rhodium(I)-sulfonated-(-)-(2S,4S)-2,4-bis(diphenylphosphino)pentane; hydrogen in water; ethyl acetate T=20°C; P=52504.2 Torr; 6 h; Title compound not separated from byproducts;

1: toluene / 24 h / 20 °C / |Inert atmosphere; |Molecular sieve 2: benzo[1,3,2]dioxaborole; 1,1,1-trifluoro-N-(4-oxido-2,6-bis(2,4,6-triisopropylphenyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)methanesulfonamide / pentane / 24 h / -78 - -22 °C / |Inert atmosphere; |Schlenk technique View Scheme