hydrogen; lt;Rh((R)-cycphos)(NBD)gt;PF6 in ethyl acetate T=25°C; P=38000 Torr; effects of catalysts, pressure and solvents dependence of the optical yields;

hydrogen; Rh(I)-(S)-chairphos in methanol Ambient temperatureother catalyst; other solvents; influence on products' optical yields; Product distribution;

Rh(I) complex with (R,R)-1,2-bis(N-methyl(diphenylphosphino)amino)cyclohexane; hydrogen in ethanol P=760 Torr; Ambient temperature; Title compound not separated from byproducts;