in diethyl ether (N2); Mn complex and Fe2(CO)9 were stirred in ether for 3 h at room temp., volatiles were removed in vac., residue was taken up in toluene; chromy. (Kieselgel); hexane: yellow band, contg. C5Me5Mn(CO)3 and Fe(CO)5, not sepd.; hexane/toluene 9:1: green band: Fe3(CO)12 and red band: Sn(Fe(CO94)4; hexane/toluene (8:2) fraction was evapd. in vac. and recrystd. from Me-cyclohexane; elem. anal.;

in diethyl ether (N2); Mn complex and Fe2(CO)9 were stirred in ether for 3 h at room temp., volatiles were removed in vac., residue was taken up in toluene; chromy. (Kieselgel); hexane: yellow band, contg. C5Me5Mn(CO)3 and Fe(CO)5, not sepd.; hexane/toluene 9:1: green band: Fe3(CO)12 and red band: Sn(Fe(CO94)4; hexane/toluene (8:2) fraction was evapd. in vac. and recrystd. from Me-cyclohexane; elem. anal.;