1: diethylzinc; (Z)-1-Iodo-non-4-ene With copper(l) iodide T=60°C; 16 h; 2: 1-tetrahydropyranyloxy-9-iodo-2-nonyne With N,N'-dimethyl-N,N'-propyleneurea; Me2Cu(CN)(MgCl)2 in tetrahydrofuran T=-78 - 0°C; Further stages. Title compound not separated from byproducts.;