(Triphenylphosphine)iron tetracarbonyl is a

coordination complex A coordination complex consists of a central atom or ion, which is usually metallic and is called the ''coordination centre'', and a surrounding array of bound molecules or ions, that are in turn known as ''ligands'' or complexing agents. Many ...

with the formula Fe(CO)₄(PPh₃) (Ph = C₆H₅). An off-white solid, this complex is derived from iron pentacarbonyl by replacement of one carbonyl ligand by

triphenylphosphine Triphenylphosphine (IUPAC name: triphenylphosphane) is a common organophosphorus compound with the formula P(C6H5)3 and often abbreviated to P Ph3 or Ph3P. It is widely used in the synthesis of organic and organometallic compounds. PPh3 exists a ...

(PPh₃).

Synthesis and use

The title complex can be prepared by reaction of iron pentacarbonyl or triiron dodecacarbonyl with triphenylphosphine: : The substitution is catalyzed by cobalt chloride. (Triphenylphosphine)iron tetracarbonyl is an intermediate in the synthesis of

bis(triphenylphosphine)iron tricarbonyl Tricarbonylbis(triphenylphosphine)iron(0) is a coordination complex with the formula Fe(CO)3(PPh3)2 (Ph = C6H5). A yellow solid, this complex is derived from iron pentacarbonyl by replacement of two carbonyl ligands by triphenylphosphine (PPh3 ...

. Both the mono- and bis(triphenylphosphine) complexes were originally employed in pioneering research on homogeneous catalysis by Walter Reppe.

References

{{DEFAULTSORT:Triphenylphosphine iron_tetracarbonyl Triphenylphosphine complexes Coordination complexes Carbonyl complexes Iron compounds