carbon oxide sulfide in diethyl ether byproducts: 2(C10H8N2)Ni(SCO)*Ni(S2CO); Ar, excess SCO condensed to a suspn. of Ni-complex at room temp.; excess SCO removed in vac., filtered, destillativ extracted (mother liquor); elem. anal.;

carbon disulfide in diethyl ether Ar, CS2 diluted with ether added at room temp. under stirring to a suspn. of Ni-complex over 15 min; destillativ extracted (mother liquor then with THF);