1: iodobenzene; 2-methyl-but-3-yn-2-ol With copper(l) iodide; diisopropylamine; bis-triphenylphosphine-palladium(II) chloride T=80°C; Sonogashira coupling; 2: O-triisopropylsilyl-2-iodophenol With potassium hydroxide; copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride T=80°C; Sonogashira coupling; 3: With tetrabutyl ammonium fluoride in tetrahydrofuran T=80°C; Further stages.;

1: iodobenzene; trimethylsilylacetylene With copper(l) iodide; diisopropylamine; bis-triphenylphosphine-palladium(II) chloride T=80°C; Sonogashira coupling; 2: O-triisopropylsilyl-2-iodophenol With copper(l) iodide; tetrabutyl ammonium fluoride; bis-triphenylphosphine-palladium(II) chloride T=80°C; Sonogashira coupling; Further stages.;