How is 1,2,3,4,5-Cyclopentanepentayl, compd. with 1-(dicyclohexylphosphino)-2-[(1R)-1-(dicyclohexylphosphino)ethyl]-1,2,3,4,5-cyclopentanepentayl, iron salt (1:1:1) (CAS: 167416-28-6) typically synthesized?

This compound is typically synthesized using a multi-step process involving the reaction of iron(II) chloride with a cyclopentadiene derivative and a phosphine ligand. The synthesis requires mild conditions and is highly selective, yielding a product with a 90% to 95% yield under optimized conditions. It is crucial to use inert atmosphere and appropriate catalysts to achieve the desired product.