Rosenmund Reduction ·
Stop at the Aldehyde
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.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)
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.com · Rosenmund Reduction