Elimination Equilibria

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Presentation transcript:

Elimination Equilibria

Effects of Conditions on Eliminations

Stereochemistry of Eliminations E1 – More stable alkene dominates E2 – Two β -hydrogens on the more substituted carbon - More stable alkene dominates E2 – One β-hydrogen on the more substituted carbon - anti-periplanar gives Z here

Elimination Reactions (I)

Elimination Reactions (II)

Competition Between Substitutions and Eliminations (I)

Competition Between Substitutions and Eliminations (II)

Mechanisms (I)

Mechanisms (II)

Synthesis