Gattermann-Koch · Formylate an Arene with CO
unseel.com · C₆H₆ + CO + HCl → C₆H₅-CHO · 1897
Electrophile CO (inert)
Step 0
Stage reagents assembled
Benzene ring (C₆H₆)
Carbon monoxide (C≡O)
H⁺ from HCl
AlCl₃ / CuCl catalyst
Benzaldehyde (-CHO)
Unseel.com · Gattermann-Koch