Coupling Reactions of ortho-Substituted Halobenzenes with Alkynes. The Synthesis of Phenylacetylenes and Symmetrical or Unsymmetrical 1,2-Diphenylacetylenes
Coupling Reactions of ortho-Substituted Halobenzenes with Alkynes. The Synthesis of Phenylacetylenes and Symmetrical or Unsymmetrical 1,2-Diphenylacetylenes