Hantzsch Synthesis · One Pot, One Ring
unseel.com · RCHO + 2 β-ketoester + NH₃ → 1,4-DHP · Nifedipine
Bonds formed 0
H₂O lost 0
Stage four fragments in the flask
Aldehyde carbon (→ C4)
β-ketoester (×2)
Ammonia N (→ N1)
Oxygen / carbonyl
New bond / product
Unseel.com · Hantzsch Synthesis