Vilsmeier-Haack · Formylate an Electron-Rich Arene
unseel.com · DMF + POCl₃ → Ar-CHO · 1927
Electrophile DMF (inert)
Step 0
Stage reagents assembled
Electron-rich arene (Ar)
DMF carbon / iminium C
DMF nitrogen (NMe₂)
Chloride (Cl) / POCl₃
Oxygen (aldehyde C=O)
Unseel.com · Vilsmeier-Haack