This review is devoted to recent advances in mononuclear iron carbonyl coordination
chemistry starting from M+[EFe(CO)4]− complexes (E=H, RCO) easily obtained from
Fe(CO)5.
E=H. The reaction of K+[HFe(CO)4]− with phosphines, phosphites and phosphinites
(abbreviated ‘‘P’’) allows selective syntheses for a large range of (phosphane)iron carbonyl