sulfuric acid; oxygen; trans-dioxoruthenium(VI)tetramesitylporphyrin in benzene T=50°C; P=760 Torr; 27 h;

hydrogen; chiral phosphine-imidazolidine-based Ir(I) complex in dichloromethane T=20°C; P=37503.8 Torr; 4 h;

hydrogen; chiral [2-(Ph2PCH2)-imidazolidine]-based Ir(I) complex in dichloromethane T=20°C; P=3750.38 Torr; 8 h; Title compound not separated from byproducts.;