alkyne reactions (chapter 9) and conversion of bad LG to good LG (chapter 7)

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Chapter 7- alkyl halides, Chapter 9- alkynes

9 Terms

1
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Replace weak OH leaving group with HBr

  • 1 degree weak LG, SN2

  • 2 or 3 degree weak LG, SN1


<ul><li><p>1 degree weak LG, SN2</p></li><li><p>2 or 3 degree weak LG, SN1</p></li></ul><p></p>
2
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Replace weak OH leaving group with tosylate

Works for all rxn mechanisms E1/E2/SN1/SN2

<p>Works for all rxn mechanisms E1/E2/SN1/SN2</p>
3
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Replace weak 2 or 3 degree OH with alkene

Acid-catalyzed dehydration

  • Only works for E1 mechanism


<ul><li><p>Only works for E1 mechanism</p></li></ul><p></p>
4
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Alkyne reactions

To get from alkyne to alkene and maybe alkane

Acetylene is the simplest alkyne

5
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Acid catalyzed tautomerization

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6
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Base catalyzed tautomerization

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7
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8
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9
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