in benzene under N2 atm. mixt. Ru and Au complexes was heated in refluxed benzene; prep. TLC;

in ethanol N2 or argon atmosphere; addn. of (C5Me5RuCl2)n to mixt. of EtOH and PPh3, refluxing (24 h); cooling (-20°C), sepn. of ppt. (filtration off), washing (cold pentane), recrystn. (CH2Cl2/hexane);

triphenylphosphine in tetrahydrofuran under an inert atmosphere; a mixt. of the Ru-complex and the ligand in THF was stirred for 2 h; solvent was removed under vac., addn. of THF at -78°C, warmed to 40°C, filtered, reduction of vol., filtered, washed with hexane, dried under vac.; elem. anal.;

PPh3 in ethanol educts and PPh3 dissolved in ethanol, heated at reflux for 60 h, cooled; ppt. sepd. by filtration, washed with hexane and ether; elem. anal.;

NaOEt in ethanol (N2); refluxing RuCl3*xH2O and C5HMe5 in EtOH for 90 min, addn. of PPh3 and NaOEt in EtOH, further reflux (18 h); collection, washing (EtOH; hexane);

PPh3 in ethanol Ar atmosphere, 78°C, 14 h; cooling, washing of ppt. (pentane), drying (vacuum); elem. anal., product Ru-complex contaminated with 12 mol-percent PPh3; elem. anal.;

triphenylphosphine in tetrahydrofuran

in tetrahydrofuran inert atmosphere; excess of ligand, stirring for 2 h; evapn., addn. of hexane, filtration, crystn. on cooling (-78°C);

in dichloromethane-d2 N2, P compd. added to a soln. of Ru compd.; not isolated, detected by NMR;