D) E)

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E

Supply the missing reagents necessary to complete the following sequence. Supply the missing reagents necessary to complete the following sequence.

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Which of the following would not alter the carbon skeleton of the starting material?


A) Which of the following would not alter the carbon skeleton of the starting material? A) B) C) D) E)
B) Which of the following would not alter the carbon skeleton of the starting material? A) B) C) D) E)
C) Which of the following would not alter the carbon skeleton of the starting material? A) B) C) D) E)
D) Which of the following would not alter the carbon skeleton of the starting material? A) B) C) D) E)
E) Which of the following would not alter the carbon skeleton of the starting material? A) B) C) D) E)

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