in THF-d8 (tetrahydrofuran-d8) N2 or H2 atmosphere, sealed tube; 70°C (2 h); reaction followed by (31)P NMR spectroscopy;

in benzene stirring RhH3(tripod) and Zn(N(SiMe3)2)2 (2:1 molar ratio) in soln. at 25 °C for 48 h (pptn. of yellow powder) ; all operations under N2; rerystn. by slow vapor diffusion of hexane into toluene soln.;

in toluene addn. of Zn(N(SiMe3)2)2 to suspension of RhH(tripod), stirring for 1 h at 25 °C (gave yellow soln.) ; all operations under N2; filtration, reduction of volume, cooling overnight (crystals formed);

in benzene refluxing with excess DMFU; elem. anal.;

With  H2 in  tetrahydrofuran  H2 was bubbled through a THF soln. of Rh-complex;