Keto–Enol Tautomerism · The α-Proton Shuffle
unseel.com · keto ⇌ enol · proton C→O · double bond migrates
form Keto
enol ~6 ppm
α C–H pKa ~20
showing
carbon
oxygen
hydrogen
migrating α-proton
Unseel.com · Keto–Enol Tautomerism