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Exam 5: Stereoisomerism

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Question 71

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Draw the enantiomer of the following compound.

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Question 72

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Which of the following is a correct Fischer projection of the following compound?

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

E) A) and C)
F) C) and D)

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Question 73

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Identify the relationship between the following two structures.

If a sample of carvone gives a specific rotation of −60 and the specific rotation of (R)-carvone is −61, does the unknown sample primarily have the R or S absolute configuration?

What is the relationship between the following two compounds?

Shown below is the structure of Crestor (rosuvastatin), a medication used to reduce cholesterol. Is the highlighted alkene of rosuvastatin E, Z, or neither?

Stereoisomers that result from the hindered rotation of a single bond are called ___________.

Draw the enantiomer of the following compound.

Draw a diastereomer of the following compound.

Shown below is the structure of Crestor (rosuvastatin), a medication used to reduce cholesterol. Is the highlighted alkene of rosuvastatin cis, trans, or neither?

Is the following alkene E, Z, or neither?

Identify the relationship between the following two structures.

Shown below is the structure of the drug nicotine. Locate the chirality center(s) in the following compound.

What is the relationship between the two structures shown?

What is the percentage of the R enantiomer in a sample of limonene that has a specific rotation of −38, given that the specific rotation of (S)-limonene is −116?

Which of the following choices is a diastereomer of the first structure shown?

Which of the following is the correct IUPAC name of the following structure?

What is the percentage of the R enantiomer in a sample of carvone that has a specific rotation of 10, given that the specific rotation of (R) -carvone is −61?

Drawn below is the structure of Cymbalta (duloxetine), a medication used to manage depression. Assign the absolute configuration of the chirality center as R or S.

Is the following alkene cis, trans, or neither?