(CH3)3NO in dichloromethane byproducts: N(CH3)3, CO; (N2, Schlenk) a soln. of Os4(CO)14 in dry CH2Cl2 was stirred at room temp. while a soln. of (CH3)3NO in dry CH2Cl2 was added dropwise; evapd. to dryness, chromy. on silica gel column (hexane-CH2Cl2 50:50, 10-90), crystd. from dry CH2Cl2; elem. anal.;

in further solvent(s) High Pressure; pyrolysis in dry degassed C6F6; column chromy. on silica gel (hexanes-CH2Cl2 10:90);

 in  hexane  byproducts: Os4H4(CO)12; pyrolysis in hexane at 80°C for 20 h; recrystn. (CH2Cl2/hexane);