1: With hydrogen; [rhodium(I)(carbonyl)2(acetylacetonate)]; C41H50O3P2 in toluene T=20°C; Hydroformylation Reaction; P=3750.38 Torr; 75 h; Inert atmosphereAutoclave; 2: With sodium tetrahydroborate 3: With hydrogenchloride in dichloromethane; water Product distribution / selectivity;