Bioprecursor Prodrugs: Activation Mechanisms and Examples
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Questions and Answers

What type of activation reaction is mostly utilized by bioprecursor prodrugs?

  • Reductive
  • Oxidative (correct)
  • Protonation
  • Hydrolysis
  • What is the activation mechanism of PPIs, with omeprazole as an example?

  • Protonation (correct)
  • Reduction
  • Oxidation
  • Hydrolysis
  • What type of bond forms between omeprazole and the cysteine residue of H,K+-ATPase?

  • Hydrogen bond
  • Covalent bond (correct)
  • Ionic bond
  • Van der Waals bond
  • Which functional group of omeprazole becomes protonated inside the canaliculus of the cell?

    <p>Pyridine ring</p> Signup and view all the answers

    What type of reaction does unsubstituted isoxazoles undergo for activation?

    <p>Elimination</p> Signup and view all the answers

    What is the type of activation reaction mostly utilized by bioprecursor prodrugs?

    <p>Oxidative activation</p> Signup and view all the answers

    Which functional group of omeprazole becomes protonated inside the canaliculus of the cell?

    <p>Pyridine ring</p> Signup and view all the answers

    What type of bond forms between omeprazole and the cysteine residue of H,K+-ATPase?

    <p>Covalent bond</p> Signup and view all the answers

    What type of reaction does unsubstituted isoxazoles undergo for activation?

    <p>Elimination reaction</p> Signup and view all the answers

    What is the mechanism of activation of PPIs, with omeprazole as an example?

    <p>Protonation or Proton Activation</p> Signup and view all the answers

    What is the primary mechanism of activation for carrier-linked prodrugs?

    <p>Hydrolysis reactions</p> Signup and view all the answers

    Which group of drugs mostly utilize oxidative or reductive activation reactions for activation?

    <p>Bioprecursor prodrugs</p> Signup and view all the answers

    What type of activation reaction is involved in the transformation of omeprazole to its active form inside the canaliculus of the cell?

    <p>Protonation reaction</p> Signup and view all the answers

    Which functional group of omeprazole becomes protonated inside the canaliculus of the cell?

    <p>Pyridine ring</p> Signup and view all the answers

    What type of activation reaction is known to occur in unsubstituted isoxazoles like leflunomide?

    <p>Elimination reaction</p> Signup and view all the answers

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