in tetrahydrofuran addn. of suspn. of LiCp* and LiP5 to boiling soln. of FeCl2 (inert atmosphere), stirring (1 h), solvent removal (room temp., vacuum); extraction (CH2Cl2), recrystn. of (C5Me5)FeP50 (n-pentane); (31)P-NMR, MS;