[RhCl(η2:η2-cycloocta-1,5-diene)]2; (2S,4S)-N-(methylcarbamoyl)-4-(dicyclohexylphosphino)-2-lt;(di-3,5-xylphosphino)methylgt;pyrrolidine; hydrogen; triethylamine in ethanol T=50°C; P=15200 Torr; 20 h; Title compound not separated from byproducts;

1: 73 percent / NaH / 1,2-dimethoxy-ethane / 2 h / Heating 2: H2, <Rh(COD)Cl>2, (2R,4R)-N-(methylcarbamoyl)-4-(dicyclohexylphosphino)-2-<(diphenylphosphino)methyl>pyrrolidine, p-toluenesulfonic acid, triethylamine / ethanol / 20 h / 50 °C / 15200 Torr View Scheme