in benzene Irradiation (UV/VIS); irradn. (λ > 400 nm); detd. by IR spectroscopy;

in benzene Irradiation (UV/VIS); irradn. (λ > 400 nm); detd. by IR spectroscopy;

in hexane byproducts: W(CO)6;

in further solvent(s) inert atmosphere; heating Os-complex with excess PMe3 (in p-xylene, closed vessel, 130°C, 6 h); solvent removal (vac.), sublimation off of mononuclear complexes (20-90°C, 9.8E-3 Torr) and/or chromy. (SiO2, hexane/CH2Cl2), recrystn. (hexane/CH2Cl2); elem. anal.;