copper(l) iodide in tetrahydrofuran T=50°C; 4 h;

1: bromobenzene With iodine; magnesium in tetrahydrofuran T=50°C; 3 h; 2: (2E,6E)-3-methyl-7-((tetrahydro-2H-pyran-2-yloxy)methyl)octa-2,6-dien-1-ol With copper(l) iodide in tetrahydrofuran T=50°C; 4 h;