The Perkin Reaction ·
Aldehyde + Anhydride → Cinnamic Acid
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.com · PhCHO + Ac₂O + NaOAc → (E)-PhCH=CHCOOH · W. H. Perkin 1868
Stage
reactants
New C=C
none
Step
reactants assembled
Aromatic ring (benzaldehyde)
Anhydride carbon skeleton
Oxygen (carbonyl / acetoxy)
New C–C / C=C bond
Acetate base (⁻OAc)
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.com · The Perkin Reaction