Kolbe-Schmitt · Phenoxide + CO₂ → Salicylic Acid
unseel.com · sodium → ortho · the aspirin route
Ring state phenoxide
C-C bonds made 0
Stage reagents assembled
Aromatic ring C
Oxygen (phenoxide / C=O)
Na⁺ template cation
CO₂ carbon (electrophile)
New carboxylate -COO⁻
Unseel.com · Kolbe-Schmitt Reaction