in dichloromethane byproducts: (SCH2C(CH3)3)2; N2, Fe:Au=1:2 molar ratio, Fe compd. added to a soln. of Au compd., stirred for 30 min; solvent evapd. (vac.), residue washed (pentane, benzene), recrystd. (CH2Cl2/hexane), hydrocarbons phases evapd. to dryness, ferrocene sublimied (40°C, high vac.); elem. anal.;