Pharmaceutical Chemistry Learning Objectives
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Questions and Answers

Which factor is NOT considered when designing chemical isosteres?

  • Hydrogen bonding
  • Molecular weight
  • Charge
  • Size (correct)

What purpose can the isosteric replacement of functional groups serve?

  • Reduce duration of action
  • Enhance side effects
  • Decrease specificity
  • Increase potency (correct)

Which compound is mentioned as an example of bioisosteres in the text?

  • Procainamide (correct)
  • Alloxanthine
  • Procaine
  • Xanthine

What effect does isosteric replacement have on the duration of action of a compound?

<p>Prolong duration of action (B)</p> Signup and view all the answers

Which compound acts as an inhibitor of xanthine oxidase and is an isostere of xanthine?

<p>Alloxanthine (A)</p> Signup and view all the answers

How does alloxanthine act in relation to xanthine according to the text?

<p>Antagonistically (A)</p> Signup and view all the answers

What is the main focus of Pharmaceutical Chemistry?

<p>Developing new drug formulations (B)</p> Signup and view all the answers

What does the term 'Structure-Activity Relationship' refer to in Pharmaceutical Chemistry?

<p>The relationship between molecular structure and biological activity (C)</p> Signup and view all the answers

Which functional group in drugs plays a role in muscle relaxant activity?

<p>Tertiary amine groups (A)</p> Signup and view all the answers

What is the key aspect to consider in pharmaceutical applications related to stereochemistry?

<p>Biological activity differences between enantiomers (B)</p> Signup and view all the answers

Which concept focuses on the relationship between molecular structure and biological activity of drugs?

<p>Structure-Activity Relationship (D)</p> Signup and view all the answers

In Pharmaceutical Chemistry, what does the term 'Epimers' refer to?

<p>Stereoisomers that differ at one chiral center (B)</p> Signup and view all the answers

What does the Partition Coefficient (P) in Pharmaceutical Chemistry represent?

<p>The ratio of solubility in an organic solvent to solubility in an aqueous environment (A)</p> Signup and view all the answers

What is the main characteristic of Inorganic salts in pharmaceutical applications?

<p>Increased water solubility compared to the parent molecule (C)</p> Signup and view all the answers

Which rule is also known as Pfizer’s Rule of Five and is used to evaluate drug-likeness?

<p>E.Lipinski’s Rule of Five (B)</p> Signup and view all the answers

In what form are Organic salts made in pharmaceutical chemistry?

<p>By combining two drug molecules, one acidic and one basic (C)</p> Signup and view all the answers

What is the purpose of using Inorganic salts in pharmaceutical formulations?

<p>To improve oral bioavailability (C)</p> Signup and view all the answers

Which class of salts has increased lipid solubility and is generally used for depot injections?

<p>Organic salts (B)</p> Signup and view all the answers

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