FcPPh2 reacts with silver salts yielding diamagnetic, silver-phosphine complexes.
FcPPh2 reacts with excess AgOTf, yielding a green, paramagnetic, FeIII complex.
Reaction of [(FcPPh2)3Ag][BF4] with traces of water yields FcP(OBF3)Ph2.
FcnPPh3–n (n = 1–3), react with S or Se yield ferrocenyl(phenyl)phosphine chalcogenides.
Reactions between FcPPh2 or FcP(S)Ph2 and bromine yield FcPPh2Br3.