41+ Keto Enol Tautomerism In Acidic Conditions Pics. The existence of hydrogen atom at alpha carbon is necessary but not sufficient condition for enolization to occur. This organic chemistry video tutorial explains the concept of the keto enol taumerism / tautomerization process.
The enol serves as a weak nucleophile to attack an activated (protonated) carbonyl group.
The interconversion of the two forms involves the movement of a proton and the shifting of bonding. Because the presence of either acidic or basic conditions leads to tautomerism, there will be two different reaction mechanisms to consider—one for acidic conditions and one for basic conditions. Let's compare some resonance structures for an ester and a ketone and their corresponding enols. Covers the mechanism under acidic conditions.
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