Miconazole

Chemical Structure / Formula of Miconazole

  • Formula: C₁₈H₁₄Cl₄N₂O
  • Structure: Imidazole antifungal with multiple chlorine substitutions.

Miconazole

Mechanism of Action

  • Inhibits ergosterol synthesis, disrupting fungal membrane stability.

Uses of Miconazole

  • Oral thrush, cutaneous fungal infections, vaginal candidiasis.

Side Effects

  • Skin irritation, burning, redness.

Synthesis of Miconazole

Synthesis of Miconazole

Structure-Activity Relationship (SAR) of Miconazole

Structural Feature SAR Insight
Imidazole ring Essential for antifungal activity; interacts with fungal cytochrome P450 enzyme, inhibiting lanosterol 14α-demethylase.
2,4-dichlorobenzyl group Increases lipophilicity, allowing better membrane penetration. Chlorine enhances potency.
Aromatic ring (phenyl) Enhances binding to fungal enzymes. Substitutions affect selectivity and potency.
Ether linkage (–O–CH₂–) Improves flexibility and spatial orientation for optimal enzyme interaction.
Bulky lipophilic side chains Improve activity but may affect selectivity and toxicity.

 

Click Here to Watch the Best Pharma Videos

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.