Rosenmund Reduction · Stop at the Aldehyde
unseel.com · RC(=O)Cl → RCHO · poisoned Pd/BaSO₄
Product acyl chloride
Oxidation rung +3
Stage catalyst ready
Palladium surface
Acyl / R group
Carbonyl O
Chloride → HCl
Poison (quinoline-S)
Unseel.com · Rosenmund Reduction