Benzoin Condensation ·
Umpolung of Two Aldehydes
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.com · 2 PhCHO → PhCH(OH)C(=O)Ph · acyl anion
Carbon C1
δ+ electrophile
C-C bonds
0
Stage
two aldehydes, no way to bond
Aldehyde carbon C=O
Catalyst (CN⁻ / NHC)
Oxygen
Nucleophilic carbon (δ−)
New C-C bond / benzoin
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.com · Benzoin Condensation