[rhodium(I)(carbonyl)2(acetylacetonate)]; hydrogen; (R,S)-Binaphos in benzene T=40°C; P=76000 Torr; 20 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

in tetrahydrofuran; water 3 h; Ambient temperature;

1.1: toluene-4-sulfonic acid / benzene / 5 h / Reflux 2.1: bis(acetylacetonate)oxovanadium; dihydrogen peroxide; (S)-(-)-2-(N-3,5-diiodosalicyliden)amino-3,3-dimethyl-1-butanol / chloroform; water / 20 h / 2 - 20 °C 3.1: N-chloro-succinimide; potassium carbonate / dichloromethane / 240 h / 20 °C 4.1: sodium hexamethyldisilazane / tetrahydrofuran / 0.08 h / -78 °C / Inert atmosphere 4.2: 0.03 h / Inert atmosphere 5.1: phenyllithium / tetrahydrofuran / 3 h / -78 - 20 °C / Inert atmosphere 6.1: hexaammonium heptamolybdate tetrahydrate; dihydrogen peroxide / ethanol; water / 24 h / 20 °C View Scheme

sodium tetrahydroborate in tetrahydrofuran; methanol T=0°C; 0.5 h; Inert atmosphere;