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22     Medicinal Chemistry Self Assessment
          3. Shown below is the structure of fluvastatin, an HMG-CoA reductase inhibitor used to lower plasma LDL levels.

          Fluvastatin contains two chiral centers, designated as A and B. Using the structure of fluvastatin and the Cahn-
                                                                 Medicinal Chemistry Self-Assessment Book: Batch Two
            3.  Shown below is the structure of fluvastatin, an HMG-CoA reductase inhibitor used to lower plasma
                                                                               Chapters 1.6 and 2.6
          Ingold-Prelog (CIP) system, determine the R/S configurations for each of its chiral centers.
                LDL levels. Fluvastatin contains two chiral centers, designated as 1 and 2. Using the structure of

                fluvastatin and the Cahn-Ingold-Prelog (CIP) system, determine the R/S configurations for each of its
                                               Revised structure reflects chiral carbons #1 and #2.
                chiral centers.

                                                         H O  1 A
                                                                  CO 2 H
                                                                2 OH
                                                                B
                                                                  H
                                                F                   CH 3
                                                                N
                                                                     CH 3




                                                          Fluvastatin
                                                         Fluvastatin

             4.  Shown below is the enantiomer of fluvastatin. Which of the following properties/actions would
                be expected to be identical for fluvastatin and its enantiomer and which would be expected to be
          4. Shown below is the enantiomer of fluvastatin. Which of the following properties/actions would be expected to
                different?
                a.  Hepatic metabolism
          be identical for fluvastatin and its enantiomer and which would be expected to be different?
                b.  Water solubility
                 a.  Hepatic metabolism
                c.  Adverse effect profile
                 b.  Water solubility
                d.  Active renal reabsorption by transport proteins

                e.  Potency (dosage given)
                f.  Percent ionization at a pH=7.4




















                                                        Enantiomer of
                                                         Fluvastatin




            Answers can be found in Section 2.6 [this will be linked to section 2.6 title]

            Note: The questions in this chapter are related to Chapter 7 in Harrold MW and Zavod RM, Basic Concepts in
            Medicinal Chemistry, American Society of Health-System Pharmacists, ©2013.

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