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Chapter 10: Alkynes – Properties, Nomenclature, Reactions, and Synthesis

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Stability of Alkenes

  • Heat of Combustion
    02:55
  • Understanding trends of alkene stability.
    04:28

Alkynide Synthesis

  • Understanding how to convert terminal alkynes to alkynides.
    04:19
  • Using double dehydrohalogenation to perform alkynide synthesis.
    02:57
  • The mechanism of alkynide synthesis.
    03:48

Alkyne Hydrohalogenation

  • Double hydrohalogenation of alkynes.
    02:20
  • General properties of double addition reactions to alkynes.
    01:01

Alkyne Halogenation

  • Double halogenation of alkynes.
    02:15

Alkyne Hydration

  • Vinyl alcohols yield tautomers.
    03:51
  • Markovnikov addition of alcohols yields ketones.
    03:29

Alkyne Hydroboration

  • Anti-Markovnikov addition of alcohols to terminal alkynes yields aldehydes
    02:43

Hydrogenation of Alkynes

  • Using Dissolving Metal Reduction or Lindlar’s Catalyst to turn alkynes to alkenes.
    06:08
  • Using Catalytic hydrogenation or Wilkinson’s Catalyst to turn alkynes to alkanes.
    03:46
  • The definition of hydrogenation.
    00:48

Overview of Chemical Reactions

  • Recognizing Substitution Reactions.
    01:34
  • Recognizing Acid-Base Reactions.
    02:43
  • Recognizing Elimination Reactions.
    00:40

Reaction Mechanism

  • How to tell if charged molecules will react as nucleophiles or electrophiles.
    02:39
  • Nucleophile or Electrophile
    01:49
  • How to tell if uncharged molecules will react as nucleophiles or electrophiles.
    02:48

Overview of Chemical Reactions

  • Recognizing Substitution Reactions.
    01:34
  • Recognizing Acid-Base Reactions.
    02:43
  • Recognizing Elimination Reactions.
    00:40