Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 15, Problem 15.46P

15-46 Consider Lunesta, a nonbenzodiazepine hypnotic agent (i.e., sleep-inducing drug) that is frequently advertised on TV commercials. Answer the following questions with respect to the given structure:

Chapter 15, Problem 15.46P, 15-46 Consider Lunesta, a nonbenzodiazepine hypnotic agent (i.e., sleep-inducing drug) that is , example  1

Lunesta

  1. Determine the molecular formula for Lunesta.

  • Identify the functional groups present in Lunesta.
  • How many of Lunesta’s rings are aromatic?
  • Fill in the blanks as shown: Lunesta has
  • stereocenter(s) and therefore

    possible stereoisomer(s). Of the possible

    stereocenter(s),

    is/are R and

    is/are S.

    1. Does Lunesta have an enantiomer? Does it have a diastereomer?
    2. Which of the following is true about an enantiomer of Lunesta? Identify all that apply:

  • The enantiomer rotates plane-polarized light in the opposite direction as Lunesta.
  • The enantiomer is a mirror image of Lunesta.
  • The enantiomer has the opposite biological effects as Lunesta (i.e., it keeps you awake).
  • Lunesta does not have an enantiomer.
  • Draw an enantiomer of Lunesta.

    Examine the derivative of the representation of the six-membered ring found in Lunesta. Draw the alternative chair conformations of this ring and label the more stable chair conformation. (Chapter 11)

    Chapter 15, Problem 15.46P, 15-46 Consider Lunesta, a nonbenzodiazepine hypnotic agent (i.e., sleep-inducing drug) that is , example  2

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