• acetylide anion
• alkylation
• alkyne
• enol
• Lindlar Catalyst
• retrosynthetic
• tautomer

Summary of Reactions

No stereochemistry is implied unless specifically indicated with wedged, solid, and dashed lines.

• Preparation of alkynes
  • Dehydrohalogenation of vicinal dihalides (Section 9.2)

• • Alkylation of acetylide anions (Section 9.8)

• Reactions of alkynes
  • Addition of HCl and HBr (Section 9.3)

• • Addition of Cl₂ and Br₂ (Section 9.3)

• Hydration (Section 9.4)
  • Mercuric sulfate catalyzed

• • Hydroboration–oxidation

• Reduction (Section 9.5)
  • Catalytic hydrogenation

• • Lithium in liquid ammonia

• Conversion into acetylide anions (Section 9.7)