Download Keto Enol Tautomerism Mechanism Background. Protonation of enolate into oxygen leads to enol which is an unstable isomer of aldehyde or ketone and it quickly transforms into a carbonyl system, or simply it tautomerized. Keto‑enol tautomerism was first introduced in section 9.4, in the discussion of the hydration of alkynes.
Resonance requires that only electrons change positions. The keto and enol forms are said to be tautomers of each other. If not, give attention to the ensuing discussion.
I just drew arrows to show that the h shifts to the o
Resonance requires that only electrons change positions. Figure 4 an enediol rearrangement. The keto and enol forms are said to be tautomers of each other. Keto enol tautomerism acid and base reaction and mechanism.
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