4-(N,N-dimethlyamino)pyridine; triethylamine in dichloromethane T=0 - 20°C; Inert atmosphere;

[{RuCl(μ-Cl)(η3:η3-(2,7-dimethylocta-2,6-diene-1,8-diyl))}2] in methanol T=80°C; 7 h; Inert atmosphereSealed tube; diastereoselective reaction;