rhodium cation T=100°C; 4 h;

1: Methyltriphenylphosphonium bromide With n-butyllithium in tetrahydrofuran; hexane T=0 - 20°C; Wittig Olefination; 0.5 h; Inert atmosphere; 2: 2-decylcyclopropanecarbaldehyde in tetrahydrofuran; hexane T=20°C; Wittig Olefination; 24 h; Inert atmosphere;