in not given High Pressure; by a react. of Ru- and Fe-contg. compd. in the presence of CO (125°C, 20 bar, 3 h);

in ethanol byproducts: [RuCl3(CO)3][Fe(H2O)6], RuO2, [RuCl2(CO)3]2; High Pressure; by a react. of Ru-contg. compd. in ethanol soln. at high CO pressures (20 bar) in the presence of Fe alloy; heating under reflux overnight (17-20 h); after cooling in an ice bath the soln. was filtered and evapd. to dryness; crystals were sepd. mech.; elem. anal.;

in ethanol byproducts: [RuCl3(CO)3][Fe(H2O)6], RuO2, [RuCl2(CO)3]2; by a react. of Ru-contg. compd. in ethanol soln. at high CO pressure (20bar) in the presence of Fe plate; heating under reflux overnight (17-20 h); after cooling in an ice bath the soln. was filtered and evapd. to dryness; crystals were sepd. mech.; elem. anal.;