1: nonylmagnesium chloride; N-(1-Phenylethyl)-2-methyleneaziridine With copper(l) iodide in tetrahydrofuran T=-30 - 20°C; 2: 3-cis-nonene-1-yl-p-toluenesulfonate in tetrahydrofuran T=40°C; 2 h; 3: With acetic acid in hexane T=20°C; 2 h; Further stages.;