Chapter 5: Q.50 (page 208)
Draw the structure of (S)-citalopram, a drug used to treat depression and anxiety that is much more potent than its R enantiomer.
citalopram
Short Answer
The structure of the (S)-citalopram is as follows:
Chapter 5: Q.50 (page 208)
Draw the structure of (S)-citalopram, a drug used to treat depression and anxiety that is much more potent than its R enantiomer.
citalopram
The structure of the (S)-citalopram is as follows:
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Get started for freeThe amino acid (S)-alanine has the physical characteristics listed under the structure.
a. What is the melting point of (R)-alanine?
b. How does the melting point of a racemic mixture of (R)- and (S)-alanine compare to the melting point of (S)-alanine?
c. What is the specific rotation of (R)-alanine, recorded under the same conditions as the reported rotation of (S)-alanine?
d. What is the optical rotation of a racemic mixture of (R)- and (S)-alanine?
e. Label each of the following as optically active or inactive: a solution of pure (S)-alanine; an equal mixture of (R)- and (S)-alanine; a solution that contains 75% (S)- and 25% (R)-alanine.
Like carvone, the two enantiomers of celery ketone smell differently. The R enantiomer smells like celery leaves, whereas the S enantiomer smells like licorice. Draw each enantiomer and assign its odor.
What is the maximum number of stereoisomers possible for each compound?
a.
b.
c.
Artemisinin and mefloquine are widely used antimalarial drugs. A ball-and-stick model of artemisinin appears on the cover of this text.
How is each compound related to the simple sugar D-erythrose? Is it an enantiomer,diastereomer, or identical?
a.
b.
c.
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