in toluene Ar-atmosphere; dropwise addn. of Ir-complex soln. to equimolar amt. of phosphine soln. at 0°C, stirring (0°C, 1 h); pptn. on hexane addn. (0°C), filtration, washing (hexane), drying(vac.); further crop from mother liquor; elem. anal.;

in tetrahydrofuran under N2 atm. suspn. Ir and Au complexes in THF was stirred at room temp. for 6 h; soln. was concd., acetone was added and stirred for 10 min, ppt. was filtered and recrystd. from CHCl3-hexane;

in tetrahydrofuran under N2 atm. suspn. Ir and Au complexes in THF was stirred at room temp. for 6 h; soln. was concd., acetone was added and stirred for 10 min, ppt. was filtered and recrystd. from CHCl3-hexane;

ethanol in benzene Kinetics; complex soln. in C6H6 added to HSi(OC2H5)3/EtOH; not isolated, detected by IR;

in benzene 60°C; 1 h; isolated yield after recrystn.; monitored by (1)H-NMR;