Introduction to Organic Chemistry
Acidity and Basicity in Organic Compounds
The pH of an organic solution is determined by the molecule's ability to donate or accept protons, which dictates transport across membranes.
Ionization Factors
- Stronger acids readily donate protons, existing primarily in an ionized state.
- Ionization impacts lipid solubility: ionized forms do not cross the blood-brain barrier easily.
- Henderson-Hasselbalch equation describes the relationship between pH and the ratio of ionized to unionized drug forms.
Clinical Application
- Manipulating urinary pH can promote the excretion of drugs by changing their ionization state (e.g., salicylate poisoning).
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