1: octa-7-en-2-yn-1-ol With sodium hydride in tetrahydrofuran; mineral oil T=0°C; 1.03333 h; Inert atmosphere; 2: propargyl bromide in tetrahydrofuran; toluene; mineral oil T=0 - 20°C; Inert atmosphere;

sodium amide; dimethyl sulfoxide 1.)liq. NH3, 1 h 2.) 5 h; Yield given. Multistep reaction;