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Chemistry LibreTexts

Chapter 23q: Practice Quiz

  • Page ID
    211564
  • Exercise \(\PageIndex{1}\)

    Determine which enolate will form and label it as the kinetic or thermodynamic enolate.

    23 quiz 1.png

    Answer

    23 quiz 1 answer.png

    This is the thermodynamic enolate. Higher temperatures and reversible conditions lead to the more stable enolate.

    Exercise \(\PageIndex{2}\)

    Determine which enolate will form and label it as the kinetic or thermodynamic enolate.

    23 quiz 2.png

    Answer

    23 quiz 2 answer.png

    This is the kinetic enolate. Lower temperatures and strong hindered bases lead to the less substituted enolate.

    Exercise \(\PageIndex{3}\)

    Draw a reasonable mechanism for formation of the enolate, followed by reaction with bromoethane

    23 quiz 3.png

    Answer

    23 quiz 3 answer.png

    Exercise \(\PageIndex{4}\)

    Draw a reasonable mechanism for formation of the enolate, followed by reaction with bromoethane

    23 quiz b.png

    Answer

    23 quiz d answer.png

    Exercise \(\PageIndex{5}\)

    Write out a reasonable synthesis for the following transformation

    23 quiz e.png

    Answer

    23 quiz e answer.png

    Contributors

    • Layne Morsch (University of Illinois Springfield)

     

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